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llvm-mirror/test/Transforms/GlobalOpt/storepointer-compare.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

30 lines
780 B
LLVM

; RUN: opt < %s -globalopt -S | FileCheck %s
; CHECK: 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 ()*, 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
}