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| author | Gabor Greif <ggreif@gmail.com> | 2007-10-11 19:40:35 +0000 |
|---|---|---|
| committer | Gabor Greif <ggreif@gmail.com> | 2007-10-11 19:40:35 +0000 |
| commit | 724441e64ad9dbf41579864d6364501aac8ba7db (patch) | |
| tree | 9b90f7bbd003847eedf1ab809247c54c5e4aba69 /lib/ExecutionEngine/Interpreter/Execution.cpp | |
| parent | c85e1716f0e45e4c18a9ef2fbe431a51ac3a4252 (diff) | |
Fix an assertion abort on sparc. malloc(0) is allowed to
return NULL.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42871 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/ExecutionEngine/Interpreter/Execution.cpp')
| -rw-r--r-- | lib/ExecutionEngine/Interpreter/Execution.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/ExecutionEngine/Interpreter/Execution.cpp b/lib/ExecutionEngine/Interpreter/Execution.cpp index 95e2143787..f11cf816b2 100644 --- a/lib/ExecutionEngine/Interpreter/Execution.cpp +++ b/lib/ExecutionEngine/Interpreter/Execution.cpp @@ -24,6 +24,7 @@ #include "llvm/Support/Debug.h" #include "llvm/Support/MathExtras.h" #include <cmath> +#include <algorithm> using namespace llvm; STATISTIC(NumDynamicInsts, "Number of dynamic instructions executed"); @@ -747,7 +748,8 @@ void Interpreter::visitAllocationInst(AllocationInst &I) { unsigned TypeSize = (size_t)TD.getTypeSize(Ty); - unsigned MemToAlloc = NumElements * TypeSize; + // Avoid malloc-ing zero bytes, use max()... + unsigned MemToAlloc = std::max(1U, NumElements * TypeSize); // Allocate enough memory to hold the type... void *Memory = malloc(MemToAlloc); |