llvm-project/llvm/test/CodeGen/PowerPC/rlwimi-and-or-bits.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

28 lines
604 B
LLVM

; RUN: llc -verify-machineinstrs < %s | FileCheck %s
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
@m = external global i32, align 4
; Function Attrs: nounwind
define signext i32 @main() #0 {
entry:
; CHECK-LABEL: @main
; CHECK-NOT: rlwimi
; CHECK: andi
%0 = load i32, ptr @m, align 4
%or = or i32 %0, 250
store i32 %or, ptr @m, align 4
%and = and i32 %or, 249
%sub.i = sub i32 %and, 0
%sext = shl i32 %sub.i, 24
%conv = ashr exact i32 %sext, 24
ret i32 %conv
}
attributes #0 = { nounwind "target-cpu"="pwr7" }
attributes #1 = { nounwind }