radv: add an option that allows to dump pre-optimization ir

With RADV_DEBUG=preoptir.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 2aef51b..3d9cb24 100644 (file)
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -6848,6 +6848,9 @@ LLVMModuleRef ac_translate_nir_to_llvm(LLVMTargetMachineRef tm,
 
        LLVMBuildRetVoid(ctx.builder);
 
+       if (options->dump_preoptir)
+               ac_dump_module(ctx.module);
+
        ac_llvm_finalize_module(&ctx);
 
        if (shader_count == 1)

diff --git a/src/amd/common/ac_nir_to_llvm.h b/src/amd/common/ac_nir_to_llvm.h
index 1737866..62ea38b 100644 (file)
--- a/src/amd/common/ac_nir_to_llvm.h
+++ b/src/amd/common/ac_nir_to_llvm.h
@@ -81,6 +81,7 @@ struct ac_nir_compiler_options {
        bool unsafe_math;
        bool supports_spill;
        bool clamp_shadow_reference;
+       bool dump_preoptir;
        enum radeon_family family;
        enum chip_class chip_class;
 };

diff --git a/src/amd/vulkan/radv_debug.h b/src/amd/vulkan/radv_debug.h
index 5b37bfe..804f620 100644 (file)
--- a/src/amd/vulkan/radv_debug.h
+++ b/src/amd/vulkan/radv_debug.h
@@ -42,6 +42,7 @@ enum {
        RADV_DEBUG_ZERO_VRAM         = 0x1000,
        RADV_DEBUG_SYNC_SHADERS      = 0x2000,
        RADV_DEBUG_NO_SISCHED        = 0x4000,
+       RADV_DEBUG_PREOPTIR          = 0x8000,
 };
 
 enum {

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index b5ae103..4463e69 100644 (file)
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -336,6 +336,7 @@ static const struct debug_control radv_debug_options[] = {
        {"zerovram", RADV_DEBUG_ZERO_VRAM},
        {"syncshaders", RADV_DEBUG_SYNC_SHADERS},
        {"nosisched", RADV_DEBUG_NO_SISCHED},
+       {"preoptir", RADV_DEBUG_PREOPTIR},
        {NULL, 0}
 };
 

diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index 3bcaac1..620effe 100644 (file)
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -476,6 +476,8 @@ shader_variant_create(struct radv_device *device,
 
        options->family = chip_family;
        options->chip_class = device->physical_device->rad_info.chip_class;
+       options->dump_preoptir = radv_can_dump_shader(device, module) &&
+                                device->instance->debug_flags & RADV_DEBUG_PREOPTIR;
 
        if (options->supports_spill)
                tm_options |= AC_TM_SUPPORTS_SPILL;