ppc-32bit-shift.ll
1000 Bytes
; 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) {
entry:
%conv = sext i32 %inta to i64
%shl = shl nsw i64 %conv, 8
store i64 %shl, i64* %long_intb, align 8
ret void
}
; CHECK-LABEL: foo:
; 32BIT-DAG: srawi [[REG1:[0-9]+]], [[REG2:[0-9]+]], 31
; 32BIT-DAG: rotlwi [[REG3:[0-9]+]], [[REG2]], 8
; 32BIT-DAG: slwi [[REG4:[0-9]+]], [[REG2]], 8
; 32BIT-DAG: rlwimi [[REG5:[0-9]+]], [[REG1]], 8, 0, 23
; 32BIT-DAG: stw [[REG4]], 4([[REG6:[0-9]+]])
; 32BIT-DAG: stw [[REG5]], 0([[REG6]])
; 32BIT: blr
; 64BIT: extswsli [[REG1:[0-9]+]], [[REG2:[0-9]+]], 8
; 64BIT-NEXT: std [[REG1]], 0([[REG3:[0-9]+]])
; 64BIT-NEXT: blr