1 ; RUN: opt < %s -S -scalarrepl | FileCheck %s 2 3 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" 4 5 %struct.S = type { [2 x %struct.anon], double } 6 %struct.anon = type {} 7 8 ; CHECK: @test() 9 ; CHECK-NOT: alloca 10 ; CHECK: ret double 1.0 11 12 define double @test() nounwind uwtable ssp { 13 entry: 14 %retval = alloca %struct.S, align 8 15 %ret = alloca %struct.S, align 8 16 %b = getelementptr inbounds %struct.S* %ret, i32 0, i32 1 17 store double 1.000000e+00, double* %b, align 8 18 %0 = bitcast %struct.S* %retval to i8* 19 %1 = bitcast %struct.S* %ret to i8* 20 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %1, i64 8, i32 8, i1 false) 21 %2 = bitcast %struct.S* %retval to double* 22 %3 = load double* %2, align 1 23 ret double %3 24 } 25 26 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind 27
