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new testcase

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llvm-svn: 33233
This commit is contained in:
Chris Lattner 2007-01-15 07:29:29 +00:00
parent d4a0c800f4
commit 1140c5c398
1 changed files with 12 additions and 0 deletions
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12
test/Regression/Transforms/InstCombine/phi.ll
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@ -1,6 +1,7 @@
; This test makes sure that these instructions are properly eliminated.
;
; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine -disable-output &&
; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | not grep phi
implementation
@ -65,3 +66,14 @@ BB2:
ret uint %B
}
int %test7(int %A, bool %b) {
BB0: br label %Loop
Loop:
%B = phi int [%A, %BB0], [%C, %Loop] ; PHI is dead.
%C = add int %B, 123
br bool %b, label %Loop, label %Exit
Exit:
ret int 0
}