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