--- /dev/null
+#!amber
+
+# Copyright 2019 Google LLC
+#
+# 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
+#
+# http://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.
+
+
+# A test for a bug found by GraphicsFuzz.
+
+# Short description: A fragment shader with two loops with breaks
+
+# The test passes because the fragment shader always writes red; the loops do nothing.
+
+SHADER vertex variant_vertex_shader PASSTHROUGH
+
+# variant_fragment_shader is derived from the following GLSL:
+# #version 310 es
+# precision highp float;
+#
+# layout(location = 0) out vec4 _GLF_color;
+#
+# void main()
+# {
+# vec4 GLF_live15c = vec4(0.0);
+# for (
+# int GLF_live15i = 0;
+# GLF_live15i < 4;
+# GLF_live15i++)
+# {
+# if (GLF_live15i >= 3)
+# {
+# break;
+# }
+# if (GLF_live15c[1] >= 1.0)
+# {
+# GLF_live15c[GLF_live15i] = 1.0;
+# }
+# }
+# vec4 GLF_live15d = vec4(0.0);
+# for (
+# int GLF_live15i = 0;
+# GLF_live15i < 4;
+# GLF_live15i++)
+# {
+# if (GLF_live15i >= 3)
+# {
+# break;
+# }
+# if (GLF_live15d[1] >= 1.0)
+# {
+# GLF_live15d[GLF_live15i] = 1.0;
+# }
+# }
+# _GLF_color = vec4(1.0, 0.0, 0.0, 1.0);
+# }
+SHADER fragment variant_fragment_shader SPIRV-ASM
+; SPIR-V
+; Version: 1.0
+; Generator: Khronos Glslang Reference Front End; 7
+; Bound: 71
+; Schema: 0
+ OpCapability Shader
+ %1 = OpExtInstImport "GLSL.std.450"
+ OpMemoryModel Logical GLSL450
+ OpEntryPoint Fragment %4 "main" %69
+ OpExecutionMode %4 OriginUpperLeft
+ OpSource ESSL 310
+ OpName %4 "main"
+ OpName %9 "GLF_live15c"
+ OpName %14 "GLF_live15i"
+ OpName %45 "GLF_live15d"
+ OpName %46 "GLF_live15i"
+ OpName %69 "_GLF_color"
+ OpDecorate %14 RelaxedPrecision
+ OpDecorate %21 RelaxedPrecision
+ OpDecorate %25 RelaxedPrecision
+ OpDecorate %40 RelaxedPrecision
+ OpDecorate %42 RelaxedPrecision
+ OpDecorate %44 RelaxedPrecision
+ OpDecorate %46 RelaxedPrecision
+ OpDecorate %52 RelaxedPrecision
+ OpDecorate %54 RelaxedPrecision
+ OpDecorate %64 RelaxedPrecision
+ OpDecorate %66 RelaxedPrecision
+ OpDecorate %67 RelaxedPrecision
+ OpDecorate %69 Location 0
+ %2 = OpTypeVoid
+ %3 = OpTypeFunction %2
+ %6 = OpTypeFloat 32
+ %7 = OpTypeVector %6 4
+ %8 = OpTypePointer Function %7
+ %10 = OpConstant %6 0
+ %11 = OpConstantComposite %7 %10 %10 %10 %10
+ %12 = OpTypeInt 32 1
+ %13 = OpTypePointer Function %12
+ %15 = OpConstant %12 0
+ %22 = OpConstant %12 4
+ %23 = OpTypeBool
+ %26 = OpConstant %12 3
+ %31 = OpTypeInt 32 0
+ %32 = OpConstant %31 1
+ %33 = OpTypePointer Function %6
+ %36 = OpConstant %6 1
+ %43 = OpConstant %12 1
+ %68 = OpTypePointer Output %7
+ %69 = OpVariable %68 Output
+ %70 = OpConstantComposite %7 %36 %10 %10 %36
+ %4 = OpFunction %2 None %3
+ %5 = OpLabel
+ %9 = OpVariable %8 Function
+ %14 = OpVariable %13 Function
+ %45 = OpVariable %8 Function
+ %46 = OpVariable %13 Function
+ OpStore %9 %11
+ OpStore %14 %15
+ OpBranch %16
+ %16 = OpLabel
+ OpLoopMerge %18 %19 None
+ OpBranch %20
+ %20 = OpLabel
+ %21 = OpLoad %12 %14
+ %24 = OpSLessThan %23 %21 %22
+ OpBranchConditional %24 %17 %18
+ %17 = OpLabel
+ %25 = OpLoad %12 %14
+ %27 = OpSGreaterThanEqual %23 %25 %26
+ OpSelectionMerge %29 None
+ OpBranchConditional %27 %28 %29
+ %28 = OpLabel
+ OpBranch %18
+ %29 = OpLabel
+ %34 = OpAccessChain %33 %9 %32
+ %35 = OpLoad %6 %34
+ %37 = OpFOrdGreaterThanEqual %23 %35 %36
+ OpSelectionMerge %39 None
+ OpBranchConditional %37 %38 %39
+ %38 = OpLabel
+ %40 = OpLoad %12 %14
+ %41 = OpAccessChain %33 %9 %40
+ OpStore %41 %36
+ OpBranch %39
+ %39 = OpLabel
+ OpBranch %19
+ %19 = OpLabel
+ %42 = OpLoad %12 %14
+ %44 = OpIAdd %12 %42 %43
+ OpStore %14 %44
+ OpBranch %16
+ %18 = OpLabel
+ OpStore %45 %11
+ OpStore %46 %15
+ OpBranch %47
+ %47 = OpLabel
+ OpLoopMerge %49 %50 None
+ OpBranch %51
+ %51 = OpLabel
+ %52 = OpLoad %12 %46
+ %53 = OpSLessThan %23 %52 %22
+ OpBranchConditional %53 %48 %49
+ %48 = OpLabel
+ %54 = OpLoad %12 %46
+ %55 = OpSGreaterThanEqual %23 %54 %26
+ OpSelectionMerge %57 None
+ OpBranchConditional %55 %56 %57
+ %56 = OpLabel
+ OpBranch %49
+ %57 = OpLabel
+ %59 = OpAccessChain %33 %45 %32
+ %60 = OpLoad %6 %59
+ %61 = OpFOrdGreaterThanEqual %23 %60 %36
+ OpSelectionMerge %63 None
+ OpBranchConditional %61 %62 %63
+ %62 = OpLabel
+ %64 = OpLoad %12 %46
+ %65 = OpAccessChain %33 %45 %64
+ OpStore %65 %36
+ OpBranch %63
+ %63 = OpLabel
+ OpBranch %50
+ %50 = OpLabel
+ %66 = OpLoad %12 %46
+ %67 = OpIAdd %12 %66 %43
+ OpStore %46 %67
+ OpBranch %47
+ %49 = OpLabel
+ OpStore %69 %70
+ OpReturn
+ OpFunctionEnd
+END
+
+# uniforms for variant
+
+
+BUFFER variant_framebuffer FORMAT B8G8R8A8_UNORM
+
+PIPELINE graphics variant_pipeline
+ ATTACH variant_vertex_shader
+ ATTACH variant_fragment_shader
+ FRAMEBUFFER_SIZE 256 256
+ BIND BUFFER variant_framebuffer AS color LOCATION 0
+END
+CLEAR_COLOR variant_pipeline 0 0 0 255
+
+CLEAR variant_pipeline
+RUN variant_pipeline DRAW_RECT POS 0 0 SIZE 256 256
+
+EXPECT variant_framebuffer IDX 0 0 SIZE 256 256 EQ_RGBA 255 0 0 255