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| ; 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, %struct2* %y, i32 0, i32 0, i32 0
store i32 0, i32* %gepn1, align 8
%gepn2 = getelementptr inbounds %struct2, %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, i64* %bit1, align 8
store i64 %load, i64* %bit2, align 8
; CHECK: %load = load i64, i64* %bit1, align 8
; CHECK: store i64 %load, i64* %bit2, align 8
%gep1 = getelementptr %struct2, %struct2* %y, i32 0, i32 0, i32 0
%ret = load i32, i32* %gep1
ret i32 %ret
}
|