06c192d454
Upgrade of the IR text tests should be the only thing blocking making typed byval mandatory. Partially done through regex and partially manual.
41 lines
1.7 KiB
LLVM
41 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mcpu=btver2 %s -o - | FileCheck %s
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; Test desc: two functions (foo, bar) with byval arguments, should not have
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; reads/writes from/to byval storage re-ordered.
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; When broken, five "1" constants are written into the byval %struct.face,
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; but the subsequent byval read of that struct (call to bar) gets re-ordered
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; before those writes, illegally.
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source_filename = "test.c"
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-linux-gnu"
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%struct.face = type { [7 x i32] }
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; Function Attrs: noinline nounwind uwtable
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declare void @bar(%struct.face* byval(%struct.face) nocapture readonly align 8);
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; Function Attrs: noinline nounwind uwtable
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define void @foo(%struct.face* byval(%struct.face) nocapture align 8) local_unnamed_addr {
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; CHECK-LABEL: foo:
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; CHECK: # %bb.0:
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; CHECK-NEXT: subq $40, %rsp
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; CHECK-NEXT: .cfi_def_cfa_offset 48
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; CHECK-NEXT: vmovaps {{.*#+}} xmm0 = [1,1,1,1]
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; CHECK-NEXT: vmovaps %xmm0, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: movl $1, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: vmovups {{[0-9]+}}(%rsp), %xmm0
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; CHECK-NEXT: vmovups %xmm0, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: vmovaps {{[0-9]+}}(%rsp), %xmm0
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; CHECK-NEXT: vmovups %xmm0, (%rsp)
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: addq $40, %rsp
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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%2 = bitcast %struct.face* %0 to <4 x i32>*
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store <4 x i32> <i32 1, i32 1, i32 1, i32 1>, <4 x i32>* %2, align 8
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%3 = getelementptr inbounds %struct.face, %struct.face* %0, i64 0, i32 0, i64 4
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store i32 1, i32* %3, align 8
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call void @bar(%struct.face* byval(%struct.face) nonnull align 8 %0)
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ret void
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}
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