File: 2003-08-26-InvokeHandling.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (23 lines) | stat: -rw-r--r-- 635 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
23
 
; The PHI cannot be eliminated from this testcase, SCCP is mishandling invoke's!
; RUN: opt < %s -passes=sccp -S | grep phi

declare void @foo()

define i32 @test(i1 %cond) personality ptr @__gxx_personality_v0 {
Entry:
	br i1 %cond, label %Inv, label %Cont
Inv:		; preds = %Entry
	invoke void @foo( )
			to label %Ok unwind label %LPad
Ok:		; preds = %Inv
	br label %Cont
LPad:
        %val = landingpad { ptr, i32 }
                 catch ptr null
        br label %Cont
Cont:		; preds = %Ok, %Inv, %Entry
	%X = phi i32 [ 0, %Entry ], [ 1, %Ok ], [ 0, %LPad ]		; <i32> [#uses=1]
	ret i32 %X
}

declare i32 @__gxx_personality_v0(...)