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

32 lines
1.1 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=powerpc64le-unknown-unknown -verify-machineinstrs | FileCheck %s --check-prefix=CHECKLE
; RUN: llc < %s -mtriple=powerpc64-unknown-unknown -verify-machineinstrs | FileCheck %s --check-prefix=CHECKBE
; RUN: llc < %s -mtriple=powerpc64-ibm-aix-xcoff -verify-machineinstrs | FileCheck %s --check-prefix=CHECKBE
define void @pr39478(ptr %p64, ptr %p32) {
; CHECKLE-LABEL: pr39478:
; CHECKLE: # %bb.0: # %entry
; CHECKLE-NEXT: lbz 3, 4(3)
; CHECKLE-NEXT: stb 3, 0(4)
; CHECKLE-NEXT: blr
;
; CHECKBE-LABEL: pr39478:
; CHECKBE: # %bb.0: # %entry
; CHECKBE-NEXT: lbz 3, 3(3)
; CHECKBE-NEXT: stb 3, 3(4)
; CHECKBE-NEXT: blr
entry:
%tmp32 = load i64, ptr %p64, align 8
%tmp33 = load i32, ptr %p32, align 4
%tmp34 = and i32 %tmp33, -256
%tmp35 = lshr i64 %tmp32, 32
%tmp36 = shl nuw nsw i64 %tmp35, 24
%tmp37 = trunc i64 %tmp36 to i32
%tmp38 = call i32 @llvm.bswap.i32(i32 %tmp37)
%tmp39 = or i32 %tmp38, %tmp34
store i32 %tmp39, ptr %p32, align 4
ret void
}
declare i32 @llvm.bswap.i32(i32)