llvm-6502/test/Transforms/InstCombine/2008-07-11-RemAnd.ll
Nick Lewycky 3ac9e109b2 Enhance analysis of srem.
Remove dead code analyzing urem. 'urem' of power-of-2 is canonicalized to an
'and' instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53506 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-12 05:04:38 +00:00

10 lines
203 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep rem
; PR2330
define i32 @a(i32 %b) nounwind {
entry:
srem i32 %b, 8 ; <i32>:0 [#uses=1]
and i32 %0, 1 ; <i32>:1 [#uses=1]
ret i32 %1
}