File: isel-sink.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (22 lines) | stat: -rw-r--r-- 493 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
; RUN: llc < %s -mtriple=i686-- | FileCheck %s

define i32 @test(i32* %X, i32 %B) {
; CHECK-LABEL: test:
; CHECK-NOT: ret
; CHECK-NOT: lea
; CHECK: mov{{.}} $4, ({{.*}},{{.*}},4)
; CHECK: ret
; CHECK: mov{{.}} ({{.*}},{{.*}},4),
; CHECK: ret

	; This gep should be sunk out of this block into the load/store users.
	%P = getelementptr i32, i32* %X, i32 %B
	%G = icmp ult i32 %B, 1234
	br i1 %G, label %T, label %F
T:
	store i32 4, i32* %P
	ret i32 141
F:
	%V = load i32, i32* %P
	ret i32 %V
}