Kai Nacke 5403c59c60 [PPC] Opaque pointer migration, part 2.
The LIT test cases were migrated with the script provided by
Nikita Popov. Due to the size of the change it is split into
several parts.

Reviewed By: nemanja, nikic

Differential Revision: https://reviews.llvm.org/D135474
2022-10-11 17:24:06 +00:00

24 lines
836 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(ptr %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, ptr %p, i64 %idxprom
%0 = load i32, ptr %arrayidx, align 4
ret i32 %0
}