27 lines
950 B
LLVM
27 lines
950 B
LLVM
; RUN: opt < %s -S -scalarrepl | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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%struct.S = type { [2 x %struct.anon], double }
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%struct.anon = type {}
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; CHECK: @test()
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; CHECK-NOT: alloca
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; CHECK: ret double 1.0
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define double @test() nounwind uwtable ssp {
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entry:
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%retval = alloca %struct.S, align 8
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%ret = alloca %struct.S, align 8
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%b = getelementptr inbounds %struct.S, %struct.S* %ret, i32 0, i32 1
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store double 1.000000e+00, double* %b, align 8
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%0 = bitcast %struct.S* %retval to i8*
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%1 = bitcast %struct.S* %ret to i8*
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %1, i64 8, i32 8, i1 false)
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%2 = bitcast %struct.S* %retval to double*
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%3 = load double, double* %2, align 1
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ret double %3
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}
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
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