File: ppc-32bit-shift.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (29 lines) | stat: -rw-r--r-- 906 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
; 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, ptr %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, ptr %long_intb, align 8
    ret void
}