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28 lines
1.3 KiB
LLVM
28 lines
1.3 KiB
LLVM
; RUN: llc -mtriple=mipsel-linux-gnu -O3 -relocation-model=pic < %s | FileCheck %s
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; Test that a load comes after a store to the same memory location when passing
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; a byVal parameter to a function which has a fastcc function call
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%struct.str = type { i32, i32, [3 x i32*] }
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declare fastcc void @_Z1F3str(%struct.str* noalias nocapture sret(%struct.str) %agg.result, %struct.str* byval(%struct.str) nocapture readonly align 4 %s)
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define i32 @_Z1g3str(%struct.str* byval(%struct.str) nocapture readonly align 4 %s) {
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; CHECK-LABEL: _Z1g3str:
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; CHECK: sw $7, [[OFFSET:[0-9]+]]($sp)
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; CHECK: lw ${{[0-9]+}}, [[OFFSET]]($sp)
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entry:
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%ref.tmp = alloca %struct.str, align 4
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%0 = bitcast %struct.str* %ref.tmp to i8*
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call void @llvm.lifetime.start.p0i8(i64 20, i8* nonnull %0)
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call fastcc void @_Z1F3str(%struct.str* nonnull sret(%struct.str) %ref.tmp, %struct.str* byval(%struct.str) nonnull align 4 %s)
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%cl.sroa.3.0..sroa_idx2 = getelementptr inbounds %struct.str, %struct.str* %ref.tmp, i32 0, i32 1
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%cl.sroa.3.0.copyload = load i32, i32* %cl.sroa.3.0..sroa_idx2, align 4
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call void @llvm.lifetime.end.p0i8(i64 20, i8* nonnull %0)
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ret i32 %cl.sroa.3.0.copyload
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}
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declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
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declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
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