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https://github.com/c64scene-ar/llvm-6502.git
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692ee102eb
* Added R600_Reg64 class
* Added T#Index#.XY registers definition
* Added v2i32 register reads from parameter and global space
* Added f32 and i32 elements extraction from v2f32 and v2i32
* Added v2i32 -> v2f32 conversions
Tom Stellard:
- Mark vec2 operations as expand. The addition of a vec2 register
class made them all legal.
Patch by: Dmitry Cherkassov
Signed-off-by: Dmitry Cherkassov <dcherkassov@gmail.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187582 91177308-0d34-0410-b5e6-96231b3b80d8
41 lines
1.4 KiB
LLVM
41 lines
1.4 KiB
LLVM
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
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; CHECK: @fsub_f32
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; CHECK: ADD * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], -T[0-9]+\.[XYZW]}}
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define void @fsub_f32() {
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%r0 = call float @llvm.R600.load.input(i32 0)
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%r1 = call float @llvm.R600.load.input(i32 1)
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%r2 = fsub float %r0, %r1
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call void @llvm.AMDGPU.store.output(float %r2, i32 0)
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ret void
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}
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declare float @llvm.R600.load.input(i32) readnone
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declare void @llvm.AMDGPU.store.output(float, i32)
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; CHECK: @fsub_v2f32
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; CHECK-DAG: ADD * T{{[0-9]+\.[XYZW]}}, KC0[3].X, -KC0[3].Z
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; CHECK-DAG: ADD * T{{[0-9]+\.[XYZW]}}, KC0[2].W, -KC0[3].Y
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define void @fsub_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %a, <2 x float> %b) {
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entry:
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%0 = fsub <2 x float> %a, %b
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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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; CHECK: @fsub_v4f32
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; CHECK: ADD T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], -T[0-9]+\.[XYZW]}}
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; CHECK: ADD * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], -T[0-9]+\.[XYZW]}}
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; CHECK: ADD * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], -T[0-9]+\.[XYZW]}}
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; CHECK: ADD * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], -T[0-9]+\.[XYZW]}}
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define void @fsub_v4f32(<4 x float> addrspace(1)* %out, <4 x float> addrspace(1)* %in) {
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%b_ptr = getelementptr <4 x float> addrspace(1)* %in, i32 1
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%a = load <4 x float> addrspace(1) * %in
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%b = load <4 x float> addrspace(1) * %b_ptr
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%result = fsub <4 x float> %a, %b
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store <4 x float> %result, <4 x float> addrspace(1)* %out
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ret void
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}
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