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radv: setup llvm target data layout

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Ported from radeonsi, pointed out by Tom.

"This prevents LLVM from using sext instructions for local memory
offsets and allows the backend to fold immediate offsets into the
instruction. This also prevents some incorrect code generation for
ptrtoint and inttoptr instructions."

Cc: "13.0 17.0" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Tom Stellard <tstellar@redhat.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2017-03-14 06:50:59 +10:00
parent c19607d59d
commit b8ee70384a
1 changed files with 7 additions and 0 deletions
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7
src/amd/common/ac_nir_to_llvm.c
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@ -4793,6 +4793,13 @@ LLVMModuleRef ac_translate_nir_to_llvm(LLVMTargetMachineRef tm,
memset(shader_info, 0, sizeof(*shader_info));
LLVMSetTarget(ctx.module, options->supports_spill ? "amdgcn-mesa-mesa3d" : "amdgcn--");
LLVMTargetDataRef data_layout = LLVMCreateTargetDataLayout(tm);
char *data_layout_str = LLVMCopyStringRepOfTargetData(data_layout);
LLVMSetDataLayout(ctx.module, data_layout_str);
LLVMDisposeTargetData(data_layout);
LLVMDisposeMessage(data_layout_str);
setup_types(&ctx);
ctx.builder = LLVMCreateBuilderInContext(ctx.context);