mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-26 04:32:44 +01:00
7a90a95ac2
Following https://reviews.llvm.org/D82607. Reviewed By: ychen Differential Revision: https://reviews.llvm.org/D82683
15 lines
397 B
LLVM
15 lines
397 B
LLVM
; RUN: opt < %s -basic-aa -gvn -instcombine -S | FileCheck %s
|
|
|
|
; BasicAA was incorrectly concluding that P1 and P2 didn't conflict!
|
|
|
|
define i32 @test(i32 *%Ptr, i64 %V) {
|
|
; CHECK: sub i32 %X, %Y
|
|
%P2 = getelementptr i32, i32* %Ptr, i64 1
|
|
%P1 = getelementptr i32, i32* %Ptr, i64 %V
|
|
%X = load i32, i32* %P1
|
|
store i32 5, i32* %P2
|
|
%Y = load i32, i32* %P1
|
|
%Z = sub i32 %X, %Y
|
|
ret i32 %Z
|
|
}
|