llvm-project/llvm/test/Transforms/InstCombine/2002-05-14-SubFailure.ll

12 lines
316 B
LLVM

; Instcombine was missing a test that caused it to make illegal transformations
; sometimes. In this case, it transforms the sub into an add:
; RUN: opt < %s -instcombine -S | FileCheck %s
; CHECK: sub
define i32 @test(i32 %i, i32 %j) {
%A = mul i32 %i, %j
%B = sub i32 2, %A
ret i32 %B
}