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llvm-mirror/test/Transforms/LoopVectorize/demanded-bits-of-pointer-instruction.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

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479 B
LLVM

; RUN: opt < %s -loop-vectorize -S | FileCheck %s
; getDemandedBits() is called on the pointer-typed GEP instruction here.
; Only make sure we do not crash.
; CHECK: @test
define void @test(i8* %ptr, i8* %ptr_end) {
start:
br label %loop
loop:
%ptr2 = phi i8* [ %ptr3, %loop ], [ %ptr, %start ]
%x = sext i8 undef to i64
%ptr3 = getelementptr inbounds i8, i8* %ptr2, i64 1
%cmp = icmp ult i8* %ptr3, %ptr_end
br i1 %cmp, label %loop, label %end
end:
ret void
}