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Merge pull request #22 from google/structured-do-while

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Generate correctly structured do-while loops.
This commit is contained in:
John Kessenich
2015-07-20 22:14:38 -06:00
parent d2762564dc c22f37cfb4
commit 37e8337958
8 changed files with 1486 additions and 1373 deletions
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18
SPIRV/GlslangToSpv.cpp
View File

@@ -1147,28 +1147,18 @@ bool TGlslangToSpvTraverser::visitLoop(glslang::TVisit /* visit */, glslang::TIn
// body emission needs to know what the for-loop terminal is when it sees a "continue"
loopTerminal.push(node->getTerminal());
builder.makeNewLoop();
bool bodyOut = false;
if (! node->testFirst()) {
builder.endLoopHeaderWithoutTest();
if (node->getBody()) {
breakForLoop.push(true);
node->getBody()->traverse(this);
breakForLoop.pop();
}
bodyOut = true;
builder.createBranchToLoopTest();
}
builder.makeNewLoop(node->testFirst());
if (node->getTest()) {
node->getTest()->traverse(this);
// the AST only contained the test computation, not the branch, we have to add it
spv::Id condition = builder.accessChainLoad(TranslatePrecisionDecoration(node->getTest()->getType()));
builder.createLoopTestBranch(condition);
} else {
builder.createBranchToBody();
}
if (! bodyOut && node->getBody()) {
if (node->getBody()) {
breakForLoop.push(true);
node->getBody()->traverse(this);
breakForLoop.pop();

138
SPIRV/SpvBuilder.cpp
View File

@@ -1736,16 +1736,29 @@ void Builder::endSwitch(std::vector<Block*>& /*segmentBlock*/)
}
// Comments in header
void Builder::makeNewLoop()
void Builder::makeNewLoop(bool loopTestFirst)
{
Loop loop = { };
loops.push({ });
Loop& loop = loops.top();
loop.function = &getBuildPoint()->getParent();
loop.header = new Block(getUniqueId(), *loop.function);
loop.merge = new Block(getUniqueId(), *loop.function);
loop.test = NULL;
// Delaying creation of the loop body perturbs test results less,
// which makes for easier patch review.
// TODO(dneto): Create the loop body block here, instead of
// upon first use.
loop.body = 0;
loop.testFirst = loopTestFirst;
loop.isFirstIteration = 0;
loops.push(loop);
// The loop test is always emitted before the loop body.
// But if the loop test executes at the bottom of the loop, then
// execute the test only on the second and subsequent iterations.
// Remember the block that branches to the loop header. This
// is required for the test-after-body case.
Block* preheader = getBuildPoint();
// Branch into the loop
createBranch(loop.header);
@@ -1753,56 +1766,95 @@ void Builder::makeNewLoop()
// Set ourselves inside the loop
loop.function->addBlock(loop.header);
setBuildPoint(loop.header);
if (!loopTestFirst) {
// Generate code to defer the loop test until the second and
// subsequent iterations.
// A phi node determines whether we're on the first iteration.
loop.isFirstIteration = new Instruction(getUniqueId(), makeBoolType(), OpPhi);
// It's always the first iteration when coming from the preheader.
// All other branches to this loop header will need to indicate "false",
// but we don't yet know where they will come from.
loop.isFirstIteration->addIdOperand(makeBoolConstant(true));
loop.isFirstIteration->addIdOperand(preheader->getId());
getBuildPoint()->addInstruction(loop.isFirstIteration);
// Mark the end of the structured loop. This must exist in the loop header block.
createMerge(OpLoopMerge, loop.merge, LoopControlMaskNone);
// Generate code to see if this is the first iteration of the loop.
// It needs to be in its own block, since the loop merge and
// the selection merge instructions can't both be in the same
// (header) block.
Block* firstIterationCheck = new Block(getUniqueId(), *loop.function);
createBranch(firstIterationCheck);
loop.function->addBlock(firstIterationCheck);
setBuildPoint(firstIterationCheck);
loop.body = new Block(getUniqueId(), *loop.function);
// Control flow after this "if" normally reconverges at the loop body.
// However, the loop test has a "break branch" out of this selection
// construct because it can transfer control to the loop merge block.
createMerge(OpSelectionMerge, loop.body, SelectionControlMaskNone);
Block* loopTest = new Block(getUniqueId(), *loop.function);
createConditionalBranch(loop.isFirstIteration->getResultId(), loop.body, loopTest);
loop.function->addBlock(loopTest);
setBuildPoint(loopTest);
}
}
void Builder::createLoopTestBranch(Id condition)
{
Loop& loop = loops.top();
// If loop.test exists, then we've already generated the LoopMerge
// for this loop.
if (!loop.test)
// Generate the merge instruction. If the loop test executes before
// the body, then this is a loop merge. Otherwise the loop merge
// has already been generated and this is a conditional merge.
if (loop.testFirst) {
createMerge(OpLoopMerge, loop.merge, LoopControlMaskNone);
loop.body = new Block(getUniqueId(), *loop.function);
// Branching to the "body" block will keep control inside
// the loop.
Block* body = new Block(getUniqueId(), *loop.function);
createConditionalBranch(condition, body, loop.merge);
loop.function->addBlock(body);
setBuildPoint(body);
createConditionalBranch(condition, loop.body, loop.merge);
loop.function->addBlock(loop.body);
setBuildPoint(loop.body);
} else {
// The branch to the loop merge block is the allowed exception
// to the structured control flow. Otherwise, control flow will
// continue to loop.body block. Since that is already the target
// of a merge instruction, and a block can't be the target of more
// than one merge instruction, we need to make an intermediate block.
Block* stayInLoopBlock = new Block(getUniqueId(), *loop.function);
createMerge(OpSelectionMerge, stayInLoopBlock, SelectionControlMaskNone);
// This is the loop test.
createConditionalBranch(condition, stayInLoopBlock, loop.merge);
// The dummy block just branches to the real loop body.
loop.function->addBlock(stayInLoopBlock);
setBuildPoint(stayInLoopBlock);
createBranchToBody();
}
}
void Builder::endLoopHeaderWithoutTest()
void Builder::createBranchToBody()
{
Loop& loop = loops.top();
assert(loop.body);
createMerge(OpLoopMerge, loop.merge, LoopControlMaskNone);
Block* body = new Block(getUniqueId(), *loop.function);
createBranch(body);
loop.function->addBlock(body);
setBuildPoint(body);
assert(!loop.test);
loop.test = new Block(getUniqueId(), *loop.function);
}
void Builder::createBranchToLoopTest()
{
Loop& loop = loops.top();
Block* testBlock = loop.test;
assert(testBlock);
createBranch(testBlock);
loop.function->addBlock(testBlock);
setBuildPoint(testBlock);
// This is a reconvergence of control flow, so no merge instruction
// is required.
createBranch(loop.body);
loop.function->addBlock(loop.body);
setBuildPoint(loop.body);
}
void Builder::createLoopContinue()
{
Loop& loop = loops.top();
if (loop.test)
createBranch(loop.test);
else
createBranch(loop.header);
createBranchToLoopHeaderFromInside(loops.top());
// Set up a block for dead code.
createAndSetNoPredecessorBlock("post-loop-continue");
}
@@ -1821,7 +1873,7 @@ void Builder::closeLoop()
Loop& loop = loops.top();
// Branch back to the top
createBranch(loop.header);
createBranchToLoopHeaderFromInside(loop);
// Add the merge block and set the build point to it
loop.function->addBlock(loop.merge);
@@ -1830,6 +1882,18 @@ void Builder::closeLoop()
loops.pop();
}
// Create a branch to the header of the given loop, from inside
// the loop body.
// Adjusts the phi node for the first-iteration value if needeed.
void Builder::createBranchToLoopHeaderFromInside(const Loop& loop)
{
createBranch(loop.header);
if (loop.isFirstIteration) {
loop.isFirstIteration->addIdOperand(makeBoolConstant(false));
loop.isFirstIteration->addIdOperand(getBuildPoint()->getId());
}
}
void Builder::clearAccessChain()
{
accessChain.base = 0;

54
SPIRV/SpvBuilder.h
View File

@@ -357,35 +357,25 @@ public:
// Finish off the innermost switch.
void endSwitch(std::vector<Block*>& segmentBB);
// Start the beginning of a new loop.
void makeNewLoop();
// Start the beginning of a new loop, and prepare the builder to
// generate code for the loop test.
// The loopTestFirst parameter is true when the loop test executes before
// the body. (It is false for do-while loops.)
void makeNewLoop(bool loopTestFirst);
// Add the branch for the loop test, based on the given condition.
// The true branch goes to the block that remains inside the loop, and
// The true branch goes to the first block in the loop body, and
// the false branch goes to the loop's merge block. The builder insertion
// point will be placed at the start of the inside-the-loop block.
// point will be placed at the start of the body.
void createLoopTestBranch(Id condition);
// Finish generating the loop header block in the case where the loop test
// is at the bottom of the loop. It will include the LoopMerge instruction
// and a branch to the rest of the body. The loop header block must be
// separate from the rest of the body to make room for the the two kinds
// of *Merge instructions that might have to occur just before a branch:
// the loop header must have a LoopMerge as its second-last instruction,
// and the body might begin with a conditional branch, which must have its
// own SelectionMerge instruction.
// Also create the basic block that will contain the loop test, but don't
// insert it into the function yet. Any "continue" constructs in this loop
// will branch to the loop test block. The builder insertion point will be
// placed at the start of the body block.
void endLoopHeaderWithoutTest();
// Generate a branch to the loop test block. This can only be called if
// the loop test is at the bottom of the loop. The builder insertion point
// is left at the start of the test block.
void createBranchToLoopTest();
// Generate an unconditional branch to the loop body. The builder insertion
// point will be placed at the start of the body. Use this when there is
// no loop test.
void createBranchToBody();
// Add a branch to the test of the current (innermost) loop.
// The way we generate code, that's also the loop header.
void createLoopContinue();
// Add an exit (e.g. "break") for the innermost loop that you're in
@@ -499,6 +489,9 @@ protected:
void createConditionalBranch(Id condition, Block* thenBlock, Block* elseBlock);
void dumpInstructions(std::vector<unsigned int>&, const std::vector<Instruction*>&) const;
struct Loop; // Defined below.
void createBranchToLoopHeaderFromInside(const Loop& loop);
SourceLanguage source;
int sourceVersion;
std::vector<const char*> extensions;
@@ -543,11 +536,18 @@ protected:
// to the merge block when either the loop test fails, or when a
// nested "break" is encountered.
Block* merge;
// If not NULL, the test block is the basic block containing the loop
// test and the conditional branch back to the header or the merge
// block. This is created for "do-while" loops, and is the target of
// any "continue" constructs that might exist.
Block* test;
// The body block is the first basic block in the body of the loop, i.e.
// the code that is to be repeatedly executed, aside from loop control.
// This member is null until we generate code that references the loop
// body block.
Block* body;
// True when the loop test executes before the body.
bool testFirst;
// When the test executes after the body, this is defined as the phi
// instruction that tells us whether we are on the first iteration of
// the loop. Otherwise this is null.
Instruction* isFirstIteration;
// The function containing the loop.
Function* function;
};

55
Test/baseResults/spv.do-simple.vert.out
View File

@@ -5,7 +5,7 @@ Linked vertex stage:
// Module Version 99
// Generated by (magic number): 51a00bb
// Id's are bound by 26
// Id's are bound by 30
Source ESSL 300
1: ExtInstImport "GLSL.std.450"
@@ -13,44 +13,51 @@ Linked vertex stage:
EntryPoint Vertex 4
Name 4 "main"
Name 9 "i"
Name 24 "gl_VertexID"
Name 25 "gl_InstanceID"
Name 28 "gl_VertexID"
Name 29 "gl_InstanceID"
Decorate 9(i) PrecisionHigh
Decorate 24(gl_VertexID) PrecisionHigh
Decorate 24(gl_VertexID) BuiltIn VertexId
Decorate 24(gl_VertexID) NoStaticUse
Decorate 25(gl_InstanceID) PrecisionHigh
Decorate 25(gl_InstanceID) BuiltIn InstanceId
Decorate 25(gl_InstanceID) NoStaticUse
Decorate 28(gl_VertexID) PrecisionHigh
Decorate 28(gl_VertexID) BuiltIn VertexId
Decorate 28(gl_VertexID) NoStaticUse
Decorate 29(gl_InstanceID) PrecisionHigh
Decorate 29(gl_InstanceID) BuiltIn InstanceId
Decorate 29(gl_InstanceID) NoStaticUse
2: TypeVoid
3: TypeFunction 2
7: TypeInt 32 1
8: TypePointer Function 7(int)
10: 7(int) Constant 0
16: 7(int) Constant 1
19: 7(int) Constant 10
20: TypeBool
23: TypePointer Input 7(int)
24(gl_VertexID): 23(ptr) Variable Input
25(gl_InstanceID): 23(ptr) Variable Input
14: TypeBool
15: 14(bool) ConstantTrue
20: 7(int) Constant 10
24: 7(int) Constant 1
26: 14(bool) ConstantFalse
27: TypePointer Input 7(int)
28(gl_VertexID): 27(ptr) Variable Input
29(gl_InstanceID): 27(ptr) Variable Input
4(main): 2 Function None 3
5: Label
9(i): 8(ptr) Variable Function
Store 9(i) 10
Branch 11
11: Label
13: 14(bool) Phi 15 5 26 17
LoopMerge 12 None
Branch 13
13: Label
15: 7(int) Load 9(i)
17: 7(int) IAdd 15 16
Store 9(i) 17
Branch 14
14: Label
18: 7(int) Load 9(i)
21: 20(bool) SLessThan 18 19
Branch 16
16: Label
SelectionMerge 17 None
BranchConditional 13 17 18
18: Label
19: 7(int) Load 9(i)
21: 14(bool) SLessThan 19 20
SelectionMerge 22 None
BranchConditional 21 22 12
22: Label
Branch 17
17: Label
23: 7(int) Load 9(i)
25: 7(int) IAdd 23 24
Store 9(i) 25
Branch 11
12: Label
Branch 6

143
Test/baseResults/spv.do-while-continue-break.vert.out
View File

@@ -5,7 +5,7 @@ Linked vertex stage:
// Module Version 99
// Generated by (magic number): 51a00bb
// Id's are bound by 48
// Id's are bound by 52
Source ESSL 300
1: ExtInstImport "GLSL.std.450"
@@ -13,97 +13,104 @@ Linked vertex stage:
EntryPoint Vertex 4
Name 4 "main"
Name 9 "i"
Name 15 "A"
Name 22 "B"
Name 25 "C"
Name 31 "D"
Name 34 "E"
Name 36 "F"
Name 43 "G"
Name 46 "gl_VertexID"
Name 47 "gl_InstanceID"
Name 25 "A"
Name 31 "B"
Name 34 "C"
Name 40 "D"
Name 43 "E"
Name 45 "F"
Name 47 "G"
Name 50 "gl_VertexID"
Name 51 "gl_InstanceID"
Decorate 9(i) PrecisionHigh
Decorate 15(A) PrecisionHigh
Decorate 22(B) PrecisionHigh
Decorate 25(C) PrecisionHigh
Decorate 31(D) PrecisionHigh
Decorate 34(E) PrecisionHigh
Decorate 36(F) PrecisionHigh
Decorate 43(G) PrecisionHigh
Decorate 46(gl_VertexID) PrecisionHigh
Decorate 46(gl_VertexID) BuiltIn VertexId
Decorate 46(gl_VertexID) NoStaticUse
Decorate 47(gl_InstanceID) PrecisionHigh
Decorate 47(gl_InstanceID) BuiltIn InstanceId
Decorate 47(gl_InstanceID) NoStaticUse
Decorate 25(A) PrecisionHigh
Decorate 31(B) PrecisionHigh
Decorate 34(C) PrecisionHigh
Decorate 40(D) PrecisionHigh
Decorate 43(E) PrecisionHigh
Decorate 45(F) PrecisionHigh
Decorate 47(G) PrecisionHigh
Decorate 50(gl_VertexID) PrecisionHigh
Decorate 50(gl_VertexID) BuiltIn VertexId
Decorate 50(gl_VertexID) NoStaticUse
Decorate 51(gl_InstanceID) PrecisionHigh
Decorate 51(gl_InstanceID) BuiltIn InstanceId
Decorate 51(gl_InstanceID) NoStaticUse
2: TypeVoid
3: TypeFunction 2
7: TypeInt 32 1
8: TypePointer Function 7(int)
10: 7(int) Constant 0
17: 7(int) Constant 2
18: TypeBool
23: 7(int) Constant 1
27: 7(int) Constant 5
32: 7(int) Constant 3
35: 7(int) Constant 42
37: 7(int) Constant 99
40: 7(int) Constant 19
44: 7(int) Constant 12
45: TypePointer Input 7(int)
46(gl_VertexID): 45(ptr) Variable Input
47(gl_InstanceID): 45(ptr) Variable Input
14: TypeBool
15: 14(bool) ConstantTrue
20: 7(int) Constant 1
22: 7(int) Constant 19
27: 7(int) Constant 2
32: 14(bool) ConstantFalse
36: 7(int) Constant 5
41: 7(int) Constant 3
44: 7(int) Constant 42
46: 7(int) Constant 99
48: 7(int) Constant 12
49: TypePointer Input 7(int)
50(gl_VertexID): 49(ptr) Variable Input
51(gl_InstanceID): 49(ptr) Variable Input
4(main): 2 Function None 3
5: Label
9(i): 8(ptr) Variable Function
15(A): 8(ptr) Variable Function
22(B): 8(ptr) Variable Function
25(C): 8(ptr) Variable Function
31(D): 8(ptr) Variable Function
34(E): 8(ptr) Variable Function
36(F): 8(ptr) Variable Function
43(G): 8(ptr) Variable Function
25(A): 8(ptr) Variable Function
31(B): 8(ptr) Variable Function
34(C): 8(ptr) Variable Function
40(D): 8(ptr) Variable Function
43(E): 8(ptr) Variable Function
45(F): 8(ptr) Variable Function
47(G): 8(ptr) Variable Function
Store 9(i) 10
Branch 11
11: Label
13: 14(bool) Phi 15 5 32 29 32 39
LoopMerge 12 None
Branch 13
13: Label
Store 15(A) 10
16: 7(int) Load 9(i)
19: 18(bool) IEqual 16 17
SelectionMerge 21 None
BranchConditional 19 20 21
20: Label
Store 22(B) 23
Branch 14
Branch 16
16: Label
SelectionMerge 17 None
BranchConditional 13 17 18
18: Label
19: 7(int) Load 9(i)
21: 7(int) IAdd 19 20
Store 9(i) 21
23: 14(bool) SLessThan 21 22
SelectionMerge 24 None
BranchConditional 23 24 12
24: Label
Store 25(C) 17
Branch 21
21: Label
Branch 17
17: Label
Store 25(A) 10
26: 7(int) Load 9(i)
28: 18(bool) IEqual 26 27
28: 14(bool) IEqual 26 27
SelectionMerge 30 None
BranchConditional 28 29 30
29: Label
Store 31(D) 32
Branch 12
Store 31(B) 20
Branch 11
33: Label
Store 34(E) 35
Store 34(C) 27
Branch 30
30: Label
Store 36(F) 37
Branch 14
14: Label
38: 7(int) Load 9(i)
39: 7(int) IAdd 38 23
Store 9(i) 39
41: 18(bool) SLessThan 39 40
BranchConditional 41 42 12
35: 7(int) Load 9(i)
37: 14(bool) IEqual 35 36
SelectionMerge 39 None
BranchConditional 37 38 39
38: Label
Store 40(D) 41
Branch 12
42: Label
Store 43(E) 44
Branch 39
39: Label
Store 45(F) 46
Branch 11
12: Label
Store 43(G) 44
Store 47(G) 48
Branch 6
6: Label
Return

63
Test/baseResults/spv.doWhileLoop.frag.out
View File

@@ -5,7 +5,7 @@ Linked fragment stage:
// Module Version 99
// Generated by (magic number): 51a00bb
// Id's are bound by 34
// Id's are bound by 38
Source GLSL 110
1: ExtInstImport "GLSL.std.450"
@@ -14,11 +14,11 @@ Linked fragment stage:
Name 4 "main"
Name 10 "color"
Name 12 "BaseColor"
Name 19 "bigColor"
Name 26 "d"
Name 32 "gl_FragColor"
Name 25 "d"
Name 30 "bigColor"
Name 36 "gl_FragColor"
Decorate 12(BaseColor) Smooth
Decorate 32(gl_FragColor) BuiltIn FragColor
Decorate 36(gl_FragColor) BuiltIn FragColor
2: TypeVoid
3: TypeFunction 2
7: TypeFloat 32
@@ -26,13 +26,15 @@ Linked fragment stage:
9: TypePointer Function 8(fvec4)
11: TypePointer Input 8(fvec4)
12(BaseColor): 11(ptr) Variable Input
18: TypePointer UniformConstant 8(fvec4)
19(bigColor): 18(ptr) Variable UniformConstant
25: TypePointer UniformConstant 7(float)
26(d): 25(ptr) Variable UniformConstant
28: TypeBool
31: TypePointer Output 8(fvec4)
32(gl_FragColor): 31(ptr) Variable Output
17: TypeBool
18: 17(bool) ConstantTrue
24: TypePointer UniformConstant 7(float)
25(d): 24(ptr) Variable UniformConstant
29: TypePointer UniformConstant 8(fvec4)
30(bigColor): 29(ptr) Variable UniformConstant
34: 17(bool) ConstantFalse
35: TypePointer Output 8(fvec4)
36(gl_FragColor): 35(ptr) Variable Output
4(main): 2 Function None 3
5: Label
10(color): 9(ptr) Variable Function
@@ -40,25 +42,30 @@ Linked fragment stage:
Store 10(color) 13
Branch 14
14: Label
16: 17(bool) Phi 18 5 34 20
LoopMerge 15 None
Branch 16
16: Label
20: 8(fvec4) Load 19(bigColor)
21: 8(fvec4) Load 10(color)
22: 8(fvec4) FAdd 21 20
Store 10(color) 22
Branch 17
17: Label
23: 8(fvec4) Load 10(color)
24: 7(float) CompositeExtract 23 0
27: 7(float) Load 26(d)
29: 28(bool) FOrdLessThan 24 27
BranchConditional 29 30 15
30: Label
Branch 19
19: Label
SelectionMerge 20 None
BranchConditional 16 20 21
21: Label
22: 8(fvec4) Load 10(color)
23: 7(float) CompositeExtract 22 0
26: 7(float) Load 25(d)
27: 17(bool) FOrdLessThan 23 26
SelectionMerge 28 None
BranchConditional 27 28 15
28: Label
Branch 20
20: Label
31: 8(fvec4) Load 30(bigColor)
32: 8(fvec4) Load 10(color)
33: 8(fvec4) FAdd 32 31
Store 10(color) 33
Branch 14
15: Label
33: 8(fvec4) Load 10(color)
Store 32(gl_FragColor) 33
37: 8(fvec4) Load 10(color)
Store 36(gl_FragColor) 37
Branch 6
6: Label
Return

1679
Test/baseResults/spv.loops.frag.out
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File diff suppressed because it is too large Load Diff

617
Test/baseResults/spv.loopsArtificial.frag.out
View File

@@ -7,7 +7,7 @@ Linked fragment stage:
// Module Version 99
// Generated by (magic number): 51a00bb
// Id's are bound by 192
// Id's are bound by 196
Source GLSL 130
1: ExtInstImport "GLSL.std.450"
@@ -16,98 +16,98 @@ Linked fragment stage:
Name 4 "main"
Name 10 "color"
Name 12 "BaseColor"
Name 19 "bigColor4"
Name 26 "d4"
Name 79 "d13"
Name 145 "gl_FragColor"
Name 147 "bigColor"
Name 148 "bigColor1_1"
Name 149 "bigColor1_2"
Name 150 "bigColor1_3"
Name 151 "bigColor2"
Name 152 "bigColor3"
Name 153 "bigColor5"
Name 154 "bigColor6"
Name 155 "bigColor7"
Name 156 "bigColor8"
Name 157 "d"
Name 158 "d2"
Name 159 "d3"
Name 160 "d5"
Name 161 "d6"
Name 162 "d7"
Name 163 "d8"
Name 164 "d9"
Name 165 "d10"
Name 166 "d11"
Name 167 "d12"
Name 168 "d14"
Name 169 "d15"
Name 170 "d16"
Name 171 "d17"
Name 172 "d18"
Name 173 "d19"
Name 174 "d20"
Name 175 "d21"
Name 176 "d22"
Name 177 "d23"
Name 178 "d24"
Name 179 "d25"
Name 180 "d26"
Name 181 "d27"
Name 182 "d28"
Name 183 "d29"
Name 184 "d30"
Name 185 "d31"
Name 186 "d32"
Name 187 "d33"
Name 188 "d34"
Name 191 "Count"
Name 25 "d4"
Name 30 "bigColor4"
Name 83 "d13"
Name 149 "gl_FragColor"
Name 151 "bigColor"
Name 152 "bigColor1_1"
Name 153 "bigColor1_2"
Name 154 "bigColor1_3"
Name 155 "bigColor2"
Name 156 "bigColor3"
Name 157 "bigColor5"
Name 158 "bigColor6"
Name 159 "bigColor7"
Name 160 "bigColor8"
Name 161 "d"
Name 162 "d2"
Name 163 "d3"
Name 164 "d5"
Name 165 "d6"
Name 166 "d7"
Name 167 "d8"
Name 168 "d9"
Name 169 "d10"
Name 170 "d11"
Name 171 "d12"
Name 172 "d14"
Name 173 "d15"
Name 174 "d16"
Name 175 "d17"
Name 176 "d18"
Name 177 "d19"
Name 178 "d20"
Name 179 "d21"
Name 180 "d22"
Name 181 "d23"
Name 182 "d24"
Name 183 "d25"
Name 184 "d26"
Name 185 "d27"
Name 186 "d28"
Name 187 "d29"
Name 188 "d30"
Name 189 "d31"
Name 190 "d32"
Name 191 "d33"
Name 192 "d34"
Name 195 "Count"
Decorate 12(BaseColor) Smooth
Decorate 145(gl_FragColor) BuiltIn FragColor
Decorate 147(bigColor) NoStaticUse
Decorate 148(bigColor1_1) NoStaticUse
Decorate 149(bigColor1_2) NoStaticUse
Decorate 150(bigColor1_3) NoStaticUse
Decorate 151(bigColor2) NoStaticUse
Decorate 152(bigColor3) NoStaticUse
Decorate 153(bigColor5) NoStaticUse
Decorate 154(bigColor6) NoStaticUse
Decorate 155(bigColor7) NoStaticUse
Decorate 156(bigColor8) NoStaticUse
Decorate 157(d) NoStaticUse
Decorate 158(d2) NoStaticUse
Decorate 159(d3) NoStaticUse
Decorate 160(d5) NoStaticUse
Decorate 161(d6) NoStaticUse
Decorate 162(d7) NoStaticUse
Decorate 163(d8) NoStaticUse
Decorate 164(d9) NoStaticUse
Decorate 165(d10) NoStaticUse
Decorate 166(d11) NoStaticUse
Decorate 167(d12) NoStaticUse
Decorate 168(d14) NoStaticUse
Decorate 169(d15) NoStaticUse
Decorate 170(d16) NoStaticUse
Decorate 171(d17) NoStaticUse
Decorate 172(d18) NoStaticUse
Decorate 173(d19) NoStaticUse
Decorate 174(d20) NoStaticUse
Decorate 175(d21) NoStaticUse
Decorate 176(d22) NoStaticUse
Decorate 177(d23) NoStaticUse
Decorate 178(d24) NoStaticUse
Decorate 179(d25) NoStaticUse
Decorate 180(d26) NoStaticUse
Decorate 181(d27) NoStaticUse
Decorate 182(d28) NoStaticUse
Decorate 183(d29) NoStaticUse
Decorate 184(d30) NoStaticUse
Decorate 185(d31) NoStaticUse
Decorate 186(d32) NoStaticUse
Decorate 187(d33) NoStaticUse
Decorate 188(d34) NoStaticUse
Decorate 191(Count) NoStaticUse
Decorate 149(gl_FragColor) BuiltIn FragColor
Decorate 151(bigColor) NoStaticUse
Decorate 152(bigColor1_1) NoStaticUse
Decorate 153(bigColor1_2) NoStaticUse
Decorate 154(bigColor1_3) NoStaticUse
Decorate 155(bigColor2) NoStaticUse
Decorate 156(bigColor3) NoStaticUse
Decorate 157(bigColor5) NoStaticUse
Decorate 158(bigColor6) NoStaticUse
Decorate 159(bigColor7) NoStaticUse
Decorate 160(bigColor8) NoStaticUse
Decorate 161(d) NoStaticUse
Decorate 162(d2) NoStaticUse
Decorate 163(d3) NoStaticUse
Decorate 164(d5) NoStaticUse
Decorate 165(d6) NoStaticUse
Decorate 166(d7) NoStaticUse
Decorate 167(d8) NoStaticUse
Decorate 168(d9) NoStaticUse
Decorate 169(d10) NoStaticUse
Decorate 170(d11) NoStaticUse
Decorate 171(d12) NoStaticUse
Decorate 172(d14) NoStaticUse
Decorate 173(d15) NoStaticUse
Decorate 174(d16) NoStaticUse
Decorate 175(d17) NoStaticUse
Decorate 176(d18) NoStaticUse
Decorate 177(d19) NoStaticUse
Decorate 178(d20) NoStaticUse
Decorate 179(d21) NoStaticUse
Decorate 180(d22) NoStaticUse
Decorate 181(d23) NoStaticUse
Decorate 182(d24) NoStaticUse
Decorate 183(d25) NoStaticUse
Decorate 184(d26) NoStaticUse
Decorate 185(d27) NoStaticUse
Decorate 186(d28) NoStaticUse
Decorate 187(d29) NoStaticUse
Decorate 188(d30) NoStaticUse
Decorate 189(d31) NoStaticUse
Decorate 190(d32) NoStaticUse
Decorate 191(d33) NoStaticUse
Decorate 192(d34) NoStaticUse
Decorate 195(Count) NoStaticUse
2: TypeVoid
3: TypeFunction 2
7: TypeFloat 32
@@ -115,61 +115,63 @@ Linked fragment stage:
9: TypePointer Function 8(fvec4)
11: TypePointer Input 8(fvec4)
12(BaseColor): 11(ptr) Variable Input
18: TypePointer UniformConstant 8(fvec4)
19(bigColor4): 18(ptr) Variable UniformConstant
25: TypePointer UniformConstant 7(float)
26(d4): 25(ptr) Variable UniformConstant
28: TypeBool
32: 7(float) Constant 1073741824
46: 7(float) Constant 1065353216
79(d13): 25(ptr) Variable UniformConstant
144: TypePointer Output 8(fvec4)
145(gl_FragColor): 144(ptr) Variable Output
147(bigColor): 18(ptr) Variable UniformConstant
148(bigColor1_1): 18(ptr) Variable UniformConstant
149(bigColor1_2): 18(ptr) Variable UniformConstant
150(bigColor1_3): 18(ptr) Variable UniformConstant
151(bigColor2): 18(ptr) Variable UniformConstant
152(bigColor3): 18(ptr) Variable UniformConstant
153(bigColor5): 18(ptr) Variable UniformConstant
154(bigColor6): 18(ptr) Variable UniformConstant
155(bigColor7): 18(ptr) Variable UniformConstant
156(bigColor8): 18(ptr) Variable UniformConstant
157(d): 25(ptr) Variable UniformConstant
158(d2): 25(ptr) Variable UniformConstant
159(d3): 25(ptr) Variable UniformConstant
160(d5): 25(ptr) Variable UniformConstant
161(d6): 25(ptr) Variable UniformConstant
162(d7): 25(ptr) Variable UniformConstant
163(d8): 25(ptr) Variable UniformConstant
164(d9): 25(ptr) Variable UniformConstant
165(d10): 25(ptr) Variable UniformConstant
166(d11): 25(ptr) Variable UniformConstant
167(d12): 25(ptr) Variable UniformConstant
168(d14): 25(ptr) Variable UniformConstant
169(d15): 25(ptr) Variable UniformConstant
170(d16): 25(ptr) Variable UniformConstant
171(d17): 25(ptr) Variable UniformConstant
172(d18): 25(ptr) Variable UniformConstant
173(d19): 25(ptr) Variable UniformConstant
174(d20): 25(ptr) Variable UniformConstant
175(d21): 25(ptr) Variable UniformConstant
176(d22): 25(ptr) Variable UniformConstant
177(d23): 25(ptr) Variable UniformConstant
178(d24): 25(ptr) Variable UniformConstant
179(d25): 25(ptr) Variable UniformConstant
180(d26): 25(ptr) Variable UniformConstant
181(d27): 25(ptr) Variable UniformConstant
182(d28): 25(ptr) Variable UniformConstant
183(d29): 25(ptr) Variable UniformConstant
184(d30): 25(ptr) Variable UniformConstant
185(d31): 25(ptr) Variable UniformConstant
186(d32): 25(ptr) Variable UniformConstant
187(d33): 25(ptr) Variable UniformConstant
188(d34): 25(ptr) Variable UniformConstant
189: TypeInt 32 1
190: TypePointer UniformConstant 189(int)
191(Count): 190(ptr) Variable UniformConstant
17: TypeBool
18: 17(bool) ConstantTrue
24: TypePointer UniformConstant 7(float)
25(d4): 24(ptr) Variable UniformConstant
29: TypePointer UniformConstant 8(fvec4)
30(bigColor4): 29(ptr) Variable UniformConstant
40: 7(float) Constant 1073741824
54: 7(float) Constant 1065353216
58: 17(bool) ConstantFalse
83(d13): 24(ptr) Variable UniformConstant
148: TypePointer Output 8(fvec4)
149(gl_FragColor): 148(ptr) Variable Output
151(bigColor): 29(ptr) Variable UniformConstant
152(bigColor1_1): 29(ptr) Variable UniformConstant
153(bigColor1_2): 29(ptr) Variable UniformConstant
154(bigColor1_3): 29(ptr) Variable UniformConstant
155(bigColor2): 29(ptr) Variable UniformConstant
156(bigColor3): 29(ptr) Variable UniformConstant
157(bigColor5): 29(ptr) Variable UniformConstant
158(bigColor6): 29(ptr) Variable UniformConstant
159(bigColor7): 29(ptr) Variable UniformConstant
160(bigColor8): 29(ptr) Variable UniformConstant
161(d): 24(ptr) Variable UniformConstant
162(d2): 24(ptr) Variable UniformConstant
163(d3): 24(ptr) Variable UniformConstant
164(d5): 24(ptr) Variable UniformConstant
165(d6): 24(ptr) Variable UniformConstant
166(d7): 24(ptr) Variable UniformConstant
167(d8): 24(ptr) Variable UniformConstant
168(d9): 24(ptr) Variable UniformConstant
169(d10): 24(ptr) Variable UniformConstant
170(d11): 24(ptr) Variable UniformConstant
171(d12): 24(ptr) Variable UniformConstant
172(d14): 24(ptr) Variable UniformConstant
173(d15): 24(ptr) Variable UniformConstant
174(d16): 24(ptr) Variable UniformConstant
175(d17): 24(ptr) Variable UniformConstant
176(d18): 24(ptr) Variable UniformConstant
177(d19): 24(ptr) Variable UniformConstant
178(d20): 24(ptr) Variable UniformConstant
179(d21): 24(ptr) Variable UniformConstant
180(d22): 24(ptr) Variable UniformConstant
181(d23): 24(ptr) Variable UniformConstant
182(d24): 24(ptr) Variable UniformConstant
183(d25): 24(ptr) Variable UniformConstant
184(d26): 24(ptr) Variable UniformConstant
185(d27): 24(ptr) Variable UniformConstant
186(d28): 24(ptr) Variable UniformConstant
187(d29): 24(ptr) Variable UniformConstant
188(d30): 24(ptr) Variable UniformConstant
189(d31): 24(ptr) Variable UniformConstant
190(d32): 24(ptr) Variable UniformConstant
191(d33): 24(ptr) Variable UniformConstant
192(d34): 24(ptr) Variable UniformConstant
193: TypeInt 32 1
194: TypePointer UniformConstant 193(int)
195(Count): 194(ptr) Variable UniformConstant
4(main): 2 Function None 3
5: Label
10(color): 9(ptr) Variable Function
@@ -177,173 +179,178 @@ Linked fragment stage:
Store 10(color) 13
Branch 14
14: Label
16: 17(bool) Phi 18 5 58 50 58 65
LoopMerge 15 None
Branch 16
16: Label
20: 8(fvec4) Load 19(bigColor4)
21: 8(fvec4) Load 10(color)
22: 8(fvec4) FAdd 21 20
Store 10(color) 22
23: 8(fvec4) Load 10(color)
24: 7(float) CompositeExtract 23 0
27: 7(float) Load 26(d4)
29: 28(bool) FOrdLessThan 24 27
SelectionMerge 31 None
BranchConditional 29 30 31
30: Label
33: 8(fvec4) Load 10(color)
34: 7(float) CompositeExtract 33 2
35: 7(float) FAdd 34 32
36: 8(fvec4) Load 10(color)
37: 8(fvec4) CompositeInsert 35 36 2
Store 10(color) 37
38: 8(fvec4) Load 10(color)
39: 7(float) CompositeExtract 38 2
40: 7(float) Load 26(d4)
41: 28(bool) FOrdLessThan 39 40
SelectionMerge 43 None
BranchConditional 41 42 43
42: Label
Branch 19
19: Label
SelectionMerge 20 None
BranchConditional 16 20 21
21: Label
22: 8(fvec4) Load 10(color)
23: 7(float) CompositeExtract 22 2
26: 7(float) Load 25(d4)
27: 17(bool) FOrdLessThan 23 26
SelectionMerge 28 None
BranchConditional 27 28 15
28: Label
Branch 20
20: Label
31: 8(fvec4) Load 30(bigColor4)
32: 8(fvec4) Load 10(color)
33: 8(fvec4) FAdd 32 31
Store 10(color) 33
34: 8(fvec4) Load 10(color)
35: 7(float) CompositeExtract 34 0
36: 7(float) Load 25(d4)
37: 17(bool) FOrdLessThan 35 36
SelectionMerge 39 None
BranchConditional 37 38 39
38: Label
41: 8(fvec4) Load 10(color)
42: 7(float) CompositeExtract 41 2
43: 7(float) FAdd 42 40
44: 8(fvec4) Load 10(color)
45: 7(float) CompositeExtract 44 0
47: 7(float) FAdd 45 46
48: 8(fvec4) Load 10(color)
49: 8(fvec4) CompositeInsert 47 48 0
Store 10(color) 49
Branch 17
43: Label
Branch 31
31: Label
51: 8(fvec4) Load 10(color)
52: 7(float) CompositeExtract 51 1
53: 7(float) Load 26(d4)
54: 28(bool) FOrdLessThan 52 53
SelectionMerge 56 None
BranchConditional 54 55 63
55: Label
57: 7(float) Load 26(d4)
58: 8(fvec4) Load 10(color)
59: 7(float) CompositeExtract 58 1
60: 7(float) FAdd 59 57
61: 8(fvec4) Load 10(color)
62: 8(fvec4) CompositeInsert 60 61 1
Store 10(color) 62
Branch 56
63: Label
64: 7(float) Load 26(d4)
65: 8(fvec4) Load 10(color)
66: 7(float) CompositeExtract 65 0
67: 7(float) FAdd 66 64
68: 8(fvec4) Load 10(color)
69: 8(fvec4) CompositeInsert 67 68 0
Store 10(color) 69
Branch 56
56: Label
Branch 17
17: Label
45: 8(fvec4) CompositeInsert 43 44 2
Store 10(color) 45
46: 8(fvec4) Load 10(color)
47: 7(float) CompositeExtract 46 2
48: 7(float) Load 25(d4)
49: 17(bool) FOrdLessThan 47 48
SelectionMerge 51 None
BranchConditional 49 50 51
50: Label
52: 8(fvec4) Load 10(color)
53: 7(float) CompositeExtract 52 0
55: 7(float) FAdd 53 54
56: 8(fvec4) Load 10(color)
57: 8(fvec4) CompositeInsert 55 56 0
Store 10(color) 57
Branch 14
51: Label
Branch 39
39: Label
60: 8(fvec4) Load 10(color)
61: 7(float) CompositeExtract 60 1
62: 7(float) Load 25(d4)
63: 17(bool) FOrdLessThan 61 62
SelectionMerge 65 None
BranchConditional 63 64 72
64: Label
66: 7(float) Load 25(d4)
67: 8(fvec4) Load 10(color)
68: 7(float) CompositeExtract 67 1
69: 7(float) FAdd 68 66
70: 8(fvec4) Load 10(color)
71: 7(float) CompositeExtract 70 2
72: 7(float) Load 26(d4)
73: 28(bool) FOrdLessThan 71 72
BranchConditional 73 74 15
74: Label
71: 8(fvec4) CompositeInsert 69 70 1
Store 10(color) 71
Branch 65
72: Label
73: 7(float) Load 25(d4)
74: 8(fvec4) Load 10(color)
75: 7(float) CompositeExtract 74 0
76: 7(float) FAdd 75 73
77: 8(fvec4) Load 10(color)
78: 8(fvec4) CompositeInsert 76 77 0
Store 10(color) 78
Branch 65
65: Label
Branch 14
15: Label
Branch 75
75: Label
77: 8(fvec4) Load 10(color)
78: 7(float) CompositeExtract 77 3
80: 7(float) Load 79(d13)
81: 28(bool) FOrdLessThan 78 80
LoopMerge 76 None
BranchConditional 81 82 76
82: Label
83: 8(fvec4) Load 10(color)
84: 7(float) CompositeExtract 83 2
85: 7(float) Load 79(d13)
86: 28(bool) FOrdLessThan 84 85
SelectionMerge 88 None
BranchConditional 86 87 92
87: Label
89: 8(fvec4) Load 10(color)
90: 8(fvec4) CompositeConstruct 46 46 46 46
91: 8(fvec4) FAdd 89 90
Store 10(color) 91
Branch 88
92: Label
Branch 79
79: Label
81: 8(fvec4) Load 10(color)
82: 7(float) CompositeExtract 81 3
84: 7(float) Load 83(d13)
85: 17(bool) FOrdLessThan 82 84
LoopMerge 80 None
BranchConditional 85 86 80
86: Label
87: 8(fvec4) Load 10(color)
88: 7(float) CompositeExtract 87 2
89: 7(float) Load 83(d13)
90: 17(bool) FOrdLessThan 88 89
SelectionMerge 92 None
BranchConditional 90 91 96
91: Label
93: 8(fvec4) Load 10(color)
94: 8(fvec4) CompositeConstruct 46 46 46 46
95: 8(fvec4) FSub 93 94
94: 8(fvec4) CompositeConstruct 54 54 54 54
95: 8(fvec4) FAdd 93 94
Store 10(color) 95
Branch 88
88: Label
96: 8(fvec4) Load 19(bigColor4)
Branch 92
96: Label
97: 8(fvec4) Load 10(color)
98: 8(fvec4) FAdd 97 96
Store 10(color) 98
99: 8(fvec4) Load 10(color)
100: 7(float) CompositeExtract 99 0
101: 7(float) Load 26(d4)
102: 28(bool) FOrdLessThan 100 101
SelectionMerge 104 None
BranchConditional 102 103 104
103: Label
105: 8(fvec4) Load 10(color)
106: 7(float) CompositeExtract 105 2
107: 7(float) FAdd 106 32
108: 8(fvec4) Load 10(color)
109: 8(fvec4) CompositeInsert 107 108 2
Store 10(color) 109
110: 8(fvec4) Load 10(color)
111: 7(float) CompositeExtract 110 2
112: 7(float) Load 26(d4)
113: 28(bool) FOrdLessThan 111 112
SelectionMerge 115 None
BranchConditional 113 114 115
114: Label
116: 8(fvec4) Load 10(color)
117: 7(float) CompositeExtract 116 0
118: 7(float) FAdd 117 46
119: 8(fvec4) Load 10(color)
120: 8(fvec4) CompositeInsert 118 119 0
Store 10(color) 120
Branch 75
115: Label
Branch 104
104: Label
122: 8(fvec4) Load 10(color)
123: 7(float) CompositeExtract 122 1
124: 7(float) Load 26(d4)
125: 28(bool) FOrdLessThan 123 124
SelectionMerge 127 None
BranchConditional 125 126 134
126: Label
128: 7(float) Load 26(d4)
129: 8(fvec4) Load 10(color)
130: 7(float) CompositeExtract 129 1
131: 7(float) FAdd 130 128
132: 8(fvec4) Load 10(color)
133: 8(fvec4) CompositeInsert 131 132 1
Store 10(color) 133
Branch 127
134: Label
135: 7(float) Load 26(d4)
98: 8(fvec4) CompositeConstruct 54 54 54 54
99: 8(fvec4) FSub 97 98
Store 10(color) 99
Branch 92
92: Label
100: 8(fvec4) Load 30(bigColor4)
101: 8(fvec4) Load 10(color)
102: 8(fvec4) FAdd 101 100
Store 10(color) 102
103: 8(fvec4) Load 10(color)
104: 7(float) CompositeExtract 103 0
105: 7(float) Load 25(d4)
106: 17(bool) FOrdLessThan 104 105
SelectionMerge 108 None
BranchConditional 106 107 108
107: Label
109: 8(fvec4) Load 10(color)
110: 7(float) CompositeExtract 109 2
111: 7(float) FAdd 110 40
112: 8(fvec4) Load 10(color)
113: 8(fvec4) CompositeInsert 111 112 2
Store 10(color) 113
114: 8(fvec4) Load 10(color)
115: 7(float) CompositeExtract 114 2
116: 7(float) Load 25(d4)
117: 17(bool) FOrdLessThan 115 116
SelectionMerge 119 None
BranchConditional 117 118 119
118: Label
120: 8(fvec4) Load 10(color)
121: 7(float) CompositeExtract 120 0
122: 7(float) FAdd 121 54
123: 8(fvec4) Load 10(color)
124: 8(fvec4) CompositeInsert 122 123 0
Store 10(color) 124
Branch 79
119: Label
Branch 108
108: Label
126: 8(fvec4) Load 10(color)
127: 7(float) CompositeExtract 126 1
128: 7(float) Load 25(d4)
129: 17(bool) FOrdLessThan 127 128
SelectionMerge 131 None
BranchConditional 129 130 138
130: Label
132: 7(float) Load 25(d4)
133: 8(fvec4) Load 10(color)
134: 7(float) CompositeExtract 133 1
135: 7(float) FAdd 134 132
136: 8(fvec4) Load 10(color)
137: 7(float) CompositeExtract 136 0
138: 7(float) FAdd 137 135
139: 8(fvec4) Load 10(color)
140: 8(fvec4) CompositeInsert 138 139 0
Store 10(color) 140
Branch 127
127: Label
Branch 75
76: Label
141: 8(fvec4) Load 10(color)
142: 8(fvec4) CompositeConstruct 46 46 46 46
143: 8(fvec4) FAdd 141 142
Store 10(color) 143
146: 8(fvec4) Load 10(color)
Store 145(gl_FragColor) 146
137: 8(fvec4) CompositeInsert 135 136 1
Store 10(color) 137
Branch 131
138: Label
139: 7(float) Load 25(d4)
140: 8(fvec4) Load 10(color)
141: 7(float) CompositeExtract 140 0
142: 7(float) FAdd 141 139
143: 8(fvec4) Load 10(color)
144: 8(fvec4) CompositeInsert 142 143 0
Store 10(color) 144
Branch 131
131: Label
Branch 79
80: Label
145: 8(fvec4) Load 10(color)
146: 8(fvec4) CompositeConstruct 54 54 54 54
147: 8(fvec4) FAdd 145 146
Store 10(color) 147
150: 8(fvec4) Load 10(color)
Store 149(gl_FragColor) 150
Branch 6
6: Label
Return