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fixed global array handling for ptx to use the correct bit widths

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143640 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Bailey 2011-11-03 19:24:46 +00:00
parent a3a2dfd4a2
commit e1f38f2ce1
3 changed files with 47 additions and 42 deletions
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29
lib/Target/PTX/PTXAsmPrinter.cpp
View File

@ -318,11 +318,7 @@ void PTXAsmPrinter::EmitVariableDeclaration(const GlobalVariable *gv) {
if (PointerType::classof(gv->getType())) {
PointerType* pointerTy = dyn_cast<PointerType>(gv->getType());
Type* elementTy = pointerTy->getElementType();
decl += ".b8 ";
decl += gvsym->getName();
decl += "[";
if (elementTy->isArrayTy())
{
assert(elementTy->isArrayTy() && "Only pointers to arrays are supported");
@ -343,15 +339,24 @@ void PTXAsmPrinter::EmitVariableDeclaration(const GlobalVariable *gv) {
// FIXME: isPrimitiveType() == false for i16?
assert(elementTy->isSingleValueType() &&
"Non-primitive types are not handled");
// Find the size of the element in bits
unsigned elementSize = elementTy->getPrimitiveSizeInBits();
// Compute the size of the array, in bytes.
uint64_t arraySize = (elementTy->getPrimitiveSizeInBits() >> 3)
* numElements;
decl += utostr(arraySize);
decl += ".b";
decl += utostr(elementSize);
decl += " ";
decl += gvsym->getName();
decl += "[";
decl += utostr(numElements);
decl += "]";
}
else
{
decl += ".b8 ";
decl += gvsym->getName();
decl += "[]";
}
decl += "]";
// handle string constants (assume ConstantArray means string)

30
test/CodeGen/PTX/ld.ll
View File

@ -1,48 +1,48 @@
; RUN: llc < %s -march=ptx32 | FileCheck %s
;CHECK: .extern .global .b8 array_i16[20];
;CHECK: .extern .global .b16 array_i16[10];
@array_i16 = external global [10 x i16]
;CHECK: .extern .const .b8 array_constant_i16[20];
;CHECK: .extern .const .b16 array_constant_i16[10];
@array_constant_i16 = external addrspace(1) constant [10 x i16]
;CHECK: .extern .shared .b8 array_shared_i16[20];
;CHECK: .extern .shared .b16 array_shared_i16[10];
@array_shared_i16 = external addrspace(4) global [10 x i16]
;CHECK: .extern .global .b8 array_i32[40];
;CHECK: .extern .global .b32 array_i32[10];
@array_i32 = external global [10 x i32]
;CHECK: .extern .const .b8 array_constant_i32[40];
;CHECK: .extern .const .b32 array_constant_i32[10];
@array_constant_i32 = external addrspace(1) constant [10 x i32]
;CHECK: .extern .shared .b8 array_shared_i32[40];
;CHECK: .extern .shared .b32 array_shared_i32[10];
@array_shared_i32 = external addrspace(4) global [10 x i32]
;CHECK: .extern .global .b8 array_i64[80];
;CHECK: .extern .global .b64 array_i64[10];
@array_i64 = external global [10 x i64]
;CHECK: .extern .const .b8 array_constant_i64[80];
;CHECK: .extern .const .b64 array_constant_i64[10];
@array_constant_i64 = external addrspace(1) constant [10 x i64]
;CHECK: .extern .shared .b8 array_shared_i64[80];
;CHECK: .extern .shared .b64 array_shared_i64[10];
@array_shared_i64 = external addrspace(4) global [10 x i64]
;CHECK: .extern .global .b8 array_float[40];
;CHECK: .extern .global .b32 array_float[10];
@array_float = external global [10 x float]
;CHECK: .extern .const .b8 array_constant_float[40];
;CHECK: .extern .const .b32 array_constant_float[10];
@array_constant_float = external addrspace(1) constant [10 x float]
;CHECK: .extern .shared .b8 array_shared_float[40];
;CHECK: .extern .shared .b32 array_shared_float[10];
@array_shared_float = external addrspace(4) global [10 x float]
;CHECK: .extern .global .b8 array_double[80];
;CHECK: .extern .global .b64 array_double[10];
@array_double = external global [10 x double]
;CHECK: .extern .const .b8 array_constant_double[80];
;CHECK: .extern .const .b64 array_constant_double[10];
@array_constant_double = external addrspace(1) constant [10 x double]
;CHECK: .extern .shared .b8 array_shared_double[80];
;CHECK: .extern .shared .b64 array_shared_double[10];
@array_shared_double = external addrspace(4) global [10 x double]

30
test/CodeGen/PTX/st.ll
View File

@ -1,48 +1,48 @@
; RUN: llc < %s -march=ptx32 | FileCheck %s
;CHECK: .extern .global .b8 array_i16[20];
;CHECK: .extern .global .b16 array_i16[10];
@array_i16 = external global [10 x i16]
;CHECK: .extern .const .b8 array_constant_i16[20];
;CHECK: .extern .const .b16 array_constant_i16[10];
@array_constant_i16 = external addrspace(1) constant [10 x i16]
;CHECK: .extern .shared .b8 array_shared_i16[20];
;CHECK: .extern .shared .b16 array_shared_i16[10];
@array_shared_i16 = external addrspace(4) global [10 x i16]
;CHECK: .extern .global .b8 array_i32[40];
;CHECK: .extern .global .b32 array_i32[10];
@array_i32 = external global [10 x i32]
;CHECK: .extern .const .b8 array_constant_i32[40];
;CHECK: .extern .const .b32 array_constant_i32[10];
@array_constant_i32 = external addrspace(1) constant [10 x i32]
;CHECK: .extern .shared .b8 array_shared_i32[40];
;CHECK: .extern .shared .b32 array_shared_i32[10];
@array_shared_i32 = external addrspace(4) global [10 x i32]
;CHECK: .extern .global .b8 array_i64[80];
;CHECK: .extern .global .b64 array_i64[10];
@array_i64 = external global [10 x i64]
;CHECK: .extern .const .b8 array_constant_i64[80];
;CHECK: .extern .const .b64 array_constant_i64[10];
@array_constant_i64 = external addrspace(1) constant [10 x i64]
;CHECK: .extern .shared .b8 array_shared_i64[80];
;CHECK: .extern .shared .b64 array_shared_i64[10];
@array_shared_i64 = external addrspace(4) global [10 x i64]
;CHECK: .extern .global .b8 array_float[40];
;CHECK: .extern .global .b32 array_float[10];
@array_float = external global [10 x float]
;CHECK: .extern .const .b8 array_constant_float[40];
;CHECK: .extern .const .b32 array_constant_float[10];
@array_constant_float = external addrspace(1) constant [10 x float]
;CHECK: .extern .shared .b8 array_shared_float[40];
;CHECK: .extern .shared .b32 array_shared_float[10];
@array_shared_float = external addrspace(4) global [10 x float]
;CHECK: .extern .global .b8 array_double[80];
;CHECK: .extern .global .b64 array_double[10];
@array_double = external global [10 x double]
;CHECK: .extern .const .b8 array_constant_double[80];
;CHECK: .extern .const .b64 array_constant_double[10];
@array_constant_double = external addrspace(1) constant [10 x double]
;CHECK: .extern .shared .b8 array_shared_double[80];
;CHECK: .extern .shared .b64 array_shared_double[10];
@array_shared_double = external addrspace(4) global [10 x double]