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Diffstat (limited to 'test/Transforms/SimplifyLibCalls/IsDigit.ll')
| -rw-r--r-- | test/Transforms/SimplifyLibCalls/IsDigit.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyLibCalls/IsDigit.ll b/test/Transforms/SimplifyLibCalls/IsDigit.ll new file mode 100644 index 000000000000..a290e0107d45 --- /dev/null +++ b/test/Transforms/SimplifyLibCalls/IsDigit.ll @@ -0,0 +1,21 @@ +; Test that the IsDigitOptimizer works correctly +; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | \ +; RUN: not grep call + +declare i32 @isdigit(i32) + +declare i32 @isascii(i32) + +define i32 @main() { + %val1 = call i32 @isdigit( i32 47 ) ; <i32> [#uses=1] + %val2 = call i32 @isdigit( i32 48 ) ; <i32> [#uses=1] + %val3 = call i32 @isdigit( i32 57 ) ; <i32> [#uses=1] + %val4 = call i32 @isdigit( i32 58 ) ; <i32> [#uses=1] + %rslt1 = add i32 %val1, %val2 ; <i32> [#uses=1] + %rslt2 = add i32 %val3, %val4 ; <i32> [#uses=1] + %sum = add i32 %rslt1, %rslt2 ; <i32> [#uses=1] + %rslt = call i32 @isdigit( i32 %sum ) ; <i32> [#uses=1] + %tmp = call i32 @isascii( i32 %rslt ) ; <i32> [#uses=1] + ret i32 %tmp +} + |