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gallium: Require LLVM >= 3.4

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Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
This commit is contained in:
Adam Jackson
2019-09-06 09:29:23 +02:00
committed by Adam Jackson
parent a1ebbc3225
commit 4fdd455eeb
8 changed files with 8 additions and 170 deletions
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2
meson.build
View File

@@ -1264,7 +1264,7 @@ elif with_gallium_swr
elif with_gallium_opencl or with_gallium_r600
_llvm_version = '>= 3.9.0'
else
_llvm_version = '>= 3.3.0'
_llvm_version = '>= 3.4.0'
endif
_shared_llvm = get_option('shared-llvm')

2
scons/llvm.py
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@@ -37,7 +37,7 @@ import SCons.Errors
import SCons.Util
required_llvm_version = '3.3'
required_llvm_version = '3.4'
def generate(env):

19
src/gallium/auxiliary/gallivm/lp_bld.h
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@@ -51,13 +51,6 @@
#include <llvm-c/Core.h>
#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR == 3
/* We won't actually use LLVMMCJITMemoryManagerRef, just create a dummy
* typedef to simplify things elsewhere.
*/
typedef void *LLVMMCJITMemoryManagerRef;
#endif
/**
* Redefine these LLVM entrypoints as invalid macros to make sure we
@@ -94,16 +87,4 @@ typedef void *LLVMMCJITMemoryManagerRef;
#define GALLIVM_HAVE_CORO 0
#endif
/*
* Before LLVM 3.4 LLVMSetAlignment only supported GlobalValue, not
* LoadInst/StoreInst as we need.
*/
#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 4
# ifdef __cplusplus
extern "C"
# endif
void LLVMSetAlignmentBackport(LLVMValueRef V, unsigned Bytes);
# define LLVMSetAlignment LLVMSetAlignmentBackport
#endif
#endif /* LP_BLD_H */

7
src/gallium/auxiliary/gallivm/lp_bld_arit.c
View File

@@ -287,12 +287,7 @@ lp_build_fmuladd(LLVMBuilderRef builder,
LLVMTypeRef type = LLVMTypeOf(a);
assert(type == LLVMTypeOf(b));
assert(type == LLVMTypeOf(c));
if (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 4) {
/* XXX: LLVM 3.3 does not breakdown llvm.fmuladd into mul+add when FMA is
* not supported, and instead it falls-back to a C function.
*/
return LLVMBuildFAdd(builder, LLVMBuildFMul(builder, a, b, ""), c, "");
}
char intrinsic[32];
lp_format_intrinsic(intrinsic, sizeof intrinsic, "llvm.fmuladd", type);
LLVMValueRef args[] = { a, b, c };

9
src/gallium/auxiliary/gallivm/lp_bld_debug.cpp
View File

@@ -72,20 +72,11 @@ lp_check_alignment(const void *ptr, unsigned alignment)
extern "C" void
lp_debug_dump_value(LLVMValueRef value)
{
#if LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 4)
char *str = LLVMPrintValueToString(value);
if (str) {
os_log_message(str);
LLVMDisposeMessage(str);
}
#elif defined(PIPE_OS_WINDOWS) || defined(PIPE_OS_EMBEDDED)
std::string str;
llvm::raw_string_ostream os(str);
llvm::unwrap(value)->print(os);
os_log_message(str.c_str());
#else
LLVMDumpValue(value);
#endif
}

2
src/gallium/auxiliary/gallivm/lp_bld_init.c
View File

@@ -505,7 +505,7 @@ lp_build_init(void)
util_cpu_caps.has_f16c = 0;
util_cpu_caps.has_fma = 0;
}
if ((LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 4) || !use_mcjit) {
if (!use_mcjit) {
/* AVX2 support has only been tested with LLVM 3.4, and it requires
* MCJIT. */
util_cpu_caps.has_avx2 = 0;

133
src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
View File

@@ -153,15 +153,6 @@ static void init_native_targets()
extern "C" void
lp_set_target_options(void)
{
#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 4
/*
* By default LLVM adds a signal handler to output a pretty stack trace.
* This signal handler is never removed, causing problems when unloading the
* shared object where the gallium driver resides.
*/
llvm::DisablePrettyStackTrace = true;
#endif
/* The llvm target registry is not thread-safe, so drivers and state-trackers
* that want to initialize targets should use the lp_set_target_options()
* function to safely initialize targets.
@@ -199,29 +190,6 @@ gallivm_dispose_target_library_info(LLVMTargetLibraryInfoRef library_info)
}
#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 4
extern "C"
void
LLVMSetAlignmentBackport(LLVMValueRef V,
unsigned Bytes)
{
switch (LLVMGetInstructionOpcode(V)) {
case LLVMLoad:
llvm::unwrap<llvm::LoadInst>(V)->setAlignment(Bytes);
break;
case LLVMStore:
llvm::unwrap<llvm::StoreInst>(V)->setAlignment(Bytes);
break;
default:
assert(0);
break;
}
}
#endif
#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 6
typedef llvm::JITMemoryManager BaseMemoryManager;
#else
@@ -287,22 +255,6 @@ class DelegatingJITMemoryManager : public BaseMemoryManager {
virtual void deallocateFunctionBody(void *Body) {
mgr()->deallocateFunctionBody(Body);
}
#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 4
virtual uint8_t *startExceptionTable(const llvm::Function *F,
uintptr_t &ActualSize) {
return mgr()->startExceptionTable(F, ActualSize);
}
virtual void endExceptionTable(const llvm::Function *F,
uint8_t *TableStart,
uint8_t *TableEnd,
uint8_t *FrameRegister) {
mgr()->endExceptionTable(F, TableStart, TableEnd,
FrameRegister);
}
virtual void deallocateExceptionTable(void *ET) {
mgr()->deallocateExceptionTable(ET);
}
#endif
virtual bool CheckInvariants(std::string &s) {
return mgr()->CheckInvariants(s);
}
@@ -329,7 +281,6 @@ class DelegatingJITMemoryManager : public BaseMemoryManager {
/*
* From RTDyldMemoryManager
*/
#if LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 4)
virtual uint8_t *allocateCodeSection(uintptr_t Size,
unsigned Alignment,
unsigned SectionID,
@@ -337,40 +288,23 @@ class DelegatingJITMemoryManager : public BaseMemoryManager {
return mgr()->allocateCodeSection(Size, Alignment, SectionID,
SectionName);
}
#else
virtual uint8_t *allocateCodeSection(uintptr_t Size,
unsigned Alignment,
unsigned SectionID) {
return mgr()->allocateCodeSection(Size, Alignment, SectionID);
}
#endif
virtual uint8_t *allocateDataSection(uintptr_t Size,
unsigned Alignment,
unsigned SectionID,
#if LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 4)
llvm::StringRef SectionName,
#endif
bool IsReadOnly) {
return mgr()->allocateDataSection(Size, Alignment, SectionID,
#if LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 4)
SectionName,
#endif
IsReadOnly);
}
#if LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 4)
virtual void registerEHFrames(uint8_t *Addr, uint64_t LoadAddr, size_t Size) {
mgr()->registerEHFrames(Addr, LoadAddr, Size);
}
#else
virtual void registerEHFrames(llvm::StringRef SectionData) {
mgr()->registerEHFrames(SectionData);
}
#endif
#if LLVM_VERSION_MAJOR >= 5
virtual void deregisterEHFrames() {
mgr()->deregisterEHFrames();
}
#elif LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 4)
#else
virtual void deregisterEHFrames(uint8_t *Addr, uint64_t LoadAddr, size_t Size) {
mgr()->deregisterEHFrames(Addr, LoadAddr, Size);
}
@@ -379,15 +313,9 @@ class DelegatingJITMemoryManager : public BaseMemoryManager {
bool AbortOnFailure=true) {
return mgr()->getPointerToNamedFunction(Name, AbortOnFailure);
}
#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR == 3
virtual bool applyPermissions(std::string *ErrMsg = 0) {
return mgr()->applyPermissions(ErrMsg);
}
#else
virtual bool finalizeMemory(std::string *ErrMsg = 0) {
return mgr()->finalizeMemory(ErrMsg);
}
#endif
};
@@ -426,11 +354,7 @@ class ShaderMemoryManager : public DelegatingJITMemoryManager {
assert(TheMM);
for ( i = FunctionBody.begin(); i != FunctionBody.end(); ++i )
TheMM->deallocateFunctionBody(*i);
#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 4
for ( i = ExceptionTable.begin(); i != ExceptionTable.end(); ++i )
TheMM->deallocateExceptionTable(*i);
#endif /* LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 4 */
#endif /* LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 6 */
#endif
}
};
@@ -462,13 +386,6 @@ class ShaderMemoryManager : public DelegatingJITMemoryManager {
delete (GeneratedCode *) code;
}
#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 4
virtual void deallocateExceptionTable(void *ET) {
// remember for later deallocation
code->ExceptionTable.push_back(ET);
}
#endif
virtual void deallocateFunctionBody(void *Body) {
// remember for later deallocation
code->FunctionBody.push_back(Body);
@@ -512,9 +429,6 @@ lp_build_create_jit_compiler_for_module(LLVMExecutionEngineRef *OutJIT,
TargetOptions options;
#if defined(PIPE_ARCH_X86)
options.StackAlignmentOverride = 4;
#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 4
options.RealignStack = true;
#endif
#endif
#if defined(DEBUG) && (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 7)
@@ -523,9 +437,6 @@ lp_build_create_jit_compiler_for_module(LLVMExecutionEngineRef *OutJIT,
/* XXX: Workaround http://llvm.org/PR21435 */
#if defined(DEBUG) || defined(PROFILE) || defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 4
options.NoFramePointerElimNonLeaf = true;
#endif
#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 7
options.NoFramePointerElim = true;
#endif
@@ -586,16 +497,8 @@ lp_build_create_jit_compiler_for_module(LLVMExecutionEngineRef *OutJIT,
MAttrs.push_back(util_cpu_caps.has_sse2 ? "+sse2" : "-sse2" );
MAttrs.push_back(util_cpu_caps.has_sse3 ? "+sse3" : "-sse3" );
MAttrs.push_back(util_cpu_caps.has_ssse3 ? "+ssse3" : "-ssse3" );
#if LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 4)
MAttrs.push_back(util_cpu_caps.has_sse4_1 ? "+sse4.1" : "-sse4.1");
#else
MAttrs.push_back(util_cpu_caps.has_sse4_1 ? "+sse41" : "-sse41" );
#endif
#if LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 4)
MAttrs.push_back(util_cpu_caps.has_sse4_2 ? "+sse4.2" : "-sse4.2");
#else
MAttrs.push_back(util_cpu_caps.has_sse4_2 ? "+sse42" : "-sse42" );
#endif
/*
* AVX feature is not automatically detected from CPUID by the X86 target
* yet, because the old (yet default) JIT engine is not capable of
@@ -604,23 +507,13 @@ lp_build_create_jit_compiler_for_module(LLVMExecutionEngineRef *OutJIT,
*/
MAttrs.push_back(util_cpu_caps.has_avx ? "+avx" : "-avx");
MAttrs.push_back(util_cpu_caps.has_f16c ? "+f16c" : "-f16c");
if (LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 4)) {
MAttrs.push_back(util_cpu_caps.has_fma ? "+fma" : "-fma");
} else {
/*
* The old JIT in LLVM 3.3 has a bug encoding llvm.fmuladd.f32 and
* llvm.fmuladd.v2f32 intrinsics when FMA is available.
*/
MAttrs.push_back("-fma");
}
MAttrs.push_back(util_cpu_caps.has_fma ? "+fma" : "-fma");
MAttrs.push_back(util_cpu_caps.has_avx2 ? "+avx2" : "-avx2");
/* disable avx512 and all subvariants */
#if LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 4)
MAttrs.push_back("-avx512cd");
MAttrs.push_back("-avx512er");
MAttrs.push_back("-avx512f");
MAttrs.push_back("-avx512pf");
#endif
#if LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 5)
MAttrs.push_back("-avx512bw");
MAttrs.push_back("-avx512dq");
@@ -637,7 +530,6 @@ lp_build_create_jit_compiler_for_module(LLVMExecutionEngineRef *OutJIT,
#if defined(PIPE_ARCH_PPC)
MAttrs.push_back(util_cpu_caps.has_altivec ? "+altivec" : "-altivec");
#if (LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 4))
#if (LLVM_VERSION_MAJOR < 4)
/*
* Make sure VSX instructions are disabled
@@ -650,21 +542,6 @@ lp_build_create_jit_compiler_for_module(LLVMExecutionEngineRef *OutJIT,
if (util_cpu_caps.has_altivec) {
MAttrs.push_back("-vsx");
}
#else
/*
* Bug 25503 is fixed, by the same fix that fixed
* bug 26775, in versions of LLVM later than 3.8 (starting with 3.8.1).
* BZ 33531 actually comprises more than one bug, all of
* which are fixed in LLVM 4.0.
*
* With LLVM 4.0 or higher:
* Make sure VSX instructions are ENABLED (if supported), unless
* VSX instructions are explicitly enabled/disabled via GALLIVM_VSX=1 or 0.
*/
if (util_cpu_caps.has_altivec) {
MAttrs.push_back(util_cpu_caps.has_vsx ? "+vsx" : "-vsx");
}
#endif
#endif
#endif
@@ -722,10 +599,8 @@ lp_build_create_jit_compiler_for_module(LLVMExecutionEngineRef *OutJIT,
#if LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 6)
builder.setMCJITMemoryManager(std::unique_ptr<RTDyldMemoryManager>(MM));
MM = NULL; // ownership taken by std::unique_ptr
#elif LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR > 3)
builder.setMCJITMemoryManager(MM);
#else
builder.setJITMemoryManager(MM);
builder.setMCJITMemoryManager(MM);
#endif
} else {
#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 6

4
src/gallium/drivers/llvmpipe/lp_jit.c
View File

@@ -286,13 +286,9 @@ lp_jit_create_types(struct lp_fragment_shader_variant *lp)
}
if (gallivm_debug & GALLIVM_DEBUG_IR) {
#if (LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 4))
char *str = LLVMPrintModuleToString(gallivm->module);
fprintf(stderr, "%s", str);
LLVMDisposeMessage(str);
#else
LLVMDumpModule(gallivm->module);
#endif
}
}