blob: b6d751d6f2fdf3d8dc5f52faad584d36daf3be0e [file] [log] [blame]
; 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
}