File: sink-and-fold-illegal-shift.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (17 lines) | stat: -rw-r--r-- 547 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
; RUN: llc -global-isel --aarch64-enable-sink-fold=true < %s | FileCheck %s

target triple = "aarch64-linux"

; Test a non-LSL shift cannot be folded into the addressing mode.
define void @f(ptr %p, i64 %i) optsize {
; CHECK-LABEL: f:
; CHECK:       // %bb.0:
; CHECK-NEXT:    add x8, x0, x1, asr #32
; CHECK-NEXT:    strb wzr, [x8]
; CHECK-NEXT:    ret
	%d = ashr i64 %i, 32
	%a = getelementptr i8, ptr %p, i64 %d
	store i8 0, ptr %a
	ret void
}