diff options
Diffstat (limited to 'test/Transforms/EarlyCSE/basic.ll')
| -rw-r--r-- | test/Transforms/EarlyCSE/basic.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/Transforms/EarlyCSE/basic.ll b/test/Transforms/EarlyCSE/basic.ll index bc152e7062..e3c75f97dc 100644 --- a/test/Transforms/EarlyCSE/basic.ll +++ b/test/Transforms/EarlyCSE/basic.ll @@ -106,3 +106,16 @@ define void @test7(i32 *%P) { ; CHECK-NEXT: store i32 45 ; CHECK-NEXT: ret void } + +;; Readnone functions aren't invalidated by stores. +; CHECK: @test8 +define i32 @test8(i32 *%P) { + %V1 = call i32 @func(i32* %P) readnone + store i32 4, i32* %P + %V2 = call i32 @func(i32* %P) readnone + %Diff = sub i32 %V1, %V2 + ret i32 %Diff + ; CHECK: ret i32 0 +} + + |