llvm-project/llvm/test/CodeGen/PowerPC/ppc-32bit-shift.ll

30 lines
908 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -mtriple=powerpc \
; RUN: -mcpu=pwr9 < %s | FileCheck %s --check-prefix=32BIT
; RUN: llc -verify-machineinstrs -mtriple=powerpc64 \
; RUN: -mcpu=pwr9 < %s | FileCheck %s --check-prefix=64BIT
define dso_local void @foo(i32 %inta, i64* %long_intb) {
; 32BIT-LABEL: foo:
; 32BIT: # %bb.0: # %entry
; 32BIT-NEXT: srawi 5, 3, 31
; 32BIT-NEXT: rotlwi 6, 3, 8
; 32BIT-NEXT: slwi 3, 3, 8
; 32BIT-NEXT: rlwimi 6, 5, 8, 0, 23
; 32BIT-NEXT: stw 3, 4(4)
; 32BIT-NEXT: stw 6, 0(4)
; 32BIT-NEXT: blr
;
; 64BIT-LABEL: foo:
; 64BIT: # %bb.0: # %entry
; 64BIT-NEXT: extswsli 3, 3, 8
; 64BIT-NEXT: std 3, 0(4)
; 64BIT-NEXT: blr
entry:
%conv = sext i32 %inta to i64
%shl = shl nsw i64 %conv, 8
store i64 %shl, i64* %long_intb, align 8
ret void
}