1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -mcpu=btver2 %s -o - | FileCheck %s 3; Test desc: two functions (foo, bar) with byval arguments, should not have 4; reads/writes from/to byval storage re-ordered. 5; When broken, five "1" constants are written into the byval %struct.face, 6; but the subsequent byval read of that struct (call to bar) gets re-ordered 7; before those writes, illegally. 8source_filename = "test.c" 9target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 10target triple = "x86_64-pc-linux-gnu" 11 12%struct.face = type { [7 x i32] } 13 14; Function Attrs: noinline nounwind uwtable 15declare void @bar(%struct.face* byval nocapture readonly align 8); 16 17; Function Attrs: noinline nounwind uwtable 18define void @foo(%struct.face* byval nocapture align 8) local_unnamed_addr { 19; CHECK-LABEL: foo: 20; CHECK: # %bb.0: 21; CHECK-NEXT: subq $40, %rsp 22; CHECK-NEXT: .cfi_def_cfa_offset 48 23; CHECK-NEXT: vmovaps {{.*#+}} xmm0 = [1,1,1,1] 24; CHECK-NEXT: vmovaps %xmm0, {{[0-9]+}}(%rsp) 25; CHECK-NEXT: movl $1, {{[0-9]+}}(%rsp) 26; CHECK-NEXT: vmovups {{[0-9]+}}(%rsp), %xmm0 27; CHECK-NEXT: vmovups %xmm0, {{[0-9]+}}(%rsp) 28; CHECK-NEXT: vmovaps {{[0-9]+}}(%rsp), %xmm0 29; CHECK-NEXT: vmovups %xmm0, (%rsp) 30; CHECK-NEXT: callq bar 31; CHECK-NEXT: addq $40, %rsp 32; CHECK-NEXT: .cfi_def_cfa_offset 8 33; CHECK-NEXT: retq 34 %2 = bitcast %struct.face* %0 to <4 x i32>* 35 store <4 x i32> <i32 1, i32 1, i32 1, i32 1>, <4 x i32>* %2, align 8 36 %3 = getelementptr inbounds %struct.face, %struct.face* %0, i64 0, i32 0, i64 4 37 store i32 1, i32* %3, align 8 38 call void @bar(%struct.face* byval nonnull align 8 %0) 39 ret void 40} 41