| ; Test to make sure malloc's bitcast does not block detection of a store | |
| ; to aliased memory; GVN should not optimize away the load in this program. | |
| ; RUN: opt < %s -passes=newgvn -S | FileCheck %s | |
| define i64 @test() { | |
| %1 = tail call ptr @malloc(i64 mul (i64 4, i64 ptrtoint (ptr getelementptr (i64, ptr null, i64 1) to i64))) ; <ptr> [#uses=2] | |
| store i8 42, ptr %1 | |
| %Y = load i64, ptr %1 ; <i64> [#uses=1] | |
| ret i64 %Y | |
| ; CHECK: %Y = load i64, ptr %1 | |
| ; CHECK: ret i64 %Y | |
| } | |
| declare noalias ptr @malloc(i64) |