[Mesa-dev] [PATCH 1/2] gallivm: Use standard LLVMSetAlignment from LLVM 3.4 onwards.
Jose Fonseca
jfonseca at vmware.com
Sat Apr 2 14:13:15 UTC 2016
Only provide a fallback for LLVM 3.3.
One less dependency on LLVM C++ interface.
---
src/gallium/auxiliary/draw/draw_llvm.c | 4 ++--
src/gallium/auxiliary/gallivm/lp_bld.h | 14 ++++++++++++
.../auxiliary/gallivm/lp_bld_format_aos_array.c | 2 +-
src/gallium/auxiliary/gallivm/lp_bld_gather.c | 2 +-
src/gallium/auxiliary/gallivm/lp_bld_init.h | 8 -------
src/gallium/auxiliary/gallivm/lp_bld_misc.cpp | 26 +++++++++++++---------
src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c | 2 +-
src/gallium/auxiliary/gallivm/lp_bld_struct.c | 4 ++--
src/gallium/drivers/llvmpipe/lp_state_fs.c | 4 ++--
9 files changed, 39 insertions(+), 27 deletions(-)
diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c
index b48bdcc..9c68d4f 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_llvm.c
@@ -817,7 +817,7 @@ store_aos(struct gallivm_state *gallivm,
#endif
/* Unaligned store due to the vertex header */
- lp_set_store_alignment(LLVMBuildStore(builder, value, data_ptr), sizeof(float));
+ LLVMSetAlignment(LLVMBuildStore(builder, value, data_ptr), sizeof(float));
}
/**
@@ -1069,7 +1069,7 @@ store_clip(struct gallivm_state *gallivm,
clip_ptr = LLVMBuildPointerCast(builder, clip_ptr, clip_ptr_type, "");
/* Unaligned store */
- lp_set_store_alignment(LLVMBuildStore(builder, aos[j], clip_ptr), sizeof(float));
+ LLVMSetAlignment(LLVMBuildStore(builder, aos[j], clip_ptr), sizeof(float));
}
}
diff --git a/src/gallium/auxiliary/gallivm/lp_bld.h b/src/gallium/auxiliary/gallivm/lp_bld.h
index 7ba925c..041cb0d 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld.h
@@ -95,4 +95,18 @@ typedef void *LLVMMCJITMemoryManagerRef;
#define LLVMInsertBasicBlock ILLEGAL_LLVM_FUNCTION
#define LLVMCreateBuilder ILLEGAL_LLVM_FUNCTION
+
+/*
+ * Before LLVM 3.4 LLVMSetAlignment only supported GlobalValue, not
+ * LoadInst/StoreInst as we need.
+ */
+#if HAVE_LLVM < 0x0304
+# ifdef __cplusplus
+extern "C"
+# endif
+void LLVMSetAlignmentBackport(LLVMValueRef V, unsigned Bytes);
+# define LLVMSetAlignment LLVMSetAlignmentBackport
+#endif
+
+
#endif /* LP_BLD_H */
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_format_aos_array.c b/src/gallium/auxiliary/gallivm/lp_bld_format_aos_array.c
index ee3ca86..8cad3a6 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_format_aos_array.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_format_aos_array.c
@@ -74,7 +74,7 @@ lp_build_fetch_rgba_aos_array(struct gallivm_state *gallivm,
ptr = LLVMBuildGEP(builder, base_ptr, &offset, 1, "");
ptr = LLVMBuildPointerCast(builder, ptr, LLVMPointerType(src_vec_type, 0), "");
res = LLVMBuildLoad(builder, ptr, "");
- lp_set_load_alignment(res, src_type.width / 8);
+ LLVMSetAlignment(res, src_type.width / 8);
/* Truncate doubles to float */
if (src_type.floating && src_type.width == 64) {
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_gather.c b/src/gallium/auxiliary/gallivm/lp_bld_gather.c
index d026020..c641c8b 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_gather.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_gather.c
@@ -112,7 +112,7 @@ lp_build_gather_elem(struct gallivm_state *gallivm,
* gallium could not do anything else except 16 no matter what...
*/
if (!aligned) {
- lp_set_load_alignment(res, 1);
+ LLVMSetAlignment(res, 1);
}
assert(src_width <= dst_width);
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_init.h b/src/gallium/auxiliary/gallivm/lp_bld_init.h
index ab44661..f0155b3 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_init.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_init.h
@@ -77,14 +77,6 @@ func_pointer
gallivm_jit_function(struct gallivm_state *gallivm,
LLVMValueRef func);
-void
-lp_set_load_alignment(LLVMValueRef Inst,
- unsigned Align);
-
-void
-lp_set_store_alignment(LLVMValueRef Inst,
- unsigned Align);
-
#ifdef __cplusplus
}
#endif
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
index 30ef37c..61a50fa 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
+++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
@@ -187,22 +187,28 @@ lp_build_load_volatile(LLVMBuilderRef B, LLVMValueRef PointerVal,
}
-extern "C"
-void
-lp_set_load_alignment(LLVMValueRef Inst,
- unsigned Align)
-{
- llvm::unwrap<llvm::LoadInst>(Inst)->setAlignment(Align);
-}
+#if HAVE_LLVM < 0x0304
extern "C"
void
-lp_set_store_alignment(LLVMValueRef Inst,
- unsigned Align)
+LLVMSetAlignmentBackport(LLVMValueRef V,
+ unsigned Bytes)
{
- llvm::unwrap<llvm::StoreInst>(Inst)->setAlignment(Align);
+ 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 HAVE_LLVM < 0x0306
typedef llvm::JITMemoryManager BaseMemoryManager;
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
index e21933f..937948b 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
@@ -1939,7 +1939,7 @@ lp_build_clamp_border_color(struct lp_build_sample_context *bld,
LLVMPointerType(vec4_bld.vec_type, 0), "");
border_color = LLVMBuildLoad(builder, border_color_ptr, "");
/* we don't have aligned type in the dynamic state unfortunately */
- lp_set_load_alignment(border_color, 4);
+ LLVMSetAlignment(border_color, 4);
/*
* Instead of having some incredibly complex logic which will try to figure out
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_struct.c b/src/gallium/auxiliary/gallivm/lp_bld_struct.c
index cc248d1..0df4416 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_struct.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_struct.c
@@ -157,7 +157,7 @@ lp_build_pointer_get_unaligned(LLVMBuilderRef builder,
assert(LLVMGetTypeKind(LLVMTypeOf(ptr)) == LLVMPointerTypeKind);
element_ptr = LLVMBuildGEP(builder, ptr, &index, 1, "");
res = LLVMBuildLoad(builder, element_ptr, "");
- lp_set_load_alignment(res, alignment);
+ LLVMSetAlignment(res, alignment);
#ifdef DEBUG
lp_build_name(res, "%s[%s]", LLVMGetValueName(ptr), LLVMGetValueName(index));
#endif
@@ -188,5 +188,5 @@ lp_build_pointer_set_unaligned(LLVMBuilderRef builder,
LLVMValueRef instr;
element_ptr = LLVMBuildGEP(builder, ptr, &index, 1, "");
instr = LLVMBuildStore(builder, value, element_ptr);
- lp_set_store_alignment(instr, alignment);
+ LLVMSetAlignment(instr, alignment);
}
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c
index 83ff976..ca0533b 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_fs.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c
@@ -786,7 +786,7 @@ load_unswizzled_block(struct gallivm_state *gallivm,
dst[i] = LLVMBuildLoad(builder, dst_ptr, "");
- lp_set_load_alignment(dst[i], dst_alignment);
+ LLVMSetAlignment(dst[i], dst_alignment);
}
}
@@ -830,7 +830,7 @@ store_unswizzled_block(struct gallivm_state *gallivm,
src_ptr = LLVMBuildStore(builder, src[i], src_ptr);
- lp_set_store_alignment(src_ptr, src_alignment);
+ LLVMSetAlignment(src_ptr, src_alignment);
}
}
--
2.5.0
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