1 ; RUN: opt < %s -basicaa -memcpyopt -S | FileCheck %s 2 ; PR10067 3 ; Make sure the call+copy isn't optimized in such a way that 4 ; %ret ends up with the wrong value. 5 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" 8 9 %struct1 = type { i32, i32 } 10 %struct2 = type { %struct1, i8* } 11 12 declare void @bar(%struct1* nocapture sret %agg.result) nounwind 13 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) 19 20 %gepn1 = getelementptr inbounds %struct2* %y, i32 0, i32 0, i32 0 21 store i32 0, i32* %gepn1, align 8 22 %gepn2 = getelementptr inbounds %struct2* %y, i32 0, i32 0, i32 1 23 store i32 0, i32* %gepn2, align 4 24 25 %bit1 = bitcast %struct1* %x to i64* 26 %bit2 = bitcast %struct2* %y to i64* 27 %load = load i64* %bit1, align 8 28 store i64 %load, i64* %bit2, align 8 29 30 ; CHECK: %load = load i64* %bit1, align 8 31 ; CHECK: store i64 %load, i64* %bit2, align 8 32 33 %gep1 = getelementptr %struct2* %y, i32 0, i32 0, i32 0 34 %ret = load i32* %gep1 35 ret i32 %ret 36 } 37
