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New testcase for PHI folding

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llvm-svn: 2495
This commit is contained in:
Chris Lattner 2002-05-06 17:43:38 +00:00
parent b40c1bf6f7
commit 8d68e13ccb
1 changed files with 17 additions and 0 deletions
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17
test/Regression/Transforms/InstCombine/phi.ll Normal file
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; This test makes sure that these instructions are properly eliminated.
;
; RUN: if as < %s | opt -instcombine -dce | dis | grep phi
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi
implementation
int "test1"(int %A) {
BB0: br label %BB1
BB1:
%B = phi int [%A, %BB0] ; Combine away one argument PHI nodes
ret int %B
}