[Mesa-dev] [PATCH 10/20] radeonsi: introduce bitcast_llvmtype()

[Timothy Arceri]

This is like bitcast() but takes an llvm type rather than a tgsi
type.
---
 src/gallium/drivers/radeonsi/si_shader_internal.h   | 3 +++
 src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/src/gallium/drivers/radeonsi/si_shader_internal.h 
b/src/gallium/drivers/radeonsi/si_shader_internal.h
index 7ff8815b92..4da39830f6 100644
--- a/src/gallium/drivers/radeonsi/si_shader_internal.h
+++ b/src/gallium/drivers/radeonsi/si_shader_internal.h
@@ -242,20 +242,23 @@ si_shader_context_from_abi(struct ac_shader_abi *abi)
 
 void si_llvm_add_attribute(LLVMValueRef F, const char *name, int value);
 
 unsigned si_llvm_compile(LLVMModuleRef M, struct ac_shader_binary *binary,
                         LLVMTargetMachineRef tm,
                         struct pipe_debug_callback *debug);
 
 LLVMTypeRef tgsi2llvmtype(struct lp_build_tgsi_context *bld_base,
                          enum tgsi_opcode_type type);
 
+LLVMValueRef bitcast_llvmtype(struct si_shader_context *ctx,
+                             LLVMTypeRef type, LLVMValueRef value);
+
 LLVMValueRef bitcast(struct lp_build_tgsi_context *bld_base,
                     enum tgsi_opcode_type type, LLVMValueRef value);
 
 LLVMValueRef si_llvm_bound_index(struct si_shader_context *ctx,
                                 LLVMValueRef index,
                                 unsigned num);
 
 void si_llvm_context_init(struct si_shader_context *ctx,
                          struct si_screen *sscreen,
                          LLVMTargetMachineRef tm);
diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c 
b/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
index 59d02605e9..b6a919fc8f 100644
--- a/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
+++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
@@ -177,20 +177,29 @@ LLVMTypeRef tgsi2llvmtype(struct lp_build_tgsi_context 
*bld_base,
        case TGSI_TYPE_DOUBLE:
                return ctx->ac.f64;
        case TGSI_TYPE_UNTYPED:
        case TGSI_TYPE_FLOAT:
                return ctx->ac.f32;
        default: break;
        }
        return 0;
 }
 
+LLVMValueRef bitcast_llvmtype(struct si_shader_context *ctx,
+                             LLVMTypeRef type, LLVMValueRef value)
+{
+       if (type)
+               return LLVMBuildBitCast(ctx->ac.builder, value, type, "");
+       else
+               return value;
+}
+
 LLVMValueRef bitcast(struct lp_build_tgsi_context *bld_base,
                     enum tgsi_opcode_type type, LLVMValueRef value)
 {
        struct si_shader_context *ctx = si_shader_context(bld_base);
        LLVMTypeRef dst_type = tgsi2llvmtype(bld_base, type);
 
        if (dst_type)
                return LLVMBuildBitCast(ctx->ac.builder, value, dst_type, "");
        else
                return value;
-- 
2.14.3

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