llvm-6502/test/Transforms/InstCombine/phi.ll
Chris Lattner fee97e83ce Make the testcase more interesting so that DCE does not eliminate it.
Use DIE instead of DCE anyway


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2500 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-06 17:59:23 +00:00

20 lines
398 B
LLVM

; This test makes sure that these instructions are properly eliminated.
;
; RUN: if as < %s | opt -instcombine -die | dis | grep phi
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi
implementation
int "test1"(int %A, bool %b) {
BB0: br bool %b, label %BB1, label %BB2
BB1:
%B = phi int [%A, %BB0] ; Combine away one argument PHI nodes
ret int %B
BB2:
ret int %A
}