File: 2002-05-21-NoSharedDominator.ll

package info (click to toggle)
llvm 2.2-12
  • links: PTS, VCS
  • area: main
  • in suites: lenny
  • size: 38,648 kB
  • ctags: 28,258
  • sloc: cpp: 215,479; sh: 12,132; ansic: 10,002; yacc: 5,525; perl: 2,352; ml: 1,580; makefile: 956; pascal: 718; lex: 602; exp: 320; ada: 193; lisp: 160; csh: 116; objc: 59; python: 59; tcl: 20
file content (13 lines) | stat: -rw-r--r-- 322 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
 
; This testcase shows a bug where an common subexpression exists, but there
; is no shared dominator block that the expression can be hoisted out to.
;
; RUN: llvm-upgrade < %s | llvm-as | opt -gcse | llvm-dis

int "test"(int %X, int %Y) {
	%Z = add int %X, %Y
	ret int %Z

Unreachable:
	%Q = add int %X, %Y
	ret int %Q
}