llvm-project/llvm/test/CodeGen/PowerPC/rlwimi-keep-rsh.ll
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

29 lines
660 B
LLVM

; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc-unknown-linux-gnu | FileCheck %s
; Formerly dropped the RHS of %tmp6 when constructing rlwimi.
; 7346117
@foo = external global i32
define void @xxx(i32 %a, i32 %b, i32 %c, i32 %d) nounwind optsize {
; CHECK: xxx:
; CHECK: or
; CHECK: and
; CHECK: rlwimi
entry:
%tmp0 = ashr i32 %d, 31
%tmp1 = and i32 %tmp0, 255
%tmp2 = xor i32 %tmp1, 255
%tmp3 = ashr i32 %b, 31
%tmp4 = ashr i32 %a, 4
%tmp5 = or i32 %tmp3, %tmp4
%tmp6 = and i32 %tmp2, %tmp5
%tmp7 = shl i32 %c, 8
%tmp8 = or i32 %tmp6, %tmp7
store i32 %tmp8, ptr @foo, align 4
br label %return
return:
ret void
; CHECK: blr
}