[llvm] r280749 - [AMDGPU] Wave and register controls
Konstantin Zhuravlyov via llvm-commits
llvm-commits at lists.llvm.org
Tue Sep 6 13:29:10 PDT 2016
Author: kzhuravl
Date: Tue Sep 6 15:29:10 2016
New Revision: 280749
URL: http://llvm.org/viewvc/llvm-project?rev=280749&view=rev
Log:
[AMDGPU] Wave and register controls
- Add missing test
Added:
llvm/trunk/test/CodeGen/AMDGPU/attr-amdgpu-waves-per-eu.ll
Added: llvm/trunk/test/CodeGen/AMDGPU/attr-amdgpu-waves-per-eu.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/attr-amdgpu-waves-per-eu.ll?rev=280749&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/attr-amdgpu-waves-per-eu.ll (added)
+++ llvm/trunk/test/CodeGen/AMDGPU/attr-amdgpu-waves-per-eu.ll Tue Sep 6 15:29:10 2016
@@ -0,0 +1,190 @@
+; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck %s
+
+; Exactly 1 wave per execution unit.
+; CHECK-LABEL: {{^}}empty_exactly_1:
+; CHECK: SGPRBlocks: 12
+; CHECK: VGPRBlocks: 32
+; CHECK: NumSGPRsForWavesPerEU: 97
+; CHECK: NumVGPRsForWavesPerEU: 129
+define void @empty_exactly_1() #0 {
+entry:
+ ret void
+}
+attributes #0 = {"amdgpu-waves-per-eu"="1,1"}
+
+; Exactly 5 waves per execution unit.
+; CHECK-LABEL: {{^}}empty_exactly_5:
+; CHECK: SGPRBlocks: 12
+; CHECK: VGPRBlocks: 10
+; CHECK: NumSGPRsForWavesPerEU: 97
+; CHECK: NumVGPRsForWavesPerEU: 41
+define void @empty_exactly_5() #1 {
+entry:
+ ret void
+}
+attributes #1 = {"amdgpu-waves-per-eu"="5,5"}
+
+; Exactly 10 waves per execution unit.
+; CHECK-LABEL: {{^}}empty_exactly_10:
+; CHECK: SGPRBlocks: 0
+; CHECK: VGPRBlocks: 0
+; CHECK: NumSGPRsForWavesPerEU: 1
+; CHECK: NumVGPRsForWavesPerEU: 1
+define void @empty_exactly_10() #2 {
+entry:
+ ret void
+}
+attributes #2 = {"amdgpu-waves-per-eu"="10,10"}
+
+; At least 1 wave per execution unit.
+; CHECK-LABEL: {{^}}empty_at_least_1:
+; CHECK: SGPRBlocks: 0
+; CHECK: VGPRBlocks: 0
+; CHECK: NumSGPRsForWavesPerEU: 1
+; CHECK: NumVGPRsForWavesPerEU: 1
+define void @empty_at_least_1() #3 {
+entry:
+ ret void
+}
+attributes #3 = {"amdgpu-waves-per-eu"="1"}
+
+; At least 5 waves per execution unit.
+; CHECK-LABEL: {{^}}empty_at_least_5:
+; CHECK: SGPRBlocks: 0
+; CHECK: VGPRBlocks: 0
+; CHECK: NumSGPRsForWavesPerEU: 1
+; CHECK: NumVGPRsForWavesPerEU: 1
+define void @empty_at_least_5() #4 {
+entry:
+ ret void
+}
+attributes #4 = {"amdgpu-waves-per-eu"="5"}
+
+; At least 10 waves per execution unit.
+; CHECK-LABEL: {{^}}empty_at_least_10:
+; CHECK: SGPRBlocks: 0
+; CHECK: VGPRBlocks: 0
+; CHECK: NumSGPRsForWavesPerEU: 1
+; CHECK: NumVGPRsForWavesPerEU: 1
+define void @empty_at_least_10() #5 {
+entry:
+ ret void
+}
+attributes #5 = {"amdgpu-waves-per-eu"="10"}
+
+; At most 1 wave per execution unit (same as @empty_exactly_1).
+
+; At most 5 waves per execution unit.
+; CHECK-LABEL: {{^}}empty_at_most_5:
+; CHECK: SGPRBlocks: 12
+; CHECK: VGPRBlocks: 10
+; CHECK: NumSGPRsForWavesPerEU: 97
+; CHECK: NumVGPRsForWavesPerEU: 41
+define void @empty_at_most_5() #6 {
+entry:
+ ret void
+}
+attributes #6 = {"amdgpu-waves-per-eu"="1,5"}
+
+; At most 10 waves per execution unit.
+; CHECK-LABEL: {{^}}empty_at_most_10:
+; CHECK: SGPRBlocks: 0
+; CHECK: VGPRBlocks: 0
+; CHECK: NumSGPRsForWavesPerEU: 1
+; CHECK: NumVGPRsForWavesPerEU: 1
+define void @empty_at_most_10() #7 {
+entry:
+ ret void
+}
+attributes #7 = {"amdgpu-waves-per-eu"="1,10"}
+
+; Between 1 and 5 waves per execution unit (same as @empty_at_most_5).
+
+; Between 5 and 10 waves per execution unit.
+; CHECK-LABEL: {{^}}empty_between_5_and_10:
+; CHECK: SGPRBlocks: 0
+; CHECK: VGPRBlocks: 0
+; CHECK: NumSGPRsForWavesPerEU: 1
+; CHECK: NumVGPRsForWavesPerEU: 1
+define void @empty_between_5_and_10() #8 {
+entry:
+ ret void
+}
+attributes #8 = {"amdgpu-waves-per-eu"="5,10"}
+
+ at var = addrspace(1) global float 0.0
+
+; Exactly 10 waves per execution unit.
+; CHECK-LABEL: {{^}}exactly_10:
+; CHECK: SGPRBlocks: 2
+; CHECK: VGPRBlocks: 5
+; CHECK: NumSGPRsForWavesPerEU: 19
+; CHECK: NumVGPRsForWavesPerEU: 24
+define void @exactly_10() #9 {
+ %val0 = load volatile float, float addrspace(1)* @var
+ %val1 = load volatile float, float addrspace(1)* @var
+ %val2 = load volatile float, float addrspace(1)* @var
+ %val3 = load volatile float, float addrspace(1)* @var
+ %val4 = load volatile float, float addrspace(1)* @var
+ %val5 = load volatile float, float addrspace(1)* @var
+ %val6 = load volatile float, float addrspace(1)* @var
+ %val7 = load volatile float, float addrspace(1)* @var
+ %val8 = load volatile float, float addrspace(1)* @var
+ %val9 = load volatile float, float addrspace(1)* @var
+ %val10 = load volatile float, float addrspace(1)* @var
+ %val11 = load volatile float, float addrspace(1)* @var
+ %val12 = load volatile float, float addrspace(1)* @var
+ %val13 = load volatile float, float addrspace(1)* @var
+ %val14 = load volatile float, float addrspace(1)* @var
+ %val15 = load volatile float, float addrspace(1)* @var
+ %val16 = load volatile float, float addrspace(1)* @var
+ %val17 = load volatile float, float addrspace(1)* @var
+ %val18 = load volatile float, float addrspace(1)* @var
+ %val19 = load volatile float, float addrspace(1)* @var
+ %val20 = load volatile float, float addrspace(1)* @var
+ %val21 = load volatile float, float addrspace(1)* @var
+ %val22 = load volatile float, float addrspace(1)* @var
+ %val23 = load volatile float, float addrspace(1)* @var
+ %val24 = load volatile float, float addrspace(1)* @var
+ %val25 = load volatile float, float addrspace(1)* @var
+ %val26 = load volatile float, float addrspace(1)* @var
+ %val27 = load volatile float, float addrspace(1)* @var
+ %val28 = load volatile float, float addrspace(1)* @var
+ %val29 = load volatile float, float addrspace(1)* @var
+ %val30 = load volatile float, float addrspace(1)* @var
+
+ store volatile float %val0, float addrspace(1)* @var
+ store volatile float %val1, float addrspace(1)* @var
+ store volatile float %val2, float addrspace(1)* @var
+ store volatile float %val3, float addrspace(1)* @var
+ store volatile float %val4, float addrspace(1)* @var
+ store volatile float %val5, float addrspace(1)* @var
+ store volatile float %val6, float addrspace(1)* @var
+ store volatile float %val7, float addrspace(1)* @var
+ store volatile float %val8, float addrspace(1)* @var
+ store volatile float %val9, float addrspace(1)* @var
+ store volatile float %val10, float addrspace(1)* @var
+ store volatile float %val11, float addrspace(1)* @var
+ store volatile float %val12, float addrspace(1)* @var
+ store volatile float %val13, float addrspace(1)* @var
+ store volatile float %val14, float addrspace(1)* @var
+ store volatile float %val15, float addrspace(1)* @var
+ store volatile float %val16, float addrspace(1)* @var
+ store volatile float %val17, float addrspace(1)* @var
+ store volatile float %val18, float addrspace(1)* @var
+ store volatile float %val19, float addrspace(1)* @var
+ store volatile float %val20, float addrspace(1)* @var
+ store volatile float %val21, float addrspace(1)* @var
+ store volatile float %val22, float addrspace(1)* @var
+ store volatile float %val23, float addrspace(1)* @var
+ store volatile float %val24, float addrspace(1)* @var
+ store volatile float %val25, float addrspace(1)* @var
+ store volatile float %val26, float addrspace(1)* @var
+ store volatile float %val27, float addrspace(1)* @var
+ store volatile float %val28, float addrspace(1)* @var
+ store volatile float %val29, float addrspace(1)* @var
+ store volatile float %val30, float addrspace(1)* @var
+
+ ret void
+}
+attributes #9 = {"amdgpu-waves-per-eu"="10,10"}
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