llvm/test/Other/2002-02-24-InlineBrokePHINodes.ll
2006-12-02 04:23:10 +00:00

27 lines
551 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: llvm-upgrade < %s | llvm-as | opt -inline
;
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