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286f644bce
round halfway cases away from zero Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu> Reviewed-by: Tom Stellard <tom@stellard.net> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217250 91177308-0d34-0410-b5e6-96231b3b80d8
44 lines
1.3 KiB
LLVM
44 lines
1.3 KiB
LLVM
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck %s --check-prefix=R600 --check-prefix=FUNC
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; FUNC-LABEL: @f32
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; R600: FRACT {{.*}}, [[ARG:KC[0-9]\[[0-9]+\]\.[XYZW]]]
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; R600-DAG: ADD {{.*}}, -0.5
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; R600-DAG: CEIL {{.*}} [[ARG]]
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; R600-DAG: FLOOR {{.*}} [[ARG]]
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; R600-DAG: CNDGE
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; R600-DAG: CNDGT
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; R600: CNDGE {{[^,]+}}, [[ARG]]
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define void @f32(float addrspace(1)* %out, float %in) {
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entry:
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%0 = call float @llvm.round.f32(float %in)
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store float %0, float addrspace(1)* %out
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ret void
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}
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; The vector tests are really difficult to verify, since it can be hard to
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; predict how the scheduler will order the instructions. We already have
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; a test for the scalar case, so the vector tests just check that the
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; compiler doesn't crash.
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; FUNC-LABEL: v2f32
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; R600: CF_END
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define void @v2f32(<2 x float> addrspace(1)* %out, <2 x float> %in) {
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entry:
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%0 = call <2 x float> @llvm.round.v2f32(<2 x float> %in)
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store <2 x float> %0, <2 x float> addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: v4f32
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; R600: CF_END
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define void @v4f32(<4 x float> addrspace(1)* %out, <4 x float> %in) {
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entry:
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%0 = call <4 x float> @llvm.round.v4f32(<4 x float> %in)
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store <4 x float> %0, <4 x float> addrspace(1)* %out
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ret void
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}
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declare float @llvm.round.f32(float)
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declare <2 x float> @llvm.round.v2f32(<2 x float>)
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declare <4 x float> @llvm.round.v4f32(<4 x float>)
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