| ; RUN: opt < %s -S -scalarrepl | FileCheck %s |
| |
| 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" |
| |
| %struct.S = type { [2 x %struct.anon], double } |
| %struct.anon = type {} |
| |
| ; CHECK: @test() |
| ; CHECK-NOT: alloca |
| ; CHECK: ret double 1.0 |
| |
| define double @test() nounwind uwtable ssp { |
| entry: |
| %retval = alloca %struct.S, align 8 |
| %ret = alloca %struct.S, align 8 |
| %b = getelementptr inbounds %struct.S* %ret, i32 0, i32 1 |
| store double 1.000000e+00, double* %b, align 8 |
| %0 = bitcast %struct.S* %retval to i8* |
| %1 = bitcast %struct.S* %ret to i8* |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %1, i64 8, i32 8, i1 false) |
| %2 = bitcast %struct.S* %retval to double* |
| %3 = load double* %2, align 1 |
| ret double %3 |
| } |
| |
| declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind |