https://bugs.llvm.org/show_bug.cgi?id=41958
Bug ID: 41958
Summary: TableGen foreach does not support non-literal ranges
Product: tools
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: TableGen
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
I want to avoid repeating the same constant in multiple places, but TableGen
does not support nontrivial foreach bounds:
class RegisterLimitsImpl {
int MaxSGPR = 105;
int MaxVGPR = 255;
}
def RegisterLimits : RegisterLimitsImpl;
foreach Index = 0-RegisterLimits.MaxVGPR in {
}
$ llvm-tblgen foreach-variable-range.td
foreach-variable-range.td:9:19: error: expected integer value as end of range
foreach Index = 0-RegisterLimits.MaxVGPR in {
^
foreach-variable-range.td:9:19: error: expected declaration in for
foreach Index = 0-RegisterLimits.MaxVGPR in {
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