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author | Bob Wilson <bob.wilson@apple.com> | 2010-11-17 21:25:27 +0000 |
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committer | Bob Wilson <bob.wilson@apple.com> | 2010-11-17 21:25:27 +0000 |
commit | edf046716ce7d0da9479c37a5bbb6dd33ce6d390 (patch) | |
tree | 4a10914e829db118408b7b2c172f72f79fd45bc5 | |
parent | 17ead4ff4baceb2c5503f233d0288d363ae44165 (diff) | |
download | llvm-edf046716ce7d0da9479c37a5bbb6dd33ce6d390.tar.gz llvm-edf046716ce7d0da9479c37a5bbb6dd33ce6d390.tar.bz2 llvm-edf046716ce7d0da9479c37a5bbb6dd33ce6d390.tar.xz |
Fix the ARMGlobalMerge pass to look at variable sizes instead of pointer sizes.
It was mistakenly looking at the pointer type when checking for the size of
global variables. This is a partial fix for Radar 8673120.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119563 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Target/ARM/ARMGlobalMerge.cpp | 2 | ||||
-rw-r--r-- | test/CodeGen/ARM/global-merge.ll | 11 |
2 files changed, 12 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMGlobalMerge.cpp b/lib/Target/ARM/ARMGlobalMerge.cpp index fdcb67062f..b25915a0bd 100644 --- a/lib/Target/ARM/ARMGlobalMerge.cpp +++ b/lib/Target/ARM/ARMGlobalMerge.cpp @@ -179,7 +179,7 @@ bool ARMGlobalMerge::doInitialization(Module &M) { I->getName().startswith(".llvm.")) continue; - if (TD->getTypeAllocSize(I->getType()) < MaxOffset) { + if (TD->getTypeAllocSize(I->getType()->getElementType()) < MaxOffset) { if (I->isConstant()) ConstGlobals.push_back(I); else diff --git a/test/CodeGen/ARM/global-merge.ll b/test/CodeGen/ARM/global-merge.ll new file mode 100644 index 0000000000..9cadebd9c5 --- /dev/null +++ b/test/CodeGen/ARM/global-merge.ll @@ -0,0 +1,11 @@ +; RUN: llc < %s -march=thumb | FileCheck %s +; Test the ARMGlobalMerge pass. Use -march=thumb because it has a small +; value for the maximum offset (127). + +; A local array that exceeds the maximum offset should not be merged. +; CHECK: g0: +@g0 = internal global [32 x i32] [ i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 1, i32 2 ] + +; CHECK: merged: +@g1 = internal global i32 1 +@g2 = internal global i32 2 |