forked from OSchip/llvm-project
738 lines
22 KiB
LLVM
738 lines
22 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
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; RUN: opt < %s -cost-model -analyze -cost-kind=code-size | \
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; RUN: FileCheck %s --check-prefixes=COMMON,CHECK-NO-SA
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; RUN: opt < %s -cost-model -analyze -cost-kind=code-size -mattr=+strict-align | \
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; RUN: FileCheck %s --check-prefixes=COMMON,CHECK-SA
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target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "thumbv7m-arm-unknown-eabi"
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;;;;;;;;;;;;
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; Align 1, 1
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;;;;;;;;;;;;
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define void @memcpy_1(i8* %d, i8* %s) {
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;
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; with/without strict-align:
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;
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; ldrb r1, [r1]
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; strb r1, [r0]
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;
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; COMMON-LABEL: 'memcpy_1'
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; COMMON-NEXT: Cost Model: Found an estimated cost of 2 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 1, i1 false)
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; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 1, i1 false)
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ret void
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}
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define void @memcpy_2(i8* %d, i8* %s) {
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;
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; no strict-align:
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;
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; ldrh r1, [r1]
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; strh r1, [r0]
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;
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; strict-align:
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;
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; ldrb r2, [r1]
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; ldrb r1, [r1, #1]
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; strb r1, [r0, #1]
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; strb r2, [r0]
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;
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; CHECK-NO-SA-LABEL: 'memcpy_2'
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; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 2 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 2, i1 false)
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; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-SA-LABEL: 'memcpy_2'
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; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 2, i1 false)
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; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 2, i1 false)
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ret void
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}
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define void @memcpy_3(i8* %d, i8* %s) {
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;
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; no strict-align:
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;
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; ldrb r2, [r1, #2]
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; strb r2, [r0, #2]
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; ldrh r1, [r1]
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; strh r1, [r0]
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;
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; strict-align:
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;
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; ldrb r2, [r1]
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; ldrb r3, [r1, #1]
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; ldrb r1, [r1, #2]
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; strb r1, [r0, #2]
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; strb r3, [r0, #1]
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; strb r2, [r0]
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;
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; CHECK-NO-SA-LABEL: 'memcpy_3'
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; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 3, i1 false)
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; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-SA-LABEL: 'memcpy_3'
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; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 6 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 3, i1 false)
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; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 3, i1 false)
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ret void
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}
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define void @memcpy_4(i8* %d, i8* %s) {
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;
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; no strict-align:
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;
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; ldr r1, [r1]
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; str r1, [r0]
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;
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; strict-align:
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;
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; ldrb.w r12, [r1]
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; ldrb r3, [r1, #1]
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; ldrb r2, [r1, #2]
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; ldrb r1, [r1, #3]
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; strb r1, [r0, #3]
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; strb r2, [r0, #2]
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; strb r3, [r0, #1]
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; strb.w r12, [r0]
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;
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; CHECK-NO-SA-LABEL: 'memcpy_4'
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; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 2 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 4, i1 false)
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; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-SA-LABEL: 'memcpy_4'
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; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 8 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 4, i1 false)
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; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 4, i1 false)
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ret void
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}
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define void @memcpy_8(i8* %d, i8* %s) {
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;
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; no strict-align:
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;
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; ldr r2, [r1]
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; ldr r1, [r1, #4]
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; str r1, [r0, #4]
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; str r2, [r0]
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;
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; strict-align:
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;
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; push {r7, lr}
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; movs r2, #8
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; bl __aeabi_memcpy
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; pop {r7, pc}
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;
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; COMMON-LABEL: 'memcpy_8'
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; COMMON-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 8, i1 false)
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; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 8, i1 false)
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ret void
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}
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define void @memcpy_16(i8* %d, i8* %s) {
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;
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; no strict-align:
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;
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; ldr.w r12, [r1]
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; ldr r3, [r1, #4]
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; ldr r2, [r1, #8]
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; ldr r1, [r1, #12]
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; str r1, [r0, #12]
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; str r2, [r0, #8]
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; str r3, [r0, #4]
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; str.w r12, [r0]
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;
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; strict-align:
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;
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; push {r7, lr}
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; movs r2, #8
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; bl __aeabi_memcpy
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; pop {r7, pc}
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;
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; CHECK-NO-SA-LABEL: 'memcpy_16'
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; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 8 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 16, i1 false)
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; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-SA-LABEL: 'memcpy_16'
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; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 16, i1 false)
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; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 16, i1 false)
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ret void
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}
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define void @memcpy_32(i8* %d, i8* %s, i32 %N) {
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;
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; with/without strict-align:
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;
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; movs r2, #32
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; bl __aeabi_memcpy
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;
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; COMMON-LABEL: 'memcpy_32'
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; COMMON-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 32, i1 false)
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; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 32, i1 false)
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ret void
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}
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define void @memcpy_N(i8* %d, i8* %s, i32 %N) {
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;
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; with/without strict-align:
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;
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; bl __aeabi_memcpy
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;
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; COMMON-LABEL: 'memcpy_N'
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; COMMON-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 %N, i1 false)
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; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 1 %s, i32 %N, i1 false)
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ret void
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}
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;;;;;;;;;;;;;
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; Align 2, 2
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;;;;;;;;;;;;;
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define void @memcpy_1_al2(i8* %d, i8* %s) {
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;
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; with/without strict-align:
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;
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; ldrb r1, [r1]
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; strb r1, [r0]
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;
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; COMMON-LABEL: 'memcpy_1_al2'
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; COMMON-NEXT: Cost Model: Found an estimated cost of 2 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 1, i1 false)
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; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 1, i1 false)
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ret void
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}
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define void @memcpy_2_al2(i8* %d, i8* %s) {
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;
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; with/without strict-align:
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;
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; ldrh r1, [r1]
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; strh r1, [r0]
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;
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; COMMON-LABEL: 'memcpy_2_al2'
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; COMMON-NEXT: Cost Model: Found an estimated cost of 2 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 2, i1 false)
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; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 2, i1 false)
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ret void
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}
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define void @memcpy_3_al2(i8* %d, i8* %s) {
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;
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; with/without strict-align:
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;
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; ldrb r2, [r1, #2]
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; strb r2, [r0, #2]
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; ldrh r1, [r1]
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; strh r1, [r0]
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;
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; COMMON-LABEL: 'memcpy_3_al2'
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; COMMON-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 3, i1 false)
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; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 3, i1 false)
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ret void
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}
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define void @memcpy_4_al2(i8* %d, i8* %s) {
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;
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; no strict-align:
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;
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; ldr r1, [r1]
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; str r1, [r0]
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;
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; strict-align:
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;
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; ldrh r2, [r1, #2]
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; strh r2, [r0, #2]
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; ldrh r1, [r1]
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; strh r1, [r0]
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;
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; CHECK-NO-SA-LABEL: 'memcpy_4_al2'
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; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 2 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 4, i1 false)
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; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-SA-LABEL: 'memcpy_4_al2'
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; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 4, i1 false)
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; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 4, i1 false)
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ret void
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}
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define void @memcpy_8_al2(i8* %d, i8* %s) {
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;
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; no strict-align:
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;
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; ldr r2, [r1]
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; ldr r1, [r1, #4]
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; str r1, [r0, #4]
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; str r2, [r0]
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;
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; strict-align:
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;
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; ldrh r2, [r1, #6]
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; strh r2, [r0, #6]
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; ldrh r2, [r1, #4]
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; strh r2, [r0, #4]
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; ldrh r2, [r1, #2]
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; strh r2, [r0, #2]
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; ldrh r1, [r1]
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; strh r1, [r0]
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;
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; CHECK-NO-SA-LABEL: 'memcpy_8_al2'
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; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 8, i1 false)
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; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-SA-LABEL: 'memcpy_8_al2'
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; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 8 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 8, i1 false)
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; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 8, i1 false)
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ret void
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}
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define void @memcpy_16_al2(i8* %d, i8* %s) {
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;
|
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; no strict-align:
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;
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; ldr.w r12, [r1]
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; ldr r3, [r1, #4]
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; ldr r2, [r1, #8]
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; ldr r1, [r1, #12]
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; str r1, [r0, #12]
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; str r2, [r0, #8]
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; str r3, [r0, #4]
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; str.w r12, [r0]
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;
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; strict-align:
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;
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; movs r2, #16
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; bl __aeabi_memcpy
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;
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; CHECK-NO-SA-LABEL: 'memcpy_16_al2'
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; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 8 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 16, i1 false)
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; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-SA-LABEL: 'memcpy_16_al2'
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; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 16, i1 false)
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; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 16, i1 false)
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ret void
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}
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define void @memcpy_32_al2(i8* %d, i8* %s, i32 %N) {
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;
|
|
; with/without strict-align:
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;
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; movs r2, #32
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; bl __aeabi_memcpy
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;
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; COMMON-LABEL: 'memcpy_32_al2'
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; COMMON-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 32, i1 false)
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; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 32, i1 false)
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ret void
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}
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define void @memcpy_N_al2(i8* %d, i8* %s, i32 %N) {
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;
|
|
; with/without strict-align:
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;
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; bl __aeabi_memcpy
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;
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; COMMON-LABEL: 'memcpy_N_al2'
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; COMMON-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 %N, i1 false)
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; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %d, i8* align 2 %s, i32 %N, i1 false)
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ret void
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}
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;;;;;;;;;;;;;
|
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; Align 4, 4
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|
;;;;;;;;;;;;;
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|
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define void @memcpy_1_al4(i8* %d, i8* %s) {
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;
|
|
; with/without strict-align:
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;
|
|
; ldrb r1, [r1]
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; strb r1, [r0]
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;
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; COMMON-LABEL: 'memcpy_1_al4'
|
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; COMMON-NEXT: Cost Model: Found an estimated cost of 2 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 1, i1 false)
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @memcpy_2_al4(i8* %d, i8* %s) {
|
|
;
|
|
; with/without strict-align:
|
|
;
|
|
; ldrh r1, [r1]
|
|
; strh r1, [r0]
|
|
;
|
|
; COMMON-LABEL: 'memcpy_2_al4'
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 2 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 2, i1 false)
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 2, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @memcpy_3_al4(i8* %d, i8* %s) {
|
|
;
|
|
; with/without strict-align:
|
|
;
|
|
; ldrb r2, [r1, #2]
|
|
; strb r2, [r0, #2]
|
|
; ldrh r1, [r1]
|
|
; strh r1, [r0]
|
|
;
|
|
; COMMON-LABEL: 'memcpy_3_al4'
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 3, i1 false)
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 3, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @memcpy_4_al4(i8* %d, i8* %s) {
|
|
;
|
|
; with/without strict-align:
|
|
;
|
|
; ldr r1, [r1]
|
|
; str r1, [r0]
|
|
;
|
|
; COMMON-LABEL: 'memcpy_4_al4'
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 2 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 4, i1 false)
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 4, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @memcpy_8_al4(i8* %d, i8* %s) {
|
|
;
|
|
; with/without strict-align:
|
|
;
|
|
; ldrd r2, r1, [r1]
|
|
; strd r2, r1, [r0]
|
|
;
|
|
; COMMON-LABEL: 'memcpy_8_al4'
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 8, i1 false)
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 8, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @memcpy_16_al4(i8* %d, i8* %s) {
|
|
;
|
|
; with/without strict-align:
|
|
;
|
|
; ldm.w r1, {r2, r3, r12}
|
|
; ldr r1, [r1, #12]
|
|
; stm.w r0, {r2, r3, r12}
|
|
; str r1, [r0, #12]
|
|
;
|
|
; COMMON-LABEL: 'memcpy_16_al4'
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 8 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 16, i1 false)
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 16, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @memcpy_32_al4(i8* %d, i8* %s, i32 %N) {
|
|
;
|
|
; with/without strict-align:
|
|
;
|
|
; ldm.w r1!, {r2, r3, r12, lr}
|
|
; stm.w r0!, {r2, r3, r12, lr}
|
|
; ldm.w r1, {r2, r3, r12, lr}
|
|
; stm.w r0, {r2, r3, r12, lr}
|
|
;
|
|
; COMMON-LABEL: 'memcpy_32_al4'
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 32, i1 false)
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 32, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @memcpy_N_al4(i8* %d, i8* %s, i32 %N) {
|
|
;
|
|
; with/without strict-align:
|
|
;
|
|
; bl __aeabi_memcpy4
|
|
;
|
|
; COMMON-LABEL: 'memcpy_N_al4'
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 %N, i1 false)
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 4 %s, i32 %N, i1 false)
|
|
ret void
|
|
}
|
|
|
|
;;;;;;;;;;;;;
|
|
; Align 1, 4
|
|
;;;;;;;;;;;;;
|
|
|
|
define void @memcpy_1_al14(i8* %d, i8* %s) {
|
|
;
|
|
; with/without strict-align:
|
|
;
|
|
; ldrb r1, [r1]
|
|
; strb r1, [r0]
|
|
;
|
|
; COMMON-LABEL: 'memcpy_1_al14'
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 2 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 1, i1 false)
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @memcpy_2_al14(i8* %d, i8* %s) {
|
|
;
|
|
; no strict-align:
|
|
;
|
|
; ldrh r1, [r1]
|
|
; strh r1, [r0]
|
|
;
|
|
; strict-align:
|
|
;
|
|
; ldrb r2, [r1]
|
|
; ldrb r1, [r1, #1]
|
|
; strb r1, [r0, #1]
|
|
; strb r2, [r0]
|
|
;
|
|
; CHECK-NO-SA-LABEL: 'memcpy_2_al14'
|
|
; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 2 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 2, i1 false)
|
|
; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
; CHECK-SA-LABEL: 'memcpy_2_al14'
|
|
; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 2, i1 false)
|
|
; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 2, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @memcpy_3_al14(i8* %d, i8* %s) {
|
|
;
|
|
; no strict-align:
|
|
;
|
|
; ldrb r2, [r1, #2]
|
|
; strb r2, [r0, #2]
|
|
; ldrh r1, [r1]
|
|
; strh r1, [r0]
|
|
;
|
|
; strict-align:
|
|
;
|
|
; ldrb r2, [r1]
|
|
; ldrb r3, [r1, #1]
|
|
; ldrb r1, [r1, #2]
|
|
; strb r1, [r0, #2]
|
|
; strb r3, [r0, #1]
|
|
; strb r2, [r0]
|
|
;
|
|
; CHECK-NO-SA-LABEL: 'memcpy_3_al14'
|
|
; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 3, i1 false)
|
|
; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
; CHECK-SA-LABEL: 'memcpy_3_al14'
|
|
; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 6 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 3, i1 false)
|
|
; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 3, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @memcpy_4_al14(i8* %d, i8* %s) {
|
|
;
|
|
; no strict-align:
|
|
;
|
|
; ldr r1, [r1]
|
|
; str r1, [r0]
|
|
;
|
|
; strict-align:
|
|
;
|
|
; ldrb.w r12, [r1]
|
|
; ldrb r3, [r1, #1]
|
|
; ldrb r2, [r1, #2]
|
|
; ldrb r1, [r1, #3]
|
|
; strb r1, [r0, #3]
|
|
; strb r2, [r0, #2]
|
|
; strb r3, [r0, #1]
|
|
; strb.w r12, [r0]
|
|
;
|
|
; CHECK-NO-SA-LABEL: 'memcpy_4_al14'
|
|
; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 2 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 4, i1 false)
|
|
; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
; CHECK-SA-LABEL: 'memcpy_4_al14'
|
|
; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 8 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 4, i1 false)
|
|
; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 4, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @memcpy_8_al14(i8* %d, i8* %s) {
|
|
;
|
|
; no strict-align:
|
|
;
|
|
; ldr r2, [r1]
|
|
; ldr r1, [r1, #4]
|
|
; str r1, [r0, #4]
|
|
; str r2, [r0]
|
|
;
|
|
; strict-align:
|
|
;
|
|
; push {r7, lr}
|
|
; movs r2, #8
|
|
; bl __aeabi_memcpy
|
|
; pop {r7, pc}
|
|
;
|
|
; COMMON-LABEL: 'memcpy_8_al14'
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 8, i1 false)
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 8, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @memcpy_16_al14(i8* %d, i8* %s) {
|
|
;
|
|
; no strict-align:
|
|
;
|
|
; ldr.w r12, [r1]
|
|
; ldr r3, [r1, #4]
|
|
; ldr r2, [r1, #8]
|
|
; ldr r1, [r1, #12]
|
|
; str r1, [r0, #12]
|
|
; str r2, [r0, #8]
|
|
; str r3, [r0, #4]
|
|
; str.w r12, [r0]
|
|
;
|
|
; strict-align:
|
|
;
|
|
; movs r2, #16
|
|
; bl __aeabi_memcpy
|
|
;
|
|
; CHECK-NO-SA-LABEL: 'memcpy_16_al14'
|
|
; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 8 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 16, i1 false)
|
|
; CHECK-NO-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
; CHECK-SA-LABEL: 'memcpy_16_al14'
|
|
; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 16, i1 false)
|
|
; CHECK-SA-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 16, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @memcpy_32_al14(i8* %d, i8* %s) {
|
|
;
|
|
; with/without strict-align:
|
|
;
|
|
; movs r2, #32
|
|
; bl __aeabi_memcpy
|
|
;
|
|
; COMMON-LABEL: 'memcpy_32_al14'
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 32, i1 false)
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 32, i1 false)
|
|
ret void
|
|
}
|
|
|
|
define void @memcpy_N_al14(i8* %d, i8* %s, i32 %N) {
|
|
;
|
|
; with/without strict-align:
|
|
;
|
|
; bl __aeabi_memcpy4
|
|
;
|
|
; COMMON-LABEL: 'memcpy_N_al14'
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 %N, i1 false)
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %d, i8* align 4 %s, i32 %N, i1 false)
|
|
ret void
|
|
}
|
|
|
|
;;;;;;;;;;;;;
|
|
; Align 4, 1
|
|
;;;;;;;;;;;;;
|
|
|
|
define void @memcpy_1_al41(i8* %d, i8* %s) {
|
|
;
|
|
; with/without strict-align:
|
|
;
|
|
; ldrb r1, [r1]
|
|
; strb r1, [r0]
|
|
;
|
|
; COMMON-LABEL: 'memcpy_1_al41'
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 4 for instruction: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 1 %s, i32 1, i1 false)
|
|
; COMMON-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
|
|
;
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %d, i8* align 1 %s, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture writeonly, i8* nocapture readonly, i32, i1) #1
|