File: memdep-block-scan-limit.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 (15 lines) | stat: -rw-r--r-- 429 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
; RUN: opt -S -memdep -gvn -basic-aa < %s | FileCheck %s
; RUN: opt -S -memdep -memdep-block-scan-limit=1 -gvn -basic-aa < %s | FileCheck %s --check-prefix=WITH-LIMIT
; CHECK-LABEL: @test(
; CHECK: load
; CHECK-NOT: load
; WITH-LIMIT-LABEL: @test(
; WITH-LIMIT-CHECK: load
; WITH-LIMIT-CHECK: load
define i32 @test(i32* %p) {
 %1 = load i32, i32* %p
 %2 = add i32 %1, 3
 %3 = load i32, i32* %p
 %4 = add i32 %2, %3
 ret i32 %4
}