forked from OSchip/llvm-project
27 lines
1.0 KiB
LLVM
27 lines
1.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -mattr=+neon -fp-contract=fast | FileCheck %s
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; This is testing that we can scalarize the v1f16 input to fp_extend even
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; though the v1f64 result is legal.
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define <1 x double> @fpext_v1f16_v1f64(<1 x half>* %a) {
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; CHECK-LABEL: fpext_v1f16_v1f64:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldr h0, [x0]
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; CHECK-NEXT: fcvt d0, h0
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; CHECK-NEXT: ret
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%b = load <1 x half>, <1 x half>* %a
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%c = fpext <1 x half> %b to <1 x double>
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ret <1 x double> %c
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}
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define <1 x double> @strict_fpext_v1f32_v1f64(<1 x half> %x) #0 {
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; CHECK-LABEL: strict_fpext_v1f32_v1f64:
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; CHECK: // %bb.0:
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; CHECK-NEXT: fcvt d0, h0
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; CHECK-NEXT: ret
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%val = call <1 x double> @llvm.experimental.constrained.fpext.v1f64.v1f16(<1 x half> %x, metadata !"fpexcept.strict") strictfp
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ret <1 x double> %val
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}
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declare <1 x double> @llvm.experimental.constrained.fpext.v1f64.v1f16(<1 x half>, metadata)
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