llvm-6502/test/CodeGen/R600/llvm.round.ll
Jan Vesely 286f644bce R600: Fix FROUND
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
2014-09-05 14:26:54 +00:00

44 lines
1.3 KiB
LLVM

; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck %s --check-prefix=R600 --check-prefix=FUNC
; FUNC-LABEL: @f32
; R600: FRACT {{.*}}, [[ARG:KC[0-9]\[[0-9]+\]\.[XYZW]]]
; R600-DAG: ADD {{.*}}, -0.5
; R600-DAG: CEIL {{.*}} [[ARG]]
; R600-DAG: FLOOR {{.*}} [[ARG]]
; R600-DAG: CNDGE
; R600-DAG: CNDGT
; R600: CNDGE {{[^,]+}}, [[ARG]]
define void @f32(float addrspace(1)* %out, float %in) {
entry:
%0 = call float @llvm.round.f32(float %in)
store float %0, float addrspace(1)* %out
ret void
}
; The vector tests are really difficult to verify, since it can be hard to
; predict how the scheduler will order the instructions. We already have
; a test for the scalar case, so the vector tests just check that the
; compiler doesn't crash.
; FUNC-LABEL: v2f32
; R600: CF_END
define void @v2f32(<2 x float> addrspace(1)* %out, <2 x float> %in) {
entry:
%0 = call <2 x float> @llvm.round.v2f32(<2 x float> %in)
store <2 x float> %0, <2 x float> addrspace(1)* %out
ret void
}
; FUNC-LABEL: v4f32
; R600: CF_END
define void @v4f32(<4 x float> addrspace(1)* %out, <4 x float> %in) {
entry:
%0 = call <4 x float> @llvm.round.v4f32(<4 x float> %in)
store <4 x float> %0, <4 x float> addrspace(1)* %out
ret void
}
declare float @llvm.round.f32(float)
declare <2 x float> @llvm.round.v2f32(<2 x float>)
declare <4 x float> @llvm.round.v4f32(<4 x float>)