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llvm-mirror/test/TableGen/ForeachLoop.td

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Add Foreach Loop Add some data structures to represent for loops. These will be referenced during object processing to do any needed iteration and instantiation. Add foreach keyword support to the lexer. Add a mode to indicate that we're parsing a foreach loop. This allows the value parser to early-out when processing the foreach value list. Add a routine to parse foreach iteration declarations. This is separate from ParseDeclaration because the type of the named value (the iterator) doesn't match the type of the initializer value (the value list). It also needs to add two values to the foreach record: the iterator and the value list. Add parsing support for foreach. Add the code to process foreach loops and create defs based on iterator values. Allow foreach loops to be matched at the top level. When parsing an IDValue check if it is a foreach loop iterator for one of the active loops. If so, return a VarInit for it. Add Emacs keyword support for foreach. Add VIM keyword support for foreach. Add tests to check foreach operation. Add TableGen documentation for foreach. Support foreach with multiple objects. Support non-braced foreach body with one object. Do not require types for the foreach declaration. Assume the iterator type from the iteration list element type. llvm-svn: 151164
2012-02-22 16:09:41 +00:00
// RUN: llvm-tblgen %s | FileCheck %s
class Register<string name, int idx> {
string Name = name;
int Index = idx;
}
Add support for range expressions in TableGen foreach loops. Like this: foreach i = 0-127 in ... Use braces for composite ranges: foreach i = {0-3,9-7} in ... llvm-svn: 157432
2012-05-24 22:17:39 +00:00
// CHECK-NOT: !strconcat
foreach i = 0-3 in
def Q#i : Register<"Q"#i, i>;
// CHECK: def Q0
// CHECK: def Q1
// CHECK: def Q2
// CHECK: def Q3
Add Foreach Loop Add some data structures to represent for loops. These will be referenced during object processing to do any needed iteration and instantiation. Add foreach keyword support to the lexer. Add a mode to indicate that we're parsing a foreach loop. This allows the value parser to early-out when processing the foreach value list. Add a routine to parse foreach iteration declarations. This is separate from ParseDeclaration because the type of the named value (the iterator) doesn't match the type of the initializer value (the value list). It also needs to add two values to the foreach record: the iterator and the value list. Add parsing support for foreach. Add the code to process foreach loops and create defs based on iterator values. Allow foreach loops to be matched at the top level. When parsing an IDValue check if it is a foreach loop iterator for one of the active loops. If so, return a VarInit for it. Add Emacs keyword support for foreach. Add VIM keyword support for foreach. Add tests to check foreach operation. Add TableGen documentation for foreach. Support foreach with multiple objects. Support non-braced foreach body with one object. Do not require types for the foreach declaration. Assume the iterator type from the iteration list element type. llvm-svn: 151164
2012-02-22 16:09:41 +00:00
foreach i = [0, 1, 2, 3, 4, 5, 6, 7] in
def R#i : Register<"R"#i, i>;
// CHECK: def R0
// CHECK: string Name = "R0";
// CHECK: int Index = 0;
// CHECK: def R1
// CHECK: string Name = "R1";
// CHECK: int Index = 1;
// CHECK: def R2
// CHECK: string Name = "R2";
// CHECK: int Index = 2;
// CHECK: def R3
// CHECK: string Name = "R3";
// CHECK: int Index = 3;
// CHECK: def R4
// CHECK: string Name = "R4";
// CHECK: int Index = 4;
// CHECK: def R5
// CHECK: string Name = "R5";
// CHECK: int Index = 5;
// CHECK: def R6
// CHECK: string Name = "R6";
// CHECK: int Index = 6;
// CHECK: def R7
// CHECK: string Name = "R7";
// CHECK: int Index = 7;
Add support for range expressions in TableGen foreach loops. Like this: foreach i = 0-127 in ... Use braces for composite ranges: foreach i = {0-3,9-7} in ... llvm-svn: 157432
2012-05-24 22:17:39 +00:00
foreach i = {0-3,9-7} in
def S#i : Register<"Q"#i, i>;
// CHECK: def S0
// CHECK: def S1
// CHECK: def S2
// CHECK: def S3
// CHECK: def S7
// CHECK: def S8
// CHECK: def S9
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