| ; RUN: opt < %s -basicaa -memcpyopt -S | FileCheck %s | |
| ; PR10067 | |
| ; Make sure the call+copy isn't optimized in such a way that | |
| ; %ret ends up with the wrong value. | |
| 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" | |
| target triple = "i386-apple-darwin10" | |
| %struct1 = type { i32, i32 } | |
| %struct2 = type { %struct1, i8* } | |
| declare void @bar(%struct1* nocapture sret %agg.result) nounwind | |
| define i32 @foo() nounwind { | |
| %x = alloca %struct1, align 8 | |
| %y = alloca %struct2, align 8 | |
| call void @bar(%struct1* sret %x) nounwind | |
| ; CHECK: call void @bar(%struct1* sret %x) | |
| %gepn1 = getelementptr inbounds %struct2* %y, i32 0, i32 0, i32 0 | |
| store i32 0, i32* %gepn1, align 8 | |
| %gepn2 = getelementptr inbounds %struct2* %y, i32 0, i32 0, i32 1 | |
| store i32 0, i32* %gepn2, align 4 | |
| %bit1 = bitcast %struct1* %x to i64* | |
| %bit2 = bitcast %struct2* %y to i64* | |
| %load = load i64* %bit1, align 8 | |
| store i64 %load, i64* %bit2, align 8 | |
| ; CHECK: %load = load i64* %bit1, align 8 | |
| ; CHECK: store i64 %load, i64* %bit2, align 8 | |
| %gep1 = getelementptr %struct2* %y, i32 0, i32 0, i32 0 | |
| %ret = load i32* %gep1 | |
| ret i32 %ret | |
| } |