From: Marek Olšák <[email protected]>
---
src/amd/common/ac_llvm_build.c | 16 ++++++++++++++++
src/amd/common/ac_llvm_build.h | 2 ++
2 files changed, 18 insertions(+)
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index 9395bd1bbda..7adca596943 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -453,6 +453,22 @@ ac_build_ballot(struct ac_llvm_context *ctx,
AC_FUNC_ATTR_CONVERGENT);
}
+LLVMValueRef ac_get_i1_sgpr_mask(struct ac_llvm_context *ctx,
+ LLVMValueRef value)
+{
+ LLVMValueRef args[3] = {
+ value,
+ ctx->i1false,
+ LLVMConstInt(ctx->i32, LLVMIntNE, 0),
+ };
+
+ assert(HAVE_LLVM >= 0x0800);
+ return ac_build_intrinsic(ctx, "llvm.amdgcn.icmp.i1", ctx->i64, args, 3,
+ AC_FUNC_ATTR_NOUNWIND |
+ AC_FUNC_ATTR_READNONE |
+ AC_FUNC_ATTR_CONVERGENT);
+}
+
LLVMValueRef
ac_build_vote_all(struct ac_llvm_context *ctx, LLVMValueRef value)
{
diff --git a/src/amd/common/ac_llvm_build.h b/src/amd/common/ac_llvm_build.h
index f218eaf2832..6dd15dda3e8 100644
--- a/src/amd/common/ac_llvm_build.h
+++ b/src/amd/common/ac_llvm_build.h
@@ -149,6 +149,8 @@ void ac_build_optimization_barrier(struct ac_llvm_context
*ctx,
LLVMValueRef ac_build_shader_clock(struct ac_llvm_context *ctx);
LLVMValueRef ac_build_ballot(struct ac_llvm_context *ctx, LLVMValueRef value);
+LLVMValueRef ac_get_i1_sgpr_mask(struct ac_llvm_context *ctx,
+ LLVMValueRef value);
LLVMValueRef ac_build_vote_all(struct ac_llvm_context *ctx, LLVMValueRef
value);
--
2.17.1
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