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Add support for range expressions in TableGen foreach loops.

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Like this:

  foreach i = 0-127 in ...

Use braces for composite ranges:

  foreach i = {0-3,9-7} in ...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157432 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2012-05-24 22:17:39 +00:00
parent 72cba6cdf6
commit fae8b1de47
3 changed files with 77 additions and 19 deletions
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23
test/TableGen/ForeachLoop.td
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@@ -6,11 +6,19 @@ class Register<string name, int idx> {
int Index = idx;
}
// 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
foreach i = [0, 1, 2, 3, 4, 5, 6, 7] in
def R#i : Register<"R"#i, i>;
// CHECK-NOT: !strconcat
// CHECK: def R0
// CHECK: string Name = "R0";
// CHECK: int Index = 0;
@@ -42,3 +50,14 @@ foreach i = [0, 1, 2, 3, 4, 5, 6, 7] in
// CHECK: def R7
// CHECK: string Name = "R7";
// CHECK: int Index = 7;
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