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 24
