llvm-6502/test/Assembler/2002-08-22-DominanceProblem.ll
Tanya Lattner 6e9bceea97 Remove llvm-upgrade
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47119 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-14 07:57:12 +00:00

18 lines
461 B
LLVM

; RUN: llvm-as < %s -o /dev/null -f
; Dominance relationships is not calculated correctly for unreachable blocks,
; which causes the verifier to barf on this input.
define i32 @test(i1 %b) {
BB0:
ret i32 7 ; Loop is unreachable
Loop: ; preds = %L2, %Loop
%B = phi i32 [ %B, %L2 ], [ %B, %Loop ] ;PHI has same value always.
br i1 %b, label %L2, label %Loop
L2: ; preds = %Loop
br label %Loop
}