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a376939c97
The warning would fire when calling getGEPCost for analyzing the cost of a GEP instruction. This would result in the use of the now deprecated implicit cast of TypeSize to uint64_t through the overloaded operator. This patch fixes the issue by using getKnownMinSize instead of the implicit cast. This is possible because the code is already scalable-vector aware. The semantic behaviour of the code is unchanged by this patch. Reviewed By: sdesmalen, fpetrogalli Differential Revision: https://reviews.llvm.org/D89872
16 lines
790 B
LLVM
16 lines
790 B
LLVM
; RUN: opt -cost-model -analyze -mtriple=aarch64--linux-gnu -mattr=+sve < %s 2>%t | FileCheck %s
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; RUN: FileCheck --check-prefix=WARN --allow-empty %s < %t
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; This regression test is verifying that a GEP instruction performed on a
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; scalable vector does not produce a 'assumption that TypeSize is not scalable'
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; warning when performing cost analysis.
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; If this check fails please read test/CodeGen/AArch64/README for instructions on how to resolve it.
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; WARN-NOT: warning: {{.*}}TypeSize is not scalable
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %retval = getelementptr
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define <vscale x 16 x i8>* @gep_scalable_vector(<vscale x 16 x i8>* %ptr) {
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%retval = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %ptr, i32 2
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ret <vscale x 16 x i8>* %retval
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}
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