File: PHINode.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 (15 lines) | stat: -rw-r--r-- 512 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
; -simplifycfg -simplifycfg-require-and-preserve-domtree=1 is not folding blocks if there is a PHI node involved.  This
; should be fixed eventually

; RUN: opt < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s

define i32 @main(i32 %argc) {
; <label>:0
; CHECK-NOT: br label %InlinedFunctionReturnNode
	br label %InlinedFunctionReturnNode
InlinedFunctionReturnNode:		; preds = %0
	%X = phi i32 [ 7, %0 ]		; <i32> [#uses=1]
	%Y = add i32 %X, %argc		; <i32> [#uses=1]
	ret i32 %Y
}