1 ; RUN: opt < %s -basicaa -memcpyopt -S | FileCheck %s
3 ; Make sure the call+copy isn't optimized in such a way that
4 ; %ret ends up with the wrong value.
6 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
7 target triple = "i386-apple-darwin10"
9 %struct1 = type { i32, i32 }
10 %struct2 = type { %struct1, i8* }
12 declare void @bar(%struct1* nocapture sret %agg.result) nounwind
14 define i32 @foo() nounwind {
15 %x = alloca %struct1, align 8
16 %y = alloca %struct2, align 8
17 call void @bar(%struct1* sret %x) nounwind
18 ; CHECK: call void @bar(%struct1* sret %x)
20 %gepn1 = getelementptr inbounds %struct2, %struct2* %y, i32 0, i32 0, i32 0
21 store i32 0, i32* %gepn1, align 8
22 %gepn2 = getelementptr inbounds %struct2, %struct2* %y, i32 0, i32 0, i32 1
23 store i32 0, i32* %gepn2, align 4
25 %bit1 = bitcast %struct1* %x to i64*
26 %bit2 = bitcast %struct2* %y to i64*
27 %load = load i64, i64* %bit1, align 8
28 store i64 %load, i64* %bit2, align 8
30 ; CHECK: %load = load i64, i64* %bit1, align 8
31 ; CHECK: store i64 %load, i64* %bit2, align 8
33 %gep1 = getelementptr %struct2, %struct2* %y, i32 0, i32 0, i32 0
34 %ret = load i32, i32* %gep1