diff options
| author | Chris Lattner <sabre@nondot.org> | 2009-07-23 21:26:18 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-07-23 21:26:18 +0000 |
| commit | 308c7896a486f2ab17b38882cda7b82f888cb7bd (patch) | |
| tree | 07876301ca8dec4cadb388a1284c4328b32d6732 /llvm/lib/CodeGen/SelectionDAG | |
| parent | 516e5e7835332802dc4cac8f3ab968a40feccbaf (diff) | |
| download | bcm5719-llvm-308c7896a486f2ab17b38882cda7b82f888cb7bd.tar.gz bcm5719-llvm-308c7896a486f2ab17b38882cda7b82f888cb7bd.zip | |
"fix" PR4612, which is a crash on:
%0 = malloc [3758096384 x i32]
The "malloc" instruction doesn't support 64-bits correctly (see PR715),
and should be removed. Victor is actively working on fixing this, in
the meantime just don't crash.
llvm-svn: 76899
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp index 30236e36f3f..113537666da 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp @@ -5431,9 +5431,13 @@ void SelectionDAGLowering::visitMalloc(MallocInst &I) { // multiply on 64-bit targets. // FIXME: Malloc inst should go away: PR715. uint64_t ElementSize = TD->getTypeAllocSize(I.getType()->getElementType()); - if (ElementSize != 1) + if (ElementSize != 1) { + // Src is always 32-bits, make sure the constant fits. + assert(Src.getValueType() == MVT::i32); + ElementSize = (uint32_t)ElementSize; Src = DAG.getNode(ISD::MUL, getCurDebugLoc(), Src.getValueType(), Src, DAG.getConstant(ElementSize, Src.getValueType())); + } MVT IntPtr = TLI.getPointerTy(); |
