98 lines
3.8 KiB
LLVM
98 lines
3.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=znver1 | FileCheck %s
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define win64cc void @opaque() {
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; CHECK-LABEL: opaque:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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ret void
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}
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; We need xmm6 to be live from the loop header across all iterations of the loop.
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; We shouldn't clobber ymm6 inside the loop.
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define i32 @main() {
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; CHECK-LABEL: main:
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; CHECK: # %bb.0: # %start
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; CHECK-NEXT: subq $584, %rsp # imm = 0x248
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; CHECK-NEXT: .cfi_def_cfa_offset 592
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; CHECK-NEXT: vmovaps {{.*#+}} xmm6 = [1010101010101010101,2020202020202020202]
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; CHECK-NEXT: xorl %esi, %esi
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; CHECK-NEXT: .p2align 4, 0x90
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; CHECK-NEXT: .LBB1_1: # %fake-loop
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; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: vmovups {{[0-9]+}}(%rsp), %ymm0
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; CHECK-NEXT: vmovups {{[0-9]+}}(%rsp), %ymm1
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; CHECK-NEXT: vmovups {{[0-9]+}}(%rsp), %ymm7
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; CHECK-NEXT: vmovups {{[0-9]+}}(%rsp), %ymm2
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; CHECK-NEXT: vmovups {{[0-9]+}}(%rsp), %ymm3
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; CHECK-NEXT: vmovups %ymm0, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: vmovups %ymm1, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: vmovups {{[0-9]+}}(%rsp), %ymm1
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; CHECK-NEXT: vmovups %ymm3, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: vmovups %ymm2, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: vmovups %ymm7, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: vmovups %ymm3, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: vmovups %ymm2, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: vmovups %ymm7, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: vmovups %ymm1, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: vmovups %ymm1, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: vmovups {{[0-9]+}}(%rsp), %ymm5
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; CHECK-NEXT: vmovups {{[0-9]+}}(%rsp), %ymm4
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; CHECK-NEXT: vmovups %ymm5, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: vmovups %ymm4, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: vzeroupper
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; CHECK-NEXT: callq opaque
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; CHECK-NEXT: vmovaps %xmm6, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: testb %sil, %sil
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; CHECK-NEXT: jne .LBB1_1
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; CHECK-NEXT: # %bb.2: # %exit
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; CHECK-NEXT: movabsq $1010101010101010101, %rcx # imm = 0xE04998456557EB5
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: cmpq %rcx, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: setne %al
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; CHECK-NEXT: negl %eax
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; CHECK-NEXT: addq $584, %rsp # imm = 0x248
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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start:
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%dummy0 = alloca [22 x i64], align 8
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%dummy1 = alloca [22 x i64], align 8
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%dummy2 = alloca [22 x i64], align 8
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%data = alloca <2 x i64>, align 8
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br label %fake-loop
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fake-loop: ; preds = %fake-loop, %start
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%dummy0.cast = bitcast [22 x i64]* %dummy0 to i8*
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%dummy1.cast = bitcast [22 x i64]* %dummy1 to i8*
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 8 %dummy1.cast, i8* nonnull align 8 %dummy0.cast, i64 176, i1 false)
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%dummy1.cast.copy = bitcast [22 x i64]* %dummy1 to i8*
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%dummy2.cast = bitcast [22 x i64]* %dummy2 to i8*
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call void @llvm.lifetime.start.p0i8(i64 176, i8* nonnull %dummy2.cast)
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 8 %dummy2.cast, i8* nonnull align 8 %dummy1.cast.copy, i64 176, i1 false)
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call win64cc void @opaque()
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store <2 x i64> <i64 1010101010101010101, i64 2020202020202020202>, <2 x i64>* %data, align 8
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%opaque-false = icmp eq i8 0, 1
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br i1 %opaque-false, label %fake-loop, label %exit
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exit: ; preds = %fake-loop
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%data.cast = bitcast <2 x i64>* %data to i64*
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%0 = load i64, i64* %data.cast, align 8
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%1 = icmp eq i64 %0, 1010101010101010101
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%2 = select i1 %1, i32 0, i32 -1
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ret i32 %2
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}
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; Function Attrs: argmemonly nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1 immarg) #0
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) #0
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attributes #0 = { argmemonly nounwind }
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