From: Dave Airlie <airl...@redhat.com>
This fixes:
dEQP-VK.glsl.builtin.function.common.isinf.*
v2: update to lower_isinf.
Signed-off-by: Dave Airlie <airl...@redhat.com>
---
src/amd/common/ac_nir_to_llvm.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 9a6b952..77e3a85 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -1181,6 +1181,17 @@ static LLVMValueRef emit_ddxy(struct nir_to_llvm_context
*ctx,
return result;
}
+static LLVMValueRef emit_isinf(struct nir_to_llvm_context *ctx,
+ nir_alu_instr *instr,
+ LLVMValueRef src0)
+{
+ LLVMTypeRef def_type = get_def_type(ctx, &instr->dest.dest.ssa);
+ src0 = emit_intrin_1f_param(ctx, "llvm.fabs",
+ to_float_type(ctx, def_type), src0);
+ src0 = emit_float_cmp(ctx, LLVMRealOEQ, src0, LLVMConstReal(ctx->f32,
INFINITY));
+ return src0;
+}
+
/*
* this takes an I,J coordinate pair,
* and works out the X and Y derivatives.
@@ -1544,6 +1555,9 @@ static void visit_alu(struct nir_to_llvm_context *ctx,
nir_alu_instr *instr)
case nir_op_fddy_coarse:
result = emit_ddxy(ctx, instr->op, src[0]);
break;
+ case nir_op_isinf:
+ result = emit_isinf(ctx, instr, src[0]);
+ break;
default:
fprintf(stderr, "Unknown NIR alu instr: ");
nir_print_instr(&instr->instr, stderr);
--
2.9.3
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