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c83b5dc625
This patch expands FSQRT for floating point vector types when altivec is used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167034 91177308-0d34-0410-b5e6-96231b3b80d8
72 lines
2.4 KiB
LLVM
72 lines
2.4 KiB
LLVM
; RUN: llc -mcpu=pwr6 -mattr=+altivec,+fsqrt < %s | FileCheck %s
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; Check for vector sqrt expansion using floating-point types, since altivec
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; does not provide an fsqrt instruction for vector.
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target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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declare <2 x float> @llvm.sqrt.v2f32(<2 x float> %val)
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declare <4 x float> @llvm.sqrt.v4f32(<4 x float> %val)
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declare <8 x float> @llvm.sqrt.v8f32(<8 x float> %val)
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declare <2 x double> @llvm.sqrt.v2f64(<2 x double> %val)
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declare <4 x double> @llvm.sqrt.v4f64(<4 x double> %val)
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define <2 x float> @v2f32_sqrt(<2 x float> %x) nounwind readnone {
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entry:
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%sqrt = call <2 x float> @llvm.sqrt.v2f32 (<2 x float> %x)
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ret <2 x float> %sqrt
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}
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; sqrt (<2 x float>) is promoted to sqrt (<4 x float>)
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; CHECK: v2f32_sqrt:
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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define <4 x float> @v4f32_sqrt(<4 x float> %x) nounwind readnone {
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entry:
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%sqrt = call <4 x float> @llvm.sqrt.v4f32 (<4 x float> %x)
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ret <4 x float> %sqrt
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}
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; CHECK: v4f32_sqrt:
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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define <8 x float> @v8f32_sqrt(<8 x float> %x) nounwind readnone {
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entry:
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%sqrt = call <8 x float> @llvm.sqrt.v8f32 (<8 x float> %x)
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ret <8 x float> %sqrt
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}
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; CHECK: v8f32_sqrt:
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrts {{[0-9]+}}, {{[0-9]+}}
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define <2 x double> @v2f64_sqrt(<2 x double> %x) nounwind readnone {
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entry:
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%sqrt = call <2 x double> @llvm.sqrt.v2f64 (<2 x double> %x)
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ret <2 x double> %sqrt
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}
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; CHECK: v2f64_sqrt:
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; CHECK: fsqrt {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrt {{[0-9]+}}, {{[0-9]+}}
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define <4 x double> @v4f64_sqrt(<4 x double> %x) nounwind readnone {
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entry:
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%sqrt = call <4 x double> @llvm.sqrt.v4f64 (<4 x double> %x)
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ret <4 x double> %sqrt
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}
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; CHECK: v4f64_sqrt:
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; CHECK: fsqrt {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrt {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrt {{[0-9]+}}, {{[0-9]+}}
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; CHECK: fsqrt {{[0-9]+}}, {{[0-9]+}}
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