File: pseudo-probe-cse.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (28 lines) | stat: -rw-r--r-- 683 bytes parent folder | download | duplicates (4)
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
; RUN: opt < %s -S -early-cse-memssa | FileCheck %s

define i16 @f1() readonly {
  ret i16 0
}

declare void @f2()

; Check that EarlyCSE correctly handles pseudo probes that don't have
; a MemoryAccess. 

define void @f3() {
; CHECK-LABEL: @f3(
; CHECK-NEXT:    [[CALL1:%.*]] = call i16 @f1()
; CHECK-NEXT:    call void @llvm.pseudoprobe
; CHECK-NEXT:    ret void
;
  %call1 = call i16 @f1()
  call void @llvm.pseudoprobe(i64 6878943695821059507, i64 9, i32 0, i64 -1)
  %call2 = call i16 @f1()
  ret void
}


; Function Attrs: inaccessiblememonly nounwind willreturn
declare void @llvm.pseudoprobe(i64, i64, i32, i64) #0

attributes #0 = { inaccessiblememonly nounwind willreturn }