Module: Mesa
Branch: master
Commit: fd4041987bf0390d1bf07ec77c8b2d89dac601c2
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=fd4041987bf0390d1bf07ec77c8b2d89dac601c2

Author: Samuel Pitoiset <[email protected]>
Date:   Wed Apr 10 17:16:51 2019 +0200

ac: add ac_build_load_helper_invocation() helper

Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>

---

 src/amd/common/ac_llvm_build.c           | 10 ++++++++++
 src/amd/common/ac_llvm_build.h           |  3 +++
 src/amd/common/ac_nir_to_llvm.c          | 13 +------------
 src/gallium/drivers/radeonsi/si_shader.c |  7 +------
 4 files changed, 15 insertions(+), 18 deletions(-)

diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index d305af280d5..19496519165 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -4057,3 +4057,13 @@ ac_build_ddxy_interp(struct ac_llvm_context *ctx, 
LLVMValueRef interp_ij)
        }
        return ac_build_gather_values(ctx, result, 4);
 }
+
+LLVMValueRef
+ac_build_load_helper_invocation(struct ac_llvm_context *ctx)
+{
+       LLVMValueRef result = ac_build_intrinsic(ctx, "llvm.amdgcn.ps.live",
+                                                ctx->i1, NULL, 0,
+                                                AC_FUNC_ATTR_READNONE);
+       result = LLVMBuildNot(ctx->builder, result, "");
+       return LLVMBuildSExt(ctx->builder, result, ctx->i32, "");
+}
diff --git a/src/amd/common/ac_llvm_build.h b/src/amd/common/ac_llvm_build.h
index 64b6894538e..debc029f192 100644
--- a/src/amd/common/ac_llvm_build.h
+++ b/src/amd/common/ac_llvm_build.h
@@ -689,6 +689,9 @@ ac_build_frexp_mant(struct ac_llvm_context *ctx, 
LLVMValueRef src0,
 LLVMValueRef
 ac_build_ddxy_interp(struct ac_llvm_context *ctx, LLVMValueRef interp_ij);
 
+LLVMValueRef
+ac_build_load_helper_invocation(struct ac_llvm_context *ctx);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 1401998c666..90f7c66434d 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -2860,17 +2860,6 @@ static void emit_discard(struct ac_nir_context *ctx,
 }
 
 static LLVMValueRef
-visit_load_helper_invocation(struct ac_nir_context *ctx)
-{
-       LLVMValueRef result = ac_build_intrinsic(&ctx->ac,
-                                                "llvm.amdgcn.ps.live",
-                                                ctx->ac.i1, NULL, 0,
-                                                AC_FUNC_ATTR_READNONE);
-       result = LLVMBuildNot(ctx->ac.builder, result, "");
-       return LLVMBuildSExt(ctx->ac.builder, result, ctx->ac.i32, "");
-}
-
-static LLVMValueRef
 visit_load_local_invocation_index(struct ac_nir_context *ctx)
 {
        LLVMValueRef result;
@@ -3283,7 +3272,7 @@ static void visit_intrinsic(struct ac_nir_context *ctx,
                result = ctx->abi->front_face;
                break;
        case nir_intrinsic_load_helper_invocation:
-               result = visit_load_helper_invocation(ctx);
+               result = ac_build_load_helper_invocation(&ctx->ac);
                break;
        case nir_intrinsic_load_instance_id:
                result = ctx->abi->instance_id;
diff --git a/src/gallium/drivers/radeonsi/si_shader.c 
b/src/gallium/drivers/radeonsi/si_shader.c
index 8ebc8d39e99..d783555ca33 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -2218,12 +2218,7 @@ void si_load_system_value(struct si_shader_context *ctx,
                break;
 
        case TGSI_SEMANTIC_HELPER_INVOCATION:
-               value = ac_build_intrinsic(&ctx->ac,
-                                          "llvm.amdgcn.ps.live",
-                                          ctx->i1, NULL, 0,
-                                          AC_FUNC_ATTR_READNONE);
-               value = LLVMBuildNot(ctx->ac.builder, value, "");
-               value = LLVMBuildSExt(ctx->ac.builder, value, ctx->i32, "");
+               value = ac_build_load_helper_invocation(&ctx->ac);
                break;
 
        case TGSI_SEMANTIC_SUBGROUP_SIZE:

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