llvm/test/Other/2002-02-24-InlineBrokePHINodes.ll
Tanya Lattner 2ad38be2cf Remove llvm-upgrade and update tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47297 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-19 01:44:26 +00:00

24 lines
593 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-as < %s | opt -inline
;
define i64 @test(i64 %X) {
ret i64 %X
}
define i64 @fib(i64 %n) {
; <label>:0
%T = icmp ult i64 %n, 2 ; <i1> [#uses=1]
br i1 %T, label %BaseCase, label %RecurseCase
RecurseCase: ; preds = %0
%result = call i64 @test( i64 %n ) ; <i64> [#uses=0]
br label %BaseCase
BaseCase: ; preds = %RecurseCase, %0
%X = phi i64 [ 1, %0 ], [ 2, %RecurseCase ] ; <i64> [#uses=1]
ret i64 %X
}