[LLVMdev] How to 'define and use' a LOOP intrinsic that takes "iteration count" and the "label" to jump to ?
RAVI KORSA
ravi.korsa at gmail.com
Wed Feb 26 12:14:25 PST 2014
I have defined the intrinsic as
* def int_loop: Intrinsic<[],[llvm_i8_ty, llvm_empty_ty],[]>;*
and also got the Codegen backend support in Instructioninfo.td file.
Then created a .ll file to test it.
The .ll file is like this
*declare void @llvm.loop(i8, label)define void @fn() nounwind readnone
{entry: ..... ..... call void @llvm.loop(i8 10, label %entry) ret
void}*
But when I run it with llc, I get the following error message
Intrinsic has incorrect argument type!
void (i8, label)* @llvm.loop
Broken module found, compilation aborted!
The 'Module Verifier' is complaining about the 'label' type. Any
suggestions on how I go about doing this ? Would appreciate your help.
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