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R600: Expand vector fexp2 

llvm-svn: 211375
This commit is contained in:
Tom Stellard 2014-06-20 17:06:05 +00:00
parent de16a2e59f
commit 5222a88653
3 changed files with 100 additions and 20 deletions
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1
llvm/lib/Target/R600/AMDGPUISelLowering.cpp
View File

@ -320,6 +320,7 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
setOperationAction(ISD::FCEIL, VT, Expand);
setOperationAction(ISD::FCOS, VT, Expand);
setOperationAction(ISD::FDIV, VT, Expand);
setOperationAction(ISD::FEXP2, VT, Expand);
setOperationAction(ISD::FPOW, VT, Expand);
setOperationAction(ISD::FFLOOR, VT, Expand);
setOperationAction(ISD::FTRUNC, VT, Expand);

26
llvm/test/CodeGen/R600/input-mods.ll Normal file
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@ -0,0 +1,26 @@
;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=EG-CHECK
;RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck %s --check-prefix=CM-CHECK
;EG-CHECK-LABEL: @test
;EG-CHECK: EXP_IEEE *
;CM-CHECK-LABEL: @test
;CM-CHECK: EXP_IEEE T{{[0-9]+}}.X, -|T{{[0-9]+}}.X|
;CM-CHECK: EXP_IEEE T{{[0-9]+}}.Y (MASKED), -|T{{[0-9]+}}.X|
;CM-CHECK: EXP_IEEE T{{[0-9]+}}.Z (MASKED), -|T{{[0-9]+}}.X|
;CM-CHECK: EXP_IEEE * T{{[0-9]+}}.W (MASKED), -|T{{[0-9]+}}.X|
define void @test(<4 x float> inreg %reg0) #0 {
%r0 = extractelement <4 x float> %reg0, i32 0
%r1 = call float @llvm.fabs.f32(float %r0)
%r2 = fsub float -0.000000e+00, %r1
%r3 = call float @llvm.exp2.f32(float %r2)
%vec = insertelement <4 x float> undef, float %r3, i32 0
call void @llvm.R600.store.swizzle(<4 x float> %vec, i32 0, i32 0)
ret void
}
declare float @llvm.exp2.f32(float) readnone
declare float @llvm.fabs.f32(float) readnone
declare void @llvm.R600.store.swizzle(<4 x float>, i32, i32)
attributes #0 = { "ShaderType"="0" }

93
llvm/test/CodeGen/R600/llvm.exp2.ll
View File

@ -1,26 +1,79 @@
;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=EG-CHECK
;RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck %s --check-prefix=CM-CHECK
;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=EG-CHECK --check-prefix=FUNC
;RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck %s --check-prefix=CM-CHECK --check-prefix=FUNC
;RUN: llc < %s -march=r600 -mcpu=SI | FileCheck %s --check-prefix=SI-CHECK --check-prefix=FUNC
;EG-CHECK-LABEL: @test
;EG-CHECK: EXP_IEEE *
;CM-CHECK-LABEL: @test
;CM-CHECK: EXP_IEEE T{{[0-9]+}}.X, -|T{{[0-9]+}}.X|
;CM-CHECK: EXP_IEEE T{{[0-9]+}}.Y (MASKED), -|T{{[0-9]+}}.X|
;CM-CHECK: EXP_IEEE T{{[0-9]+}}.Z (MASKED), -|T{{[0-9]+}}.X|
;CM-CHECK: EXP_IEEE * T{{[0-9]+}}.W (MASKED), -|T{{[0-9]+}}.X|
;FUNC-LABEL: @test
;EG-CHECK: EXP_IEEE
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}}
;SI-CHECK: V_EXP_F32
define void @test(<4 x float> inreg %reg0) #0 {
%r0 = extractelement <4 x float> %reg0, i32 0
%r1 = call float @llvm.fabs.f32(float %r0)
%r2 = fsub float -0.000000e+00, %r1
%r3 = call float @llvm.exp2.f32(float %r2)
%vec = insertelement <4 x float> undef, float %r3, i32 0
call void @llvm.R600.store.swizzle(<4 x float> %vec, i32 0, i32 0)
define void @test(float addrspace(1)* %out, float %in) {
entry:
%0 = call float @llvm.exp2.f32(float %in)
store float %0, float addrspace(1)* %out
ret void
}
declare float @llvm.exp2.f32(float) readnone
declare float @llvm.fabs.f32(float) readnone
declare void @llvm.R600.store.swizzle(<4 x float>, i32, i32)
;FUNC-LABEL: @testv2
;EG-CHECK: EXP_IEEE
;EG-CHECK: EXP_IEEE
; FIXME: We should be able to merge these packets together on Cayman so we
; have a maximum of 4 instructions.
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}}
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}}
;SI-CHECK: V_EXP_F32
;SI-CHECK: V_EXP_F32
attributes #0 = { "ShaderType"="0" }
define void @testv2(<2 x float> addrspace(1)* %out, <2 x float> %in) {
entry:
%0 = call <2 x float> @llvm.exp2.v2f32(<2 x float> %in)
store <2 x float> %0, <2 x float> addrspace(1)* %out
ret void
}
;FUNC-LABEL: @testv4
;EG-CHECK: EXP_IEEE
;EG-CHECK: EXP_IEEE
;EG-CHECK: EXP_IEEE
;EG-CHECK: EXP_IEEE
; FIXME: We should be able to merge these packets together on Cayman so we
; have a maximum of 4 instructions.
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}} (MASKED)
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}}
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}}
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}}
;CM-CHECK-DAG: EXP_IEEE T{{[0-9]+\.[XYZW]}}
;SI-CHECK: V_EXP_F32
;SI-CHECK: V_EXP_F32
;SI-CHECK: V_EXP_F32
;SI-CHECK: V_EXP_F32
define void @testv4(<4 x float> addrspace(1)* %out, <4 x float> %in) {
entry:
%0 = call <4 x float> @llvm.exp2.v4f32(<4 x float> %in)
store <4 x float> %0, <4 x float> addrspace(1)* %out
ret void
}
declare float @llvm.exp2.f32(float) readnone
declare <2 x float> @llvm.exp2.v2f32(<2 x float>) readnone
declare <4 x float> @llvm.exp2.v4f32(<4 x float>) readnone