V2: just zero-extend the 32-bit value.
Fixes a number of int64 piglet tests, for example:
generated_tests/spec/arb_gpu_shader_int64/execution/conversion/frag-conversion-explicit-bool-int64_t.shader_test
---
src/amd/common/ac_nir_to_llvm.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 1cc44c5cae..04ffbedfb3 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -1422,9 +1422,15 @@ static LLVMValueRef emit_f2b(struct ac_llvm_context *ctx,
}
static LLVMValueRef emit_b2i(struct ac_llvm_context *ctx,
- LLVMValueRef src0)
+ LLVMValueRef src0,
+ unsigned bitsize)
{
- return LLVMBuildAnd(ctx->builder, src0, ctx->i32_1, "");
+ LLVMValueRef result = LLVMBuildAnd(ctx->builder, src0, ctx->i32_1, "");
+
+ if (bitsize == 32)
+ return result;
+
+ return LLVMBuildZExt(ctx->builder, result, ctx->i64, "");
}
static LLVMValueRef emit_i2b(struct ac_llvm_context *ctx,
@@ -1979,7 +1985,7 @@ static void visit_alu(struct ac_nir_context *ctx, const
nir_alu_instr *instr)
result = emit_f2b(&ctx->ac, src[0]);
break;
case nir_op_b2i:
- result = emit_b2i(&ctx->ac, src[0]);
+ result = emit_b2i(&ctx->ac, src[0],
instr->dest.dest.ssa.bit_size);
break;
case nir_op_i2b:
src[0] = ac_to_integer(&ctx->ac, src[0]);
--
2.14.3
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