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amd/common: Implement ptr->int casts in ac_to_integer.

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For the implicit casts inherent in nir.

This should probably have been done for shared memory for
VK_KHR_variable_pointers.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Bas Nieuwenhuizen 2019-01-23 01:54:39 +01:00
parent e00d9a9a72
commit 58c8dadd32
1 changed files with 13 additions and 0 deletions
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13
src/amd/common/ac_llvm_build.c
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@ -219,6 +219,16 @@ ac_to_integer_type(struct ac_llvm_context *ctx, LLVMTypeRef t)
return LLVMVectorType(to_integer_type_scalar(ctx, elem_type),
LLVMGetVectorSize(t));
}
if (LLVMGetTypeKind(t) == LLVMPointerTypeKind) {
switch (LLVMGetPointerAddressSpace(t)) {
case AC_ADDR_SPACE_GLOBAL:
return ctx->i64;
case AC_ADDR_SPACE_LDS:
return ctx->i32;
default:
unreachable("unhandled address space");
}
}
return to_integer_type_scalar(ctx, t);
}
@ -226,6 +236,9 @@ LLVMValueRef
ac_to_integer(struct ac_llvm_context *ctx, LLVMValueRef v)
{
LLVMTypeRef type = LLVMTypeOf(v);
if (LLVMGetTypeKind(type) == LLVMPointerTypeKind) {
return LLVMBuildPtrToInt(ctx->builder, v, ac_to_integer_type(ctx, type), "");
}
return LLVMBuildBitCast(ctx->builder, v, ac_to_integer_type(ctx, type), "");
}