forked from OSchip/llvm-project
78 lines
2.9 KiB
LLVM
78 lines
2.9 KiB
LLVM
; RUN: llc -mtriple=arm-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-V4
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; RUN: llc -mtriple=armv6-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-V6
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; RUN: llc -mtriple=armv7-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-V6
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; RUN: llc -mtriple=thumb-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-THUMB
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; RUN: llc -mtriple=thumbv6-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-THUMB
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; RUN: llc -mtriple=thumbv6t2-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-THUMBV6T2
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; RUN: llc -mtriple=thumbv7-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-THUMBV6T2
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; RUN: llc -mtriple=thumbv7m-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-V4
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; RUN: llc -mtriple=thumbv7em-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-THUMBV6T2
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; Next test would previously trigger an assertion responsible for verification of
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; call site info state.
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; RUN: llc -stop-after=if-converter -debug-entry-values -mtriple=thumbv6t2-eabi %s -o -| FileCheck %s -check-prefix=CHECK-CALLSITE
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; CHECK-CALLSITE: name: test_used_flags
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; CHECK-CALLSITE: callSites:
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define i32 @Test0(i32 %a, i32 %b, i32 %c) nounwind readnone ssp {
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entry:
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; CHECK-LABEL: Test0
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; CHECK-NOT: smmls
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%conv4 = zext i32 %a to i64
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%conv1 = sext i32 %b to i64
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%conv2 = sext i32 %c to i64
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%mul = mul nsw i64 %conv2, %conv1
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%shr5 = lshr i64 %mul, 32
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%sub = sub nsw i64 %conv4, %shr5
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%conv3 = trunc i64 %sub to i32
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ret i32 %conv3
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}
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define i32 @Test1(i32 %a, i32 %b, i32 %c) {
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;CHECK-LABEL: Test1
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;CHECK-V4-NOT: smmls
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;CHECK-THUMB-NOT: smmls
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;CHECK-V6: smmls r0, [[Rn:r[1-2]]], [[Rm:r[1-2]]], r0
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;CHECK-THUMBV6T2: smmls r0, [[Rn:r[1-2]]], [[Rm:r[1-2]]], r0
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entry:
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%conv = sext i32 %b to i64
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%conv1 = sext i32 %c to i64
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%mul = mul nsw i64 %conv1, %conv
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%conv26 = zext i32 %a to i64
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%shl = shl nuw i64 %conv26, 32
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%sub = sub nsw i64 %shl, %mul
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%shr7 = lshr i64 %sub, 32
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%conv3 = trunc i64 %shr7 to i32
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ret i32 %conv3
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}
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declare void @opaque(i32)
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define void @test_used_flags(i32 %in1, i32 %in2) {
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; CHECK-LABEL: test_used_flags:
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; CHECK-THUMB: movs r2, #0
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; CHECK-THUMB: rsbs r0, r0, #0
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; CHECK-THUMB: sbcs r2, r1
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; CHECK-THUMB: bge
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; CHECK-V6: smull [[PROD_LO:r[0-9]+]], [[PROD_HI:r[0-9]+]], r0, r1
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; CHECK-V6: rsbs {{.*}}, [[PROD_LO]], #0
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; CHECK-V6: rscs {{.*}}, [[PROD_HI]], #0
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; CHECK-THUMBV6T2: smull [[PROD_LO:r[0-9]+]], [[PROD_HI:r[0-9]+]], r0, r1
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; CHECK-THUMBV6T2: movs [[ZERO:r[0-9]+]], #0
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; CHECK-THUMBV6T2: rsbs {{.*}}, [[PROD_LO]], #0
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; CHECK-THUMBV6T2: sbcs.w {{.*}}, [[ZERO]], [[PROD_HI]]
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%in1.64 = sext i32 %in1 to i64
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%in2.64 = sext i32 %in2 to i64
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%mul = mul nsw i64 %in1.64, %in2.64
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%tst = icmp slt i64 %mul, 1
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br i1 %tst, label %true, label %false
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true:
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call void @opaque(i32 42)
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ret void
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false:
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call void @opaque(i32 56)
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ret void
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}
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