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; I'm not really sure if instcombine should do things like these. LevelRaise
; already sufficiently takes care of these cases, but level raise is really
; slow. Might it be better to make there be an instcombine prepass before
; level raise that takes care of the obvious stuff?
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep cast
bool %test1(int %X) {
%A = cast int %X to uint
%c = setne uint %A, 12 ; Convert to setne int %X, 12
ret bool %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
}
bool %test3(int %A, int %B) {
%cond216 = setlt int %A, %B ; <bool> [#uses=1]
%cst109 = cast bool %cond216 to uint ; <uint> [#uses=1]
%cond219 = setgt int %A, %B ; <bool> [#uses=1]
%cst111 = cast bool %cond219 to uint ; <uint> [#uses=1]
%reg113 = and uint %cst109, %cst111 ; <uint> [#uses=1]
%cst222 = cast uint %reg113 to bool ; <int> [#uses=1]
ret bool %cst222
}
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
}
short %test5(short %A) {
%B = cast short %A to uint
%C = and uint %B, 15
%D = cast uint %C to short
ret short %D
}
bool %test6(bool %A) {
%B = cast bool %A to int
%C = setne int %B, 0
ret bool %C
}
bool %test6a(bool %A) {
%B = cast bool %A to int
%C = setne int %B, -1 ; Always true!
ret bool %C
}
bool %test7(sbyte* %A) {
%B = cast sbyte* %A to int*
%C = seteq int* %B, null
ret bool %C
}
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