llvm/test/Other/2002-02-24-InlineBrokePHINodes.ll
Chris Lattner 664c953b39 Testcase for new bug
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1797 91177308-0d34-0410-b5e6-96231b3b80d8
2002-02-25 00:34:18 +00:00

27 lines
539 B
LLVM

; Inlining used to break PHI nodes. This tests that they are correctly updated
; when a node is split around the call instruction. The verifier caught the error.
;
; RUN: as < %s | opt -inline -verify
;
implementation
ulong "test"(ulong %X)
begin
ret ulong %X
end
ulong "fib"(ulong %n)
begin
%T = setlt ulong %n, 2 ; {bool}:0
br bool %T, label %BaseCase, label %RecurseCase
RecurseCase:
%result = call ulong %test(ulong %n)
br label %BaseCase
BaseCase:
%X = phi ulong [1, %0], [2, %RecurseCase]
ret ulong %X
end