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llvm-mirror/test/Regression/Assembler/2002-08-22-DominanceProblem.ll

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2004-11-06 23:07:09 +01:00
; RUN: llvm-as < %s -o /dev/null -f
2002-08-22 22:30:06 +02:00
; Dominance relationships is not calculated correctly for unreachable blocks,
; which causes the verifier to barf on this input.
int %test(bool %b) {
BB0: ret int 7 ; Loop is unreachable
Loop:
%B = phi int [%B, %L2], [%B, %Loop] ; PHI has same value always.
br bool %b, label %L2, label %Loop
L2:
br label %Loop
}