Files
clang-p2996/llvm/test/CodeGen/PowerPC/pr39478.ll
Qiu Chaofan 2d9890775f [PowerPC] [NFC] Add AIX triple to some regression tests
As part of the effort to improve AIX support, regression test coverage
misses quite a lot for AIX subtarget. This patch adds AIX triple to
those don't need extra change, and we can cover more cases in following
commits.

Reviewed By: steven.zhang

Differential Revision: https://reviews.llvm.org/D94159
2021-01-18 11:44:00 +08:00

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(i64* %p64, i32* %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, i64* %p64, align 8
%tmp33 = load i32, i32* %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, i32* %p32, align 4
ret void
}
declare i32 @llvm.bswap.i32(i32)