| Hiroshi Inoue | dcedd66 | 2017-10-02 09:24:00 +0000 | [diff] [blame] | 1 | ; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc-unknown-linux-gnu | FileCheck %s |
| 2 | ; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu | FileCheck %s |
| 3 | ; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64le-unknown-linux-gnu | FileCheck %s |
| 4 | |
| 5 | ; Test case for PPCTargetLowering::extendSubTreeForBitPermutation. |
| 6 | ; We expect mask and rotate are folded into a rlwinm instruction. |
| 7 | |
| 8 | define zeroext i32 @func(i32* %p, i32 zeroext %i) { |
| 9 | ; CHECK-LABEL: @func |
| 10 | ; CHECK: addi [[REG1:[0-9]+]], 4, 1 |
| 11 | ; CHECK: rlwinm [[REG2:[0-9]+]], [[REG1]], 2, 22, 29 |
| 12 | ; CHECK-NOT: sldi |
| 13 | ; CHECK: lwzx 3, 3, [[REG2]] |
| 14 | ; CHECK: blr |
| 15 | entry: |
| 16 | %add = add i32 %i, 1 |
| 17 | %and = and i32 %add, 255 |
| 18 | %idxprom = zext i32 %and to i64 |
| 19 | %arrayidx = getelementptr inbounds i32, i32* %p, i64 %idxprom |
| 20 | %0 = load i32, i32* %arrayidx, align 4 |
| 21 | ret i32 %0 |
| 22 | } |
| 23 | |