llvm-6502/test/Transforms/InstCombine/2003-06-05-BranchInvertInfLoop.ll

15 lines
376 B
LLVM
Raw Normal View History

; This testcase causes an infinite loop in the instruction combiner,
; because it things that the constant value is a not expression... and
; constantly inverts the branch back and forth.
;
; RUN: llvm-as < %s | opt -instcombine -disable-output
ubyte %test19(bool %c) {
br bool true, label %True, label %False
True:
ret ubyte 1
False:
ret ubyte 3
}