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ac/llvm: handle no_(un)signed_wrap NIR flags

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Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7939>
This commit is contained in:
Marek Olšák
2020-12-08 19:25:51 -05:00
committed by Marge Bot
parent 3b67c6451f
commit 3d41712193
1 changed files with 24 additions and 4 deletions
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src/amd/llvm/ac_nir_to_llvm.c
+24 -4
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@@ -605,13 +605,23 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
}
break;
case nir_op_ineg:
result = LLVMBuildNeg(ctx->ac.builder, src[0], "");
if (instr->no_unsigned_wrap)
result = LLVMBuildNUWNeg(ctx->ac.builder, src[0], "");
else if (instr->no_signed_wrap)
result = LLVMBuildNSWNeg(ctx->ac.builder, src[0], "");
else
result = LLVMBuildNeg(ctx->ac.builder, src[0], "");
break;
case nir_op_inot:
result = LLVMBuildNot(ctx->ac.builder, src[0], "");
break;
case nir_op_iadd:
result = LLVMBuildAdd(ctx->ac.builder, src[0], src[1], "");
if (instr->no_unsigned_wrap)
result = LLVMBuildNUWAdd(ctx->ac.builder, src[0], src[1], "");
else if (instr->no_signed_wrap)
result = LLVMBuildNSWAdd(ctx->ac.builder, src[0], src[1], "");
else
result = LLVMBuildAdd(ctx->ac.builder, src[0], src[1], "");
break;
case nir_op_fadd:
src[0] = ac_to_float(&ctx->ac, src[0]);
@@ -624,10 +634,20 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
result = LLVMBuildFSub(ctx->ac.builder, src[0], src[1], "");
break;
case nir_op_isub:
result = LLVMBuildSub(ctx->ac.builder, src[0], src[1], "");
if (instr->no_unsigned_wrap)
result = LLVMBuildNUWSub(ctx->ac.builder, src[0], src[1], "");
else if (instr->no_signed_wrap)
result = LLVMBuildNSWSub(ctx->ac.builder, src[0], src[1], "");
else
result = LLVMBuildSub(ctx->ac.builder, src[0], src[1], "");
break;
case nir_op_imul:
result = LLVMBuildMul(ctx->ac.builder, src[0], src[1], "");
if (instr->no_unsigned_wrap)
result = LLVMBuildNUWMul(ctx->ac.builder, src[0], src[1], "");
else if (instr->no_signed_wrap)
result = LLVMBuildNSWMul(ctx->ac.builder, src[0], src[1], "");
else
result = LLVMBuildMul(ctx->ac.builder, src[0], src[1], "");
break;
case nir_op_imod:
result = LLVMBuildSRem(ctx->ac.builder, src[0], src[1], "");