commit 56c587adfd2999a5f096cf49266552de931aa1e3
author Sam Clegg <sbc@chromium.org> Wed Jan 16 01:34:48 2019 +0000
committer Sam Clegg <sbc@chromium.org> Wed Jan 16 01:34:48 2019 +0000
tree 08e93dcba4a3de6f3b2697a56b205392e4fac7a9
parent c4c43b2bad56784f8d8d122029464882c54ee3ce

[WebAssembly] Store section alignment as a power of 2

This change bumps for version number of the wasm object file
metadata.

See https://github.com/WebAssembly/tool-conventions/pull/92

Differential Revision: https://reviews.llvm.org/D56758

llvm-svn: 351285

llvm/lib/MC/WasmObjectWriter.cpp

diff --git a/llvm/lib/MC/WasmObjectWriter.cpp b/llvm/lib/MC/WasmObjectWriter.cpp
index c4839ff..0cca375 100644
--- a/llvm/lib/MC/WasmObjectWriter.cpp
+++ b/llvm/lib/MC/WasmObjectWriter.cpp
@@ -1256,7 +1256,7 @@
       Segment.Offset = DataSize;
       Segment.Section = &Section;
       addData(Segment.Data, Section);
-      Segment.Alignment = Section.getAlignment();
+      Segment.Alignment = Log2_32(Section.getAlignment());
       Segment.Flags = 0;
       DataSize += Segment.Data.size();
       Section.setSegmentIndex(SegmentIndex);