llvm-6502/test/Transforms/InstSimplify/ashr-nop.ll
Suyog Sarda c84f22aac5 Move ashr optimization from InstCombineShift to InstSimplify.
Refactor code, no functionality change, test case moved from instcombine to instsimplify.

Differential Revision: http://reviews.llvm.org/D4102
 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213231 91177308-0d34-0410-b5e6-96231b3b80d8
2014-07-17 06:28:15 +00:00

11 lines
190 B
LLVM

; RUN: opt < %s -instsimplify -S | FileCheck %s
; CHECK-LABEL: @foo
; CHECK-NOT: ashr
define i32 @foo(i32 %x) {
%o = and i32 %x, 1
%n = add i32 %o, -1
%t = ashr i32 %n, 17
ret i32 %t
}