22 lines
1.2 KiB
LLVM
22 lines
1.2 KiB
LLVM
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; Checks if widening instructions works for SVE
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; 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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; If this check fails please read test/CodeGen/AArch64/README for instructions on how to resolve it.
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; WARN-NOT: warning
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define <vscale x 4 x i32> @widening(<vscale x 16 x i8> %in, <vscale x 4 x i16> %in2) {
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; CHECK-LABEL: 'widening':
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; CHECK: Cost Model: Found an estimated cost of {{[0-9]+}} for instruction: %in.bc = bitcast <vscale x 16 x i8> %in to <vscale x 4 x i32>
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; CHECK-NEXT: Cost Model: Found an estimated cost of {{[0-9]+}} for instruction: %in2.ext = zext <vscale x 4 x i16> %in2 to <vscale x 4 x i32>
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; CHECK-NEXT: Cost Model: Found an estimated cost of {{[0-9]+}} for instruction: %in.add = add <vscale x 4 x i32> %in.bc, %in2.ext
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; CHECK-NEXT: Cost Model: Found an estimated cost of {{[0-9]+}} for instruction: ret <vscale x 4 x i32> %in.add
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%in.bc = bitcast <vscale x 16 x i8> %in to <vscale x 4 x i32>
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%in2.ext = zext <vscale x 4 x i16> %in2 to <vscale x 4 x i32>
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%in.add = add <vscale x 4 x i32> %in.bc, %in2.ext
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ret <vscale x 4 x i32> %in.add
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}
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