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Diffstat (limited to 'test/Transforms/InstCombine/and-or.ll')
-rw-r--r-- | test/Transforms/InstCombine/and-or.ll | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/and-or.ll b/test/Transforms/InstCombine/and-or.ll new file mode 100644 index 0000000..b4224b3 --- /dev/null +++ b/test/Transforms/InstCombine/and-or.ll @@ -0,0 +1,39 @@ +; RUN: opt < %s -instcombine -S | grep {and i32 %a, 1} | count 4 +; RUN: opt < %s -instcombine -S | grep {or i32 %0, %b} | count 4 + + +define i32 @func1(i32 %a, i32 %b) nounwind readnone { +entry: + %0 = or i32 %b, %a ; <i32> [#uses=1] + %1 = and i32 %0, 1 ; <i32> [#uses=1] + %2 = and i32 %b, -2 ; <i32> [#uses=1] + %3 = or i32 %1, %2 ; <i32> [#uses=1] + ret i32 %3 +} + +define i32 @func2(i32 %a, i32 %b) nounwind readnone { +entry: + %0 = or i32 %a, %b ; <i32> [#uses=1] + %1 = and i32 1, %0 ; <i32> [#uses=1] + %2 = and i32 -2, %b ; <i32> [#uses=1] + %3 = or i32 %1, %2 ; <i32> [#uses=1] + ret i32 %3 +} + +define i32 @func3(i32 %a, i32 %b) nounwind readnone { +entry: + %0 = or i32 %b, %a ; <i32> [#uses=1] + %1 = and i32 %0, 1 ; <i32> [#uses=1] + %2 = and i32 %b, -2 ; <i32> [#uses=1] + %3 = or i32 %2, %1 ; <i32> [#uses=1] + ret i32 %3 +} + +define i32 @func4(i32 %a, i32 %b) nounwind readnone { +entry: + %0 = or i32 %a, %b ; <i32> [#uses=1] + %1 = and i32 1, %0 ; <i32> [#uses=1] + %2 = and i32 -2, %b ; <i32> [#uses=1] + %3 = or i32 %2, %1 ; <i32> [#uses=1] + ret i32 %3 +} |