[clang] a5c3508 - [RISCV] Require tail policy argument to builtins to be an integer constant expression

[Craig Topper via cfe-commits]

Author: Craig Topper
Date: 2021-10-11T09:55:04-07:00
New Revision: a5c3508ac71bf30a6d2da35f438e90cc153d8d84

URL: https://github.com/llvm/llvm-project/commit/a5c3508ac71bf30a6d2da35f438e90cc153d8d84
DIFF: https://github.com/llvm/llvm-project/commit/a5c3508ac71bf30a6d2da35f438e90cc153d8d84.diff

LOG: [RISCV] Require tail policy argument to builtins to be an integer constant expression

The IR intrinsics use ImmArg for the policy operand so this needs to be enforced as a constant in the frontend.

Differential Revision: https://reviews.llvm.org/D110779

Added: 
    

Modified: 
    clang/utils/TableGen/RISCVVEmitter.cpp

Removed: 
    


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diff  --git a/clang/utils/TableGen/RISCVVEmitter.cpp b/clang/utils/TableGen/RISCVVEmitter.cpp
index 152500610a293..f71df8b3063a3 100644
--- a/clang/utils/TableGen/RISCVVEmitter.cpp
+++ b/clang/utils/TableGen/RISCVVEmitter.cpp
@@ -1184,7 +1184,7 @@ void RVVEmitter::createRVVIntrinsics(
     }
 
     if (HasPolicy) {
-      ProtoMaskSeq.push_back("z");
+      ProtoMaskSeq.push_back("Kz");
     }
 
     // Create Intrinsics for each type and LMUL.