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ac: add 8-bit and 16-bit supports to ac_build_optimization_barrier() 

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2019-11-08 17:12:39 +01:00
parent 21a9243f5e
commit 670aa24c69
1 changed files with 13 additions and 2 deletions
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15
src/amd/llvm/ac_llvm_build.c
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@ -432,11 +432,19 @@ ac_build_optimization_barrier(struct ac_llvm_context *ctx,
} else {
LLVMTypeRef ftype = LLVMFunctionType(ctx->i32, &ctx->i32, 1, false);
LLVMValueRef inlineasm = LLVMConstInlineAsm(ftype, code, "=v,0", true, false);
LLVMTypeRef type = LLVMTypeOf(*pvgpr);
unsigned bitsize = ac_get_elem_bits(ctx, type);
LLVMValueRef vgpr = *pvgpr;
LLVMTypeRef vgpr_type = LLVMTypeOf(vgpr);
unsigned vgpr_size = ac_get_type_size(vgpr_type);
LLVMTypeRef vgpr_type;
unsigned vgpr_size;
LLVMValueRef vgpr0;
if (bitsize < 32)
vgpr = LLVMBuildZExt(ctx->builder, vgpr, ctx->i32, "");
vgpr_type = LLVMTypeOf(vgpr);
vgpr_size = ac_get_type_size(vgpr_type);
assert(vgpr_size % 4 == 0);
vgpr = LLVMBuildBitCast(builder, vgpr, LLVMVectorType(ctx->i32, vgpr_size / 4), "");
@ -445,6 +453,9 @@ ac_build_optimization_barrier(struct ac_llvm_context *ctx,
vgpr = LLVMBuildInsertElement(builder, vgpr, vgpr0, ctx->i32_0, "");
vgpr = LLVMBuildBitCast(builder, vgpr, vgpr_type, "");
if (bitsize < 32)
vgpr = LLVMBuildTrunc(builder, vgpr, type, "");
*pvgpr = vgpr;
}
}