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TheRock/compiler/amd-llvm/llvm/test/Transforms/LoopVectorize/demanded-bits-of-pointer-instruction.ll
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derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

21 lines
490 B
LLVM

; RUN: opt < %s -passes=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 %v, ptr %ptr, ptr %ptr_end) {
start:
br label %loop
loop:
%ptr2 = phi ptr [ %ptr3, %loop ], [ %ptr, %start ]
%x = sext i8 %v to i64
%ptr3 = getelementptr inbounds i8, ptr %ptr2, i64 1
%cmp = icmp ult ptr %ptr3, %ptr_end
br i1 %cmp, label %loop, label %end
end:
ret void
}