| ; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc-unknown-linux-gnu | FileCheck %s |
| ; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu | FileCheck %s |
| ; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64le-unknown-linux-gnu | FileCheck %s |
| |
| ; Test case for PPCTargetLowering::extendSubTreeForBitPermutation. |
| ; We expect mask and rotate are folded into a rlwinm instruction. |
| |
| define zeroext i32 @func(i32* %p, i32 zeroext %i) { |
| ; CHECK-LABEL: @func |
| ; CHECK: addi [[REG1:[0-9]+]], 4, 1 |
| ; CHECK: rlwinm [[REG2:[0-9]+]], [[REG1]], 2, 22, 29 |
| ; CHECK-NOT: sldi |
| ; CHECK: lwzx 3, 3, [[REG2]] |
| ; CHECK: blr |
| entry: |
| %add = add i32 %i, 1 |
| %and = and i32 %add, 255 |
| %idxprom = zext i32 %and to i64 |
| %arrayidx = getelementptr inbounds i32, i32* %p, i64 %idxprom |
| %0 = load i32, i32* %arrayidx, align 4 |
| ret i32 %0 |
| } |
| |