YouCompleteMe/cpp/llvm/test/Transforms/InstCombine/2008-01-29-AddICmp.ll
2012-07-05 17:51:06 -07:00

21 lines
529 B
LLVM

; RUN: opt < %s -instcombine -S | not grep {a.off}
; PR1949
define i1 @test1(i32 %a) {
%a.off = add i32 %a, 4 ; <i32> [#uses=1]
%C = icmp ult i32 %a.off, 4 ; <i1> [#uses=1]
ret i1 %C
}
define i1 @test2(i32 %a) {
%a.off = sub i32 %a, 4 ; <i32> [#uses=1]
%C = icmp ugt i32 %a.off, -5 ; <i1> [#uses=1]
ret i1 %C
}
define i1 @test3(i32 %a) {
%a.off = add i32 %a, 4 ; <i32> [#uses=1]
%C = icmp slt i32 %a.off, 2147483652 ; <i1> [#uses=1]
ret i1 %C
}