[PATCH] D91852: [compiler-rt] [windows] Add UNUSED attributes on variables/functions only used for 64 bit targets

[Martin Storsjö via Phabricator via llvm-commits]

mstorsjo created this revision.
mstorsjo added reviewers: mcgov, amccarth.
Herald added subscribers: Sanitizers, dberris.
Herald added a project: Sanitizers.
mstorsjo requested review of this revision.

This fixes warnings when building for 32 bit targets.

Alternatively we could stick a few `(void)var;` in some 32-bit-only codepath.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D91852

Files:
  compiler-rt/lib/interception/interception_win.cpp


Index: compiler-rt/lib/interception/interception_win.cpp
===================================================================
--- compiler-rt/lib/interception/interception_win.cpp
+++ compiler-rt/lib/interception/interception_win.cpp
@@ -136,7 +136,7 @@
 static const int kAddressLength = FIRST_32_SECOND_64(4, 8);
 static const int kJumpInstructionLength = 5;
 static const int kShortJumpInstructionLength = 2;
-static const int kIndirectJumpInstructionLength = 6;
+UNUSED static const int kIndirectJumpInstructionLength = 6;
 static const int kBranchLength =
     FIRST_32_SECOND_64(kJumpInstructionLength, kIndirectJumpInstructionLength);
 static const int kDirectBranchLength = kBranchLength + kAddressLength;
@@ -165,7 +165,7 @@
   return si.dwAllocationGranularity;
 }
 
-static uptr RoundUpTo(uptr size, uptr boundary) {
+UNUSED static uptr RoundUpTo(uptr size, uptr boundary) {
   return (size + boundary - 1) & ~(boundary - 1);
 }
 
@@ -309,7 +309,7 @@
   uptr max_size;
 };
 
-static const uptr kTrampolineScanLimitRange = 1 << 31;  // 2 gig
+UNUSED static const uptr kTrampolineScanLimitRange = 1 << 31;  // 2 gig
 static const int kMaxTrampolineRegion = 1024;
 static TrampolineMemoryRegion TrampolineRegions[kMaxTrampolineRegion];
 


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