forked from OSchip/llvm-project
Test cases for when casts to bool can be eliminated
llvm-svn: 6870
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llvm/test/Regression/Transforms/InstCombine
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@ -68,3 +68,16 @@ short %test10(short %A) {
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%c2 = cast uint %c1 to short
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ret short %c2
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}
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bool %test11(ubyte %A, ubyte %B) {
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%C = sub ubyte %A, %B
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%D = cast ubyte %C to bool ; == setne A, B
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ret bool %D
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}
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bool %test12(ubyte %A) {
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%B = add ubyte %A, 255
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%C = cast ubyte %B to bool ; === A != 1
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ret bool %C
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}
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