1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; All of these ands and shifts should be folded into rlw[i]nm instructions
3 ; RUN: llc < %s -verify-machineinstrs -mtriple=ppc32-- | FileCheck %s
5 define i32 @test1(i32 %X, i32 %Y) {
7 ; CHECK: # %bb.0: # %entry
8 ; CHECK-NEXT: rlwnm 3, 3, 4, 25, 31
11 %tmp = trunc i32 %Y to i8 ; <i8> [#uses=2]
12 %tmp1 = shl i32 %X, %Y ; <i32> [#uses=1]
13 %tmp2 = sub i32 32, %Y ; <i8> [#uses=1]
14 %tmp3 = lshr i32 %X, %tmp2 ; <i32> [#uses=1]
15 %tmp4 = or i32 %tmp1, %tmp3 ; <i32> [#uses=1]
16 %tmp6 = and i32 %tmp4, 127 ; <i32> [#uses=1]
20 define i32 @test2(i32 %X) {
22 ; CHECK: # %bb.0: # %entry
23 ; CHECK-NEXT: rlwinm 3, 3, 5, 25, 31
26 %tmp1 = lshr i32 %X, 27 ; <i32> [#uses=1]
27 %tmp2 = shl i32 %X, 5 ; <i32> [#uses=1]
28 %tmp2.masked = and i32 %tmp2, 96 ; <i32> [#uses=1]
29 %tmp5 = or i32 %tmp1, %tmp2.masked ; <i32> [#uses=1]