forked from OSchip/llvm-project
24 lines
839 B
LLVM
24 lines
839 B
LLVM
; 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
|
|
}
|
|
|