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-rw-r--r--lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp97
1 files changed, 97 insertions, 0 deletions
diff --git a/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp b/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
index b76b4007003f..add415e215cf 100644
--- a/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
+++ b/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
@@ -7,12 +7,23 @@
//
//===----------------------------------------------------------------------===//
#include "AMDGPUBaseInfo.h"
+#include "AMDGPU.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Function.h"
+#include "llvm/IR/GlobalValue.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCSectionELF.h"
+#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/SubtargetFeature.h"
#define GET_SUBTARGETINFO_ENUM
#include "AMDGPUGenSubtargetInfo.inc"
#undef GET_SUBTARGETINFO_ENUM
+#define GET_REGINFO_ENUM
+#include "AMDGPUGenRegisterInfo.inc"
+#undef GET_REGINFO_ENUM
+
namespace llvm {
namespace AMDGPU {
@@ -56,5 +67,91 @@ void initDefaultAMDKernelCodeT(amd_kernel_code_t &Header,
Header.private_segment_alignment = 4;
}
+MCSection *getHSATextSection(MCContext &Ctx) {
+ return Ctx.getELFSection(".hsatext", ELF::SHT_PROGBITS,
+ ELF::SHF_ALLOC | ELF::SHF_WRITE |
+ ELF::SHF_EXECINSTR |
+ ELF::SHF_AMDGPU_HSA_AGENT |
+ ELF::SHF_AMDGPU_HSA_CODE);
+}
+
+MCSection *getHSADataGlobalAgentSection(MCContext &Ctx) {
+ return Ctx.getELFSection(".hsadata_global_agent", ELF::SHT_PROGBITS,
+ ELF::SHF_ALLOC | ELF::SHF_WRITE |
+ ELF::SHF_AMDGPU_HSA_GLOBAL |
+ ELF::SHF_AMDGPU_HSA_AGENT);
+}
+
+MCSection *getHSADataGlobalProgramSection(MCContext &Ctx) {
+ return Ctx.getELFSection(".hsadata_global_program", ELF::SHT_PROGBITS,
+ ELF::SHF_ALLOC | ELF::SHF_WRITE |
+ ELF::SHF_AMDGPU_HSA_GLOBAL);
+}
+
+MCSection *getHSARodataReadonlyAgentSection(MCContext &Ctx) {
+ return Ctx.getELFSection(".hsarodata_readonly_agent", ELF::SHT_PROGBITS,
+ ELF::SHF_ALLOC | ELF::SHF_AMDGPU_HSA_READONLY |
+ ELF::SHF_AMDGPU_HSA_AGENT);
+}
+
+bool isGroupSegment(const GlobalValue *GV) {
+ return GV->getType()->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS;
+}
+
+bool isGlobalSegment(const GlobalValue *GV) {
+ return GV->getType()->getAddressSpace() == AMDGPUAS::GLOBAL_ADDRESS;
+}
+
+bool isReadOnlySegment(const GlobalValue *GV) {
+ return GV->getType()->getAddressSpace() == AMDGPUAS::CONSTANT_ADDRESS;
+}
+
+static const char ShaderTypeAttribute[] = "ShaderType";
+
+unsigned getShaderType(const Function &F) {
+ Attribute A = F.getFnAttribute(ShaderTypeAttribute);
+ unsigned ShaderType = ShaderType::COMPUTE;
+
+ if (A.isStringAttribute()) {
+ StringRef Str = A.getValueAsString();
+ if (Str.getAsInteger(0, ShaderType)) {
+ LLVMContext &Ctx = F.getContext();
+ Ctx.emitError("can't parse shader type");
+ }
+ }
+ return ShaderType;
+}
+
+bool isSI(const MCSubtargetInfo &STI) {
+ return STI.getFeatureBits()[AMDGPU::FeatureSouthernIslands];
+}
+
+bool isCI(const MCSubtargetInfo &STI) {
+ return STI.getFeatureBits()[AMDGPU::FeatureSeaIslands];
+}
+
+bool isVI(const MCSubtargetInfo &STI) {
+ return STI.getFeatureBits()[AMDGPU::FeatureVolcanicIslands];
+}
+
+unsigned getMCReg(unsigned Reg, const MCSubtargetInfo &STI) {
+
+ switch(Reg) {
+ default: break;
+ case AMDGPU::FLAT_SCR:
+ assert(!isSI(STI));
+ return isCI(STI) ? AMDGPU::FLAT_SCR_ci : AMDGPU::FLAT_SCR_vi;
+
+ case AMDGPU::FLAT_SCR_LO:
+ assert(!isSI(STI));
+ return isCI(STI) ? AMDGPU::FLAT_SCR_LO_ci : AMDGPU::FLAT_SCR_LO_vi;
+
+ case AMDGPU::FLAT_SCR_HI:
+ assert(!isSI(STI));
+ return isCI(STI) ? AMDGPU::FLAT_SCR_HI_ci : AMDGPU::FLAT_SCR_HI_vi;
+ }
+ return Reg;
+}
+
} // End namespace AMDGPU
} // End namespace llvm