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Diffstat (limited to 'test/Transforms/PredicateSimplifier/2006-10-22-IntOr.ll')
| -rw-r--r-- | test/Transforms/PredicateSimplifier/2006-10-22-IntOr.ll | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/test/Transforms/PredicateSimplifier/2006-10-22-IntOr.ll b/test/Transforms/PredicateSimplifier/2006-10-22-IntOr.ll new file mode 100644 index 000000000000..9146576ef616 --- /dev/null +++ b/test/Transforms/PredicateSimplifier/2006-10-22-IntOr.ll @@ -0,0 +1,48 @@ +; RUN: llvm-as < %s | \ +; RUN: opt -predsimplify -instcombine -simplifycfg | llvm-dis > %t +; RUN: grep -v declare %t | not grep fail +; RUN: grep -v declare %t | grep pass | count 3 + +define i32 @test1(i32 %x, i32 %y) { +entry: + %tmp2 = or i32 %x, %y ; <i32> [#uses=1] + %tmp = icmp eq i32 %tmp2, 0 ; <i1> [#uses=1] + br i1 %tmp, label %cond_true, label %return +cond_true: ; preds = %entry + %tmp4 = icmp eq i32 %x, 0 ; <i1> [#uses=1] + br i1 %tmp4, label %cond_true5, label %cond_false +cond_true5: ; preds = %cond_true + %tmp6 = call i32 @pass( ) ; <i32> [#uses=1] + ret i32 %tmp6 +cond_false: ; preds = %cond_true + %tmp8 = call i32 @fail( ) ; <i32> [#uses=1] + ret i32 %tmp8 +return: ; preds = %entry + ret i32 0 +} + +define i32 @test2(i32 %x, i32 %y) { +entry: + %tmp2 = or i32 %x, %y ; <i32> [#uses=1] + %tmp = icmp ne i32 %tmp2, 0 ; <i1> [#uses=1] + br i1 %tmp, label %cond_true, label %return +cond_true: ; preds = %entry + %tmp4 = icmp eq i32 %x, 0 ; <i1> [#uses=1] + br i1 %tmp4, label %cond_true5, label %cond_false +cond_true5: ; preds = %cond_true + %tmp6 = call i32 @pass1( ) ; <i32> [#uses=1] + ret i32 %tmp6 +cond_false: ; preds = %cond_true + %tmp8 = call i32 @pass2( ) ; <i32> [#uses=1] + ret i32 %tmp8 +return: ; preds = %entry + ret i32 0 +} + +declare i32 @fail() + +declare i32 @pass() + +declare i32 @pass1() + +declare i32 @pass2() |