llvm-project/llvm/test/CodeGen/PowerPC/pr39478.ll

27 lines
833 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=powerpc64le-unknown-unknown -verify-machineinstrs < %s | \
; RUN: FileCheck %s
; RUN: llc -mtriple=powerpc64-unknown-unknown -verify-machineinstrs < %s | \
; RUN: FileCheck %s
define void @pr39478() {
; CHECK-LABEL: pr39478:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: lwz 3, 0(3)
; CHECK-NEXT: stb 3, 0(3)
; CHECK-NEXT: blr
entry:
%tmp32 = load i64, i64* undef, align 8
%tmp33 = load i32, i32* undef, 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* undef, align 4
ret void
}
declare i32 @llvm.bswap.i32(i32)