Debugger: Add basic debugger test scripts.

One for SPIR-V debugging, one for HLSL debugging using `OpenCL.DebugInfo.100`.

3 files changed, 536 insertions, 0 deletions

diff --git a/tests/cases/debugger_hlsl_line_stepping.amber b/tests/cases/debugger_hlsl_line_stepping.amber
new file mode 100644
index 0000000..c7e04c9
--- /dev/null
+++ b/tests/cases/debugger_hlsl_line_stepping.amber
@@ -0,0 +1,354 @@
+#!amber
+# Copyright 2020 The Amber Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https:#www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+SET ENGINE_DATA fence_timeout_ms 1000000
+
+SHADER vertex vtex_shader SPIRV-ASM
+; SPIR-V
+; Version: 1.0
+; Generator: Khronos SPIR-V Tools Assembler; 0
+; Bound: 28
+; Schema: 0
+               OpCapability Shader
+     %DbgExt = OpExtInstImport "OpenCL.DebugInfo.100"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %main "main" %pos %color %gl_Position %out_var_COLOR
+        %src = OpString "simple_vs.hlsl"
+       %code = OpString "
+struct VS_OUTPUT {
+  float4 pos : SV_POSITION;
+  float4 color : COLOR;
+};
+
+VS_OUTPUT main(float4 pos : POSITION,
+               float4 color : COLOR) {
+  VS_OUTPUT vout;
+  vout.pos = pos;
+  vout.color = color;
+  return vout;
+}
+"
+               OpSource HLSL 600 %src "
+struct VS_OUTPUT {
+  float4 pos : SV_POSITION;
+  float4 color : COLOR;
+};
+
+VS_OUTPUT main(float4 pos : POSITION,
+               float4 color : COLOR) {
+  VS_OUTPUT vout;
+  vout.pos = pos;
+  vout.color = color;
+  return vout;
+}
+"
+               OpName %out_var_COLOR "out.var.COLOR"
+               OpName %main "main"
+               OpName %VS_OUTPUT "VS_OUTPUT"
+               OpMemberName %VS_OUTPUT 0 "pos"
+               OpMemberName %VS_OUTPUT 1 "color"
+               OpName %pos "pos"
+               OpName %color "color"
+               OpName %vout "vout"
+               OpDecorate %gl_Position BuiltIn Position
+               OpDecorate %pos Location 0
+               OpDecorate %color Location 1
+               OpDecorate %out_var_COLOR Location 0
+        %int = OpTypeInt 32 1
+      %int_0 = OpConstant %int 0
+      %int_1 = OpConstant %int 1
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Input_v4float = OpTypePointer Input %v4float
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+       %void = OpTypeVoid
+         %16 = OpTypeFunction %void
+%_ptr_Function_v4float = OpTypePointer Function %v4float
+  %VS_OUTPUT = OpTypeStruct %v4float %v4float
+         %18 = OpTypeFunction %VS_OUTPUT %_ptr_Function_v4float %_ptr_Function_v4float
+%_ptr_Function_VS_OUTPUT = OpTypePointer Function %VS_OUTPUT
+
+; Compilation Unit
+%dbg_src = OpExtInst %void %DbgExt DebugSource %src %code
+%comp_unit = OpExtInst %void %DbgExt DebugCompilationUnit 2 4 %dbg_src HLSL
+
+; Type names
+%VS_OUTPUT_name = OpString "struct VS_OUTPUT"
+%float_name = OpString "float"
+%VS_OUTPUT_pos_name = OpString "pos"
+%VS_OUTPUT_color_name = OpString "color"
+%VS_OUTPUT_linkage_name = OpString "VS_OUTPUT"
+%main_name = OpString "main"
+%main_linkage_name = OpString "VS_OUTPUT_main_v4f_v4f"
+%pos_name = OpString "pos"
+%color_name = OpString "color"
+%vout_name = OpString "vout"
+
+; Type sizes in bit unit. For example, 128 means "128 bits"
+%int_32 = OpConstant %int 32
+%int_128 = OpConstant %int 128
+
+; Type information
+; %VS_OUTPUT_info and %VS_OUTPUT_pos_info have cycling reference
+%VS_OUTPUT_info = OpExtInst %void %DbgExt DebugTypeComposite %VS_OUTPUT_name Structure %dbg_src 1 1 %comp_unit %VS_OUTPUT_linkage_name %int_128 FlagIsPublic %VS_OUTPUT_pos_info %VS_OUTPUT_color_info
+%float_info = OpExtInst %void %DbgExt DebugTypeBasic %float_name %int_32 Float
+%v4float_info = OpExtInst %void %DbgExt DebugTypeVector %float_info 4
+%VS_OUTPUT_pos_info = OpExtInst %void %DbgExt DebugTypeMember %VS_OUTPUT_pos_name %v4float_info %dbg_src 2 3 %VS_OUTPUT_info %int_0 %int_128 FlagIsPublic
+%VS_OUTPUT_color_info = OpExtInst %void %DbgExt DebugTypeMember %VS_OUTPUT_color_name %v4float_info %dbg_src 3 3 %VS_OUTPUT_info %int_128 %int_128 FlagIsPublic
+%main_type = OpExtInst %void %DbgExt DebugTypeFunction FlagIsPublic %VS_OUTPUT_info %v4float_info %v4float_info
+
+; DebugExpression without any information
+%null_expr = OpExtInst %void %DbgExt DebugExpression
+
+; Lexical scope for main
+%main_lex_scope = OpExtInst %void %DbgExt DebugLexicalBlock %dbg_src 6 1 %comp_unit
+
+; Function information
+%main_func = OpExtInst %void %DbgExt DebugFunction %main_name %main_type %dbg_src 6 1 %main_lex_scope %main_linkage_name FlagIsPublic 7 %src_main
+
+; Local variable information
+%pos_info = OpExtInst %void %DbgExt DebugLocalVariable %pos_name %v4float_info %dbg_src 6 16 %main_lex_scope FlagIsLocal 0
+%color_info = OpExtInst %void %DbgExt DebugLocalVariable %color_name %v4float_info %dbg_src 7 16 %main_lex_scope FlagIsLocal 1
+%vout_info = OpExtInst %void %DbgExt DebugLocalVariable %vout_name %VS_OUTPUT_info %dbg_src 8 3 %main_lex_scope FlagIsLocal
+
+        %pos = OpVariable %_ptr_Input_v4float Input
+
+; Declaration of "float4 pos : POSITION" argument of main()
+%pos_decl = OpExtInst %void %DbgExt DebugDeclare %pos_info %pos %null_expr
+
+      %color = OpVariable %_ptr_Input_v4float Input
+
+; Declaration of "float4 color : COLOR" argument of main()
+%color_decl = OpExtInst %void %DbgExt DebugDeclare %color_info %color %null_expr
+
+%gl_Position = OpVariable %_ptr_Output_v4float Output
+%out_var_COLOR = OpVariable %_ptr_Output_v4float Output
+       %main = OpFunction %void None %16
+         %20 = OpLabel
+
+; Start the scope of function "main()"
+%main_scope = OpExtInst %void %DbgExt DebugScope %main_lex_scope
+
+       %vout = OpVariable %_ptr_Function_VS_OUTPUT Function
+
+; Declaration of "VS_OUTPUT vout" local variable in main()
+%vout_decl = OpExtInst %void %DbgExt DebugDeclare %vout_info %vout %null_expr
+
+               OpLine %src 9 3
+         %21 = OpLoad %v4float %pos
+         %22 = OpAccessChain %_ptr_Function_v4float %vout %int_0
+
+; Tracking value of "float4 pos : SV_POSITION" member of "vout"
+%vout_pos_value = OpExtInst %void %DbgExt DebugValue %vout_info %22 %null_expr %int_0
+
+               OpStore %22 %21
+               OpLine %src 10 3
+         %23 = OpLoad %v4float %color
+         %24 = OpAccessChain %_ptr_Function_v4float %vout %int_1
+
+; Tracking value of "float4 color : COLOR" member of "vout"
+%vout_color_value = OpExtInst %void %DbgExt DebugValue %vout_info %24 %null_expr %int_1
+
+               OpStore %24 %23
+               OpLine %src 11 3
+         %25 = OpLoad %VS_OUTPUT %vout
+         %26 = OpCompositeExtract %v4float %25 0
+               OpStore %gl_Position %26
+         %27 = OpCompositeExtract %v4float %25 1
+               OpStore %out_var_COLOR %27
+               OpLine %src 12 3
+               OpReturn
+
+; End the scope of function "main()"
+%main_scope_end = OpExtInst %void %DbgExt DebugNoScope
+
+               OpFunctionEnd
+END
+
+SHADER fragment frag_shader SPIRV-ASM
+; SPIR-V
+; Version: 1.0
+; Generator: Khronos SPIR-V Tools Assembler; 0
+; Bound: 14
+; Schema: 0
+               OpCapability Shader
+     %DbgExt = OpExtInstImport "OpenCL.DebugInfo.100"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Fragment %main "main" %color %out_var_SV_TARGET
+               OpExecutionMode %main OriginUpperLeft
+        %src = OpString "simple_ps.hlsl"
+       %code = OpString "#line 1 \"simple_ps.hlsl\"
+float4 main(float4 color : COLOR) : SV_TARGET {
+  return color;
+}
+"
+               OpSource HLSL 600 %src "#line 1 \"simple_ps.hlsl\"
+float4 main(float4 color : COLOR) : SV_TARGET {
+  return color;
+}
+"
+               OpName %out_var_SV_TARGET "out.var.SV_TARGET"
+               OpName %main "main"
+               OpName %color "color"
+               OpDecorate %color Location 0
+               OpDecorate %out_var_SV_TARGET Location 0
+        %int = OpTypeInt 32 1
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Input_v4float = OpTypePointer Input %v4float
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+       %void = OpTypeVoid
+          %9 = OpTypeFunction %void
+%_ptr_Function_v4float = OpTypePointer Function %v4float
+         %11 = OpTypeFunction %v4float %_ptr_Function_v4float
+
+; Compilation Unit
+%dbg_src = OpExtInst %void %DbgExt DebugSource %src %code
+%comp_unit = OpExtInst %void %DbgExt DebugCompilationUnit 2 4 %dbg_src HLSL
+
+; Type names
+%float_name = OpString "float"
+%main_name = OpString "main"
+%main_linkage_name = OpString "v4f_main_v4f"
+%color_name = OpString "color : COLOR"
+
+; Type sizes in bit unit. For example, 128 means "128 bits"
+%int_32 = OpConstant %int 32
+%int_128 = OpConstant %int 128
+
+; Type information
+%float_info = OpExtInst %void %DbgExt DebugTypeBasic %float_name %int_32 Float
+%v4float_info = OpExtInst %void %DbgExt DebugTypeVector %float_info 4
+%main_type = OpExtInst %void %DbgExt DebugTypeFunction FlagIsPublic %v4float_info %v4float_info
+
+; DebugExpression without any information
+%null_expr = OpExtInst %void %DbgExt DebugExpression
+
+; Lexical scope for main
+%main_lex_scope = OpExtInst %void %DbgExt DebugLexicalBlock %dbg_src 1 1 %comp_unit
+
+; Function information
+%main_func = OpExtInst %void %DbgExt DebugFunction %main_name %main_type %dbg_src 1 1 %main_lex_scope %main_linkage_name FlagIsPublic 1 %src_main
+
+; Local variable information
+%color_info = OpExtInst %void %DbgExt DebugLocalVariable %color_name %v4float_info %dbg_src 1 13 %main_lex_scope FlagIsLocal 0
+
+               OpLine %src 1 28
+      %color = OpVariable %_ptr_Input_v4float Input
+
+; Declaration of "float4 color : COLOR" argument of main()
+%color_decl = OpExtInst %void %DbgExt DebugDeclare %color_info %color %null_expr
+
+               OpLine %src 1 37
+%out_var_SV_TARGET = OpVariable %_ptr_Output_v4float Output
+               OpLine %src 1 1
+       %main = OpFunction %void None %9
+         %12 = OpLabel
+
+; Start the scope of function "main()"
+%main_scope = OpExtInst %void %DbgExt DebugScope %main_lex_scope
+
+               OpLine %src 2 10
+         %13 = OpLoad %v4float %color
+               OpLine %src 2 3
+               OpStore %out_var_SV_TARGET %13
+               OpReturn
+
+; End the scope of function "main()"
+%main_scope_end = OpExtInst %void %DbgExt DebugNoScope
+
+               OpFunctionEnd
+END
+
+BUFFER position_buf DATA_TYPE R8G8_SNORM DATA
+# Full frame
+-128 -128
+ 127  127
+-128  127
+-128 -128
+ 127  127
+ 127 -128
+END
+
+BUFFER vert_color DATA_TYPE R8G8B8A8_UNORM DATA
+255   0   0 255
+255   0   0 255
+255   0   0 255
+255   0   0 255
+255   0   0 255
+255   0   0 255
+
+  0 255   0 255
+  0 255   0 255
+  0 255   0 255
+  0 255   0 255
+  0 255   0 255
+  0 255   0 255
+
+  0   0 255 255
+  0   0 255 255
+  0   0 255 255
+  0   0 255 255
+  0   0 255 255
+  0   0 255 255
+
+127 127 127 255
+127 127 127 255
+127 127 127 255
+127 127 127 255
+127 127 127 255
+127 127 127 255
+END
+
+BUFFER framebuffer FORMAT B8G8R8A8_UNORM
+
+PIPELINE graphics pipeline
+  ATTACH vtex_shader
+  ATTACH frag_shader
+
+  VERTEX_DATA position_buf LOCATION 0
+  VERTEX_DATA vert_color LOCATION 1
+
+  BIND BUFFER framebuffer AS color LOCATION 0
+END
+
+CLEAR pipeline
+
+DEBUG pipeline DRAW_ARRAY AS TRIANGLE_LIST START_IDX 0 COUNT 6
+    THREAD VERTEX_INDEX 2
+        EXPECT LOCATION "simple_vs.hlsl" 9 "  VS_OUTPUT vout;"
+        EXPECT LOCAL "pos.x" EQ -1.007874
+        EXPECT LOCAL "pos.y" EQ 1.000000
+        EXPECT LOCAL "pos.z" EQ 0.000000
+        EXPECT LOCAL "color.x" EQ 1.000000
+        EXPECT LOCAL "color.y" EQ 0.000000
+        EXPECT LOCAL "color.z" EQ 0.000000
+        STEP_IN
+        EXPECT LOCATION "simple_vs.hlsl" 10 "  vout.pos = pos;"
+        STEP_IN
+        EXPECT LOCAL "vout.pos.x" EQ -1.007874
+        EXPECT LOCAL "vout.pos.y" EQ 1.000000
+        EXPECT LOCAL "vout.pos.z" EQ 0.000000
+        EXPECT LOCATION "simple_vs.hlsl" 11 "  vout.color = color;"
+        STEP_IN
+        EXPECT LOCAL "vout.color.x" EQ 1.000000
+        EXPECT LOCAL "vout.color.y" EQ 0.000000
+        EXPECT LOCAL "vout.color.z" EQ 0.000000
+        EXPECT LOCATION "simple_vs.hlsl" 12 "  return vout;"
+        CONTINUE
+    END
+END
+
+EXPECT framebuffer IDX 0 0 SIZE 250 250 EQ_RGB 255 0 0
diff --git a/tests/cases/debugger_spirv_line_stepping.amber b/tests/cases/debugger_spirv_line_stepping.amber
new file mode 100644
index 0000000..e65773f
--- /dev/null
+++ b/tests/cases/debugger_spirv_line_stepping.amber
@@ -0,0 +1,173 @@
+#!amber
+# Copyright 2020 The Amber Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https:#www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+SET ENGINE_DATA fence_timeout_ms 1000000
+
+# #version 450
+# layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+# layout(binding = 0, std430) buffer InBuffer
+# {
+#     int Data[];
+# } In;
+# layout(binding = 1, std430) buffer OutBuffer
+# {
+#     int Data[];
+# } Out;
+# void main()
+# {
+#     Out.Data[gl_GlobalInvocationID.x] = In.Data[gl_GlobalInvocationID.x];
+# }
+SHADER compute mah_shader SPIRV-ASM
+      OpCapability Shader
+      OpMemoryModel Logical GLSL450
+      OpEntryPoint GLCompute %1 "main" %2
+      OpExecutionMode %1 LocalSize 4 1 1
+      OpDecorate %3 ArrayStride 4
+      OpMemberDecorate %4 0 Offset 0
+      OpDecorate %4 BufferBlock
+      OpDecorate %5 DescriptorSet 0
+      OpDecorate %5 Binding 1
+      OpDecorate %2 BuiltIn GlobalInvocationId
+      OpDecorate %6 DescriptorSet 0
+      OpDecorate %6 Binding 0
+ %7 = OpTypeVoid
+ %8 = OpTypeFunction %7
+ %9 = OpTypeInt 32 1
+%10 = OpTypeInt 32 0
+ %3 = OpTypeRuntimeArray %9
+ %4 = OpTypeStruct %3
+%11 = OpTypePointer Uniform %4
+ %5 = OpVariable %11 Uniform
+%12 = OpConstant %9 0
+%13 = OpConstant %10 0
+%14 = OpTypeVector %10 3
+%15 = OpTypePointer Input %14
+ %2 = OpVariable %15 Input
+%16 = OpTypePointer Input %10
+ %6 = OpVariable %11 Uniform
+%17 = OpTypePointer Uniform %9
+ %1 = OpFunction %7 None %8
+%18 = OpLabel
+%19 = OpAccessChain %16 %2 %13
+%20 = OpLoad %10 %19
+%21 = OpAccessChain %17 %6 %12 %20
+%22 = OpLoad %9 %21
+%23 = OpAccessChain %17 %5 %12 %20
+      OpStore %23 %22
+      OpReturn
+      OpFunctionEnd
+END
+
+BUFFER buf_in DATA_TYPE uint32 DATA
+    20 30 40 50 60
+END
+
+BUFFER buf_out DATA_TYPE uint32 DATA
+    99 99 99 99 99
+END
+
+PIPELINE compute pipeline
+  ATTACH mah_shader
+
+  BIND BUFFER buf_in  AS storage DESCRIPTOR_SET 0 BINDING 0
+  BIND BUFFER buf_out AS storage DESCRIPTOR_SET 0 BINDING 1
+END
+
+# Only one workgroup.  Having only one invocation execute ensures
+# there are no race conditions.
+DEBUG pipeline 1 1 1
+    THREAD GLOBAL_INVOCATION_ID 2 0 0
+        EXPECT LOCATION "ComputeShader0.spvasm"  1 "OpCapability Shader"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm"  2 "OpMemoryModel Logical GLSL450"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm"  3 "OpEntryPoint GLCompute %1 \"main\" %2"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm"  4 "OpExecutionMode %1 LocalSize 4 1 1"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm"  5 "OpDecorate %3 ArrayStride 4"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm"  6 "OpMemberDecorate %4 0 Offset 0"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm"  7 "OpDecorate %4 BufferBlock"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm"  8 "OpDecorate %5 DescriptorSet 0"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm"  9 "OpDecorate %5 Binding 1"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 10 "OpDecorate %2 BuiltIn GlobalInvocationId"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 11 "OpDecorate %6 DescriptorSet 0"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 12 "OpDecorate %6 Binding 0"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 13 "%7 = OpTypeVoid"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 14 "%8 = OpTypeFunction %7"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 15 "%9 = OpTypeInt 32 1"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 16 "%10 = OpTypeInt 32 0"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 17 "%3 = OpTypeRuntimeArray %9"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 18 "%4 = OpTypeStruct %3"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 19 "%11 = OpTypePointer Uniform %4"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 20 "%5 = OpVariable %11 Uniform"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 21 "%12 = OpConstant %9 0"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 22 "%13 = OpConstant %10 0"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 23 "%14 = OpTypeVector %10 3"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 24 "%15 = OpTypePointer Input %14"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 25 "%2 = OpVariable %15 Input"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 26 "%16 = OpTypePointer Input %10"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 27 "%6 = OpVariable %11 Uniform"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 28 "%17 = OpTypePointer Uniform %9"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 29 "%1 = OpFunction %7 None %8"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 30 "%18 = OpLabel"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 31 "%19 = OpAccessChain %16 %2 %13"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 32 "%20 = OpLoad %10 %19"
+        STEP_IN
+        EXPECT LOCAL "%20" EQ 2
+        EXPECT LOCATION "ComputeShader0.spvasm" 33 "%21 = OpAccessChain %17 %6 %12 %20"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 34 "%22 = OpLoad %9 %21"
+        STEP_IN
+        EXPECT LOCAL "%22" EQ 40
+        EXPECT LOCATION "ComputeShader0.spvasm" 35 "%23 = OpAccessChain %17 %5 %12 %20"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 36 "OpStore %23 %22"
+        STEP_IN
+        EXPECT LOCATION "ComputeShader0.spvasm" 37 "OpReturn"
+        CONTINUE
+    END
+END
+
+EXPECT buf_in  IDX 0 EQ 20 30 40 50 60
+EXPECT buf_out IDX 0 EQ 20 30 40 50 99
+
diff --git a/tests/run_tests.py b/tests/run_tests.py
index 2484be1..dff50d2 100755
--- a/tests/run_tests.py
+++ b/tests/run_tests.py
@@ -54,6 +54,12 @@ SUPPRESSIONS = {
    ]
 }
 
+SUPPRESSIONS_DEBUGGER = [
+  # Debugger functionality is not ready for testing (yet)
+  "debugger_hlsl_line_stepping.amber",
+  "debugger_spirv_line_stepping.amber",
+]
+
 SUPPRESSIONS_SWIFTSHADER = [
   # Incorrect rendering: github.com/google/amber/issues/727
   "draw_array_instanced.vkscript",
@@ -183,6 +189,9 @@ class TestCase:
     if not self.use_opencl and is_opencl_test:
       return True
 
+    if base in SUPPRESSIONS_DEBUGGER:
+      return True
+
     if system in SUPPRESSIONS.keys():
       is_system_suppressed = base in SUPPRESSIONS[system]
       return is_system_suppressed