llvm-6502/test/Transforms/InstCombine/2002-12-05-MissedConstProp.ll
2008-03-01 09:15:35 +00:00

12 lines
421 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep add
define i32 @test(i32 %A) {
%A.neg = sub i32 0, %A ; <i32> [#uses=1]
%.neg = sub i32 0, 1 ; <i32> [#uses=1]
%X = add i32 %.neg, 1 ; <i32> [#uses=1]
%Y.neg.ra = add i32 %A, %X ; <i32> [#uses=1]
%r = add i32 %A.neg, %Y.neg.ra ; <i32> [#uses=1]
ret i32 %r
}