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initial alignment work

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This commit is contained in:
Matt Pharr
2011-06-23 17:36:44 -07:00
parent d340dcbfcc
commit 3c3cd88692
7 changed files with 22 additions and 13 deletions
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8
ctx.cpp
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@@ -1644,7 +1644,8 @@ FunctionEmitContext::StoreInst(llvm::Value *rvalue, llvm::Value *lvalue,
return;
}
llvm::Instruction *inst = new llvm::StoreInst(rvalue, lvalue, name, bblock);
llvm::Instruction *inst = new llvm::StoreInst(rvalue, lvalue, false /* not volatile */,
4, bblock);
AddDebugPos(inst);
}
@@ -1662,7 +1663,8 @@ FunctionEmitContext::StoreInst(llvm::Value *rvalue, llvm::Value *lvalue,
// Figure out what kind of store we're doing here
if (rvalueType->IsUniformType()) {
// The easy case; a regular store
llvm::Instruction *si = new llvm::StoreInst(rvalue, lvalue, name, bblock);
llvm::Instruction *si = new llvm::StoreInst(rvalue, lvalue, false /* not volatile */,
4, bblock);
AddDebugPos(si);
}
else if (llvm::isa<const llvm::ArrayType>(lvalue->getType()))
@@ -1673,7 +1675,7 @@ FunctionEmitContext::StoreInst(llvm::Value *rvalue, llvm::Value *lvalue,
// Otherwise it is a masked store unless we can determine that the
// mask is all on...
llvm::Instruction *si =
new llvm::StoreInst(rvalue, lvalue, name, bblock);
new llvm::StoreInst(rvalue, lvalue, false /*not volatile*/, 4, bblock);
AddDebugPos(si);
}
else

11
opt.cpp
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@@ -1131,10 +1131,17 @@ MaskedStoreOptPass::runOnBasicBlock(llvm::BasicBlock &bb) {
}
else if (maskAsInt == allOnMask) {
// The mask is all on, so turn this into a regular store
const llvm::Type *ptrType = llvm::PointerType::get(rvalue->getType(), 0);
const llvm::Type *rvalueType = rvalue->getType();
const llvm::Type *ptrType = llvm::PointerType::get(rvalueType, 0);
// Need to update this when int8/int16 are added
int align = (called == pms32Func || called == pms64Func ||
called == msb32Func) ? 4 : 8;
lvalue = new llvm::BitCastInst(lvalue, ptrType, "lvalue_to_ptr_type", callInst);
lCopyMetadata(lvalue, callInst);
llvm::Instruction *store = new llvm::StoreInst(rvalue, lvalue);
llvm::Instruction *store =
new llvm::StoreInst(rvalue, lvalue, false /* not volatile */,
align);
lCopyMetadata(store, callInst);
llvm::ReplaceInstWithInst(callInst, store);

2
stdlib-avx.ll
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@@ -520,7 +520,7 @@ define void @__masked_store_blend_32(<8 x i32>* nocapture, <8 x i32>,
<8 x float> %newAsFloat,
<8 x float> %mask_as_float)
%blendAsInt = bitcast <8 x float> %blend to <8 x i32>
store <8 x i32> %blendAsInt, <8 x i32>* %0
store <8 x i32> %blendAsInt, <8 x i32>* %0, align 4
ret void
}

4
stdlib-sse2.ll
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@@ -280,7 +280,7 @@ define void @__masked_store_blend_32(<4 x i32>* nocapture, <4 x i32>,
<4 x i32> %mask) nounwind alwaysinline {
%val = load <4 x i32> * %0
%newval = call <4 x i32> @__vselect_i32(<4 x i32> %val, <4 x i32> %1, <4 x i32> %mask)
store <4 x i32> %newval, <4 x i32> * %0
store <4 x i32> %newval, <4 x i32> * %0, align 4
ret void
}
@@ -322,7 +322,7 @@ define void @__masked_store_blend_64(<4 x i64>* nocapture %ptr, <4 x i64> %new,
; reconstruct the final <4 x i64> vector
%final = shufflevector <2 x i64> %result01, <2 x i64> %result23,
<4 x i32> <i32 0, i32 1, i32 2, i32 3>
store <4 x i64> %final, <4 x i64> * %ptr
store <4 x i64> %final, <4 x i64> * %ptr, align 8
ret void
}

4
stdlib-sse4.ll
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@@ -195,7 +195,7 @@ define void @__masked_store_blend_32(<4 x i32>* nocapture, <4 x i32>,
<4 x float> %newAsFloat,
<4 x float> %mask_as_float)
%blendAsInt = bitcast <4 x float> %blend to <4 x i32>
store <4 x i32> %blendAsInt, <4 x i32>* %0
store <4 x i32> %blendAsInt, <4 x i32>* %0, align 4
ret void
}
@@ -243,6 +243,6 @@ define void @__masked_store_blend_64(<4 x i64>* nocapture %ptr, <4 x i64> %new,
; reconstruct the final <4 x i64> vector
%final = shufflevector <2 x i64> %result01, <2 x i64> %result23,
<4 x i32> <i32 0, i32 1, i32 2, i32 3>
store <4 x i64> %final, <4 x i64> * %ptr
store <4 x i64> %final, <4 x i64> * %ptr, align 8
ret void
}

4
stdlib-sse4x2.ll
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@@ -584,7 +584,7 @@ define void @__masked_store_blend_32(<8 x i32>* nocapture, <8 x i32>,
%blend = shufflevector <4 x float> %blend_a, <4 x float> %blend_b,
<8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
%blendAsInt = bitcast <8 x float> %blend to <8 x i32>
store <8 x i32> %blendAsInt, <8 x i32>* %0
store <8 x i32> %blendAsInt, <8 x i32>* %0, align 4
ret void
}
@@ -651,7 +651,7 @@ define void @__masked_store_blend_64(<8 x i64>* nocapture %ptr, <8 x i64> %new,
<4 x i32> <i32 0, i32 1, i32 2, i32 3>
%final = shufflevector <4 x i64> %final0123, <4 x i64> %final4567,
<8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
store <8 x i64> %final, <8 x i64> * %ptr
store <8 x i64> %final, <8 x i64> * %ptr, align 8
ret void
}

2
stdlib.m4
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@@ -544,7 +544,7 @@ all_on:
;; vector load
%vecptr = bitcast i32 *%startptr to <$1 x i32> *
%vec_load = load <$1 x i32> *%vecptr, align 4
store <$1 x i32> %vec_load, <$1 x i32> * %val_ptr
store <$1 x i32> %vec_load, <$1 x i32> * %val_ptr, align 4
ret i32 $1
not_all_on: