; 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 }