[llvm] d138e97 - [GlobalISel] Bump CallLoweringInfo::OrigArgs initial size to 32. NFC.

[Amara Emerson via llvm-commits]

Author: Amara Emerson
Date: 2021-04-29T01:01:29-07:00
New Revision: d138e97c2a741fe7c9d4fa278e262ef95b63a358

URL: https://github.com/llvm/llvm-project/commit/d138e97c2a741fe7c9d4fa278e262ef95b63a358
DIFF: https://github.com/llvm/llvm-project/commit/d138e97c2a741fe7c9d4fa278e262ef95b63a358.diff

LOG: [GlobalISel] Bump CallLoweringInfo::OrigArgs initial size to 32. NFC.

We spend some time during sqlite3 compilation regrowing this vector,
bump it up to avoid this.

Gives around 1-2% improvement in codegen-only time for sqlite3 at -O0.

Added: 
    

Modified: 
    llvm/include/llvm/CodeGen/GlobalISel/CallLowering.h

Removed: 
    


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diff  --git a/llvm/include/llvm/CodeGen/GlobalISel/CallLowering.h b/llvm/include/llvm/CodeGen/GlobalISel/CallLowering.h
index 868980d24fc2..14b5988c7a4e 100644
--- a/llvm/include/llvm/CodeGen/GlobalISel/CallLowering.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/CallLowering.h
@@ -104,7 +104,7 @@ class CallLowering {
     ArgInfo OrigRet;
 
     /// List of descriptors of the arguments passed to the function.
-    SmallVector<ArgInfo, 8> OrigArgs;
+    SmallVector<ArgInfo, 32> OrigArgs;
 
     /// Valid if the call has a swifterror inout parameter, and contains the
     /// vreg that the swifterror should be copied into after the call.