llvm-6502/test/Other/2002-02-24-InlineBrokePHINodes.ll
Chris Lattner e7e764ca77 The verify pass is implicit
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3208 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-02 16:39:18 +00:00

27 lines
531 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
;
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