diff options
Diffstat (limited to 'test/Transforms/InstSimplify/compare.ll')
-rw-r--r-- | test/Transforms/InstSimplify/compare.ll | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/test/Transforms/InstSimplify/compare.ll b/test/Transforms/InstSimplify/compare.ll index 6ee6dfbdbc..85aea19e69 100644 --- a/test/Transforms/InstSimplify/compare.ll +++ b/test/Transforms/InstSimplify/compare.ll @@ -40,6 +40,50 @@ define i1 @gep2() { ; CHECK-NEXT: ret i1 true } +; PR11238 +%t = type { i32, i32 } +@y = global %t zeroinitializer, align 8 + +define i1 @gep3() { +; CHECK: @gep3 + %x = alloca %t, align 8 + %a = getelementptr %t* %x, i64 0, i32 0 + %b = getelementptr %t* %x, i64 0, i32 1 + %equal = icmp eq i32* %a, %b + ret i1 %equal +; CHECK-NEXT: ret i1 false +} + +define i1 @gep4() { +; CHECK: @gep4 + %x = alloca %t, align 8 + %a = getelementptr %t* @y, i64 0, i32 0 + %b = getelementptr %t* @y, i64 0, i32 1 + %equal = icmp eq i32* %a, %b + ret i1 %equal +; CHECK-NEXT: ret i1 false +} + +define i1 @gep5() { +; CHECK: @gep5 + %x = alloca %t, align 8 + %a = getelementptr inbounds %t* %x, i64 0, i32 1 + %b = getelementptr %t* @y, i64 0, i32 0 + %equal = icmp eq i32* %a, %b + ret i1 %equal +; CHECK-NEXT: ret i1 false +} + +define i1 @gep6(%t* %x) { +; Same as @gep3 but potentially null. +; CHECK: @gep6 + %a = getelementptr %t* %x, i64 0, i32 0 + %b = getelementptr %t* %x, i64 0, i32 1 + %equal = icmp eq i32* %a, %b + ret i1 %equal +; CHECK-NEXT: ret i1 false +} + define i1 @zext(i32 %x) { ; CHECK: @zext %e1 = zext i32 %x to i64 |