llvm-project/llvm/test/Transforms/InstCombine/2008-01-21-MismatchedCastAn...

18 lines
437 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | notcast
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep {icmp s}
; PR1940
define i1 @test1(i8 %A, i8 %B) {
%a = zext i8 %A to i32
%b = zext i8 %B to i32
%c = icmp sgt i32 %a, %b
ret i1 %c
}
define i1 @test2(i8 %A, i8 %B) {
%a = sext i8 %A to i32
%b = sext i8 %B to i32
%c = icmp ugt i32 %a, %b
ret i1 %c
}