diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/cast-set.ll')
-rw-r--r-- | llvm/test/Transforms/InstCombine/cast-set.ll | 66 |
1 files changed, 34 insertions, 32 deletions
diff --git a/llvm/test/Transforms/InstCombine/cast-set.ll b/llvm/test/Transforms/InstCombine/cast-set.ll index 801aa1bfc50..091f148a248 100644 --- a/llvm/test/Transforms/InstCombine/cast-set.ll +++ b/llvm/test/Transforms/InstCombine/cast-set.ll @@ -1,49 +1,51 @@ ; This tests for various complex cast elimination cases instcombine should ; handle. -; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | notcast +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | notcast -bool %test1(int %X) { - %A = cast int %X to uint - %c = setne uint %A, 12 ; Convert to setne int %X, 12 - ret bool %c +define i1 @test1(i32 %X) { + %A = bitcast i32 %X to i32 ; <i32> [#uses=1] + ; Convert to setne int %X, 12 + %c = icmp ne i32 %A, 12 ; <i1> [#uses=1] + ret i1 %c } -bool %test2(int %X, int %Y) { - %A = cast int %X to uint - %B = cast int %Y to uint - %c = setne uint %A, %B ; Convert to setne int %X, %Y - ret bool %c +define i1 @test2(i32 %X, i32 %Y) { + %A = bitcast i32 %X to i32 ; <i32> [#uses=1] + %B = bitcast i32 %Y to i32 ; <i32> [#uses=1] + ; Convert to setne int %X, %Y + %c = icmp ne i32 %A, %B ; <i1> [#uses=1] + ret i1 %c } -int %test4(int %A) { - %B = cast int %A to uint - %C = shl uint %B, ubyte 2 - %D = cast uint %C to int - ret int %D +define i32 @test4(i32 %A) { + %B = bitcast i32 %A to i32 ; <i32> [#uses=1] + %C = shl i32 %B, 2 ; <i32> [#uses=1] + %D = bitcast i32 %C to i32 ; <i32> [#uses=1] + ret i32 %D } -short %test5(short %A) { - %B = cast short %A to uint - %C = and uint %B, 15 - %D = cast uint %C to short - ret short %D +define i16 @test5(i16 %A) { + %B = sext i16 %A to i32 ; <i32> [#uses=1] + %C = and i32 %B, 15 ; <i32> [#uses=1] + %D = trunc i32 %C to i16 ; <i16> [#uses=1] + ret i16 %D } -bool %test6(bool %A) { - %B = cast bool %A to int - %C = setne int %B, 0 - ret bool %C +define i1 @test6(i1 %A) { + %B = zext i1 %A to i32 ; <i32> [#uses=1] + %C = icmp ne i32 %B, 0 ; <i1> [#uses=1] + ret i1 %C } -bool %test6a(bool %A) { - %B = cast bool %A to int - %C = setne int %B, -1 ; Always true! - ret bool %C +define i1 @test6a(i1 %A) { + %B = zext i1 %A to i32 ; <i32> [#uses=1] + %C = icmp ne i32 %B, -1 ; <i1> [#uses=1] + ret i1 %C } -bool %test7(sbyte* %A) { - %B = cast sbyte* %A to int* - %C = seteq int* %B, null - ret bool %C +define i1 @test7(i8* %A) { + %B = bitcast i8* %A to i32* ; <i32*> [#uses=1] + %C = icmp eq i32* %B, null ; <i1> [#uses=1] + ret i1 %C } |