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llvm-mirror/test/Transforms/GlobalOpt/storepointer-compare.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

31 lines
767 B
LLVM

; RUN: opt < %s -globalopt -S | \
; RUN: grep {call void @Actual}
; Check that a comparison does not prevent an indirect call from being made
; direct. The global will still remain, but indirect call elim is still good.
@G = internal global void ()* null ; <void ()**> [#uses=2]
define internal void @Actual() {
ret void
}
define void @init() {
store void ()* @Actual, void ()** @G
ret void
}
define void @doit() {
%FP = load void ()** @G ; <void ()*> [#uses=2]
%CC = icmp eq void ()* %FP, null ; <i1> [#uses=1]
br i1 %CC, label %isNull, label %DoCall
DoCall: ; preds = %0
call void %FP( )
ret void
isNull: ; preds = %0
ret void
}