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| author | Chad Rosier <mcrosier@apple.com> | 2012-06-08 18:04:52 +0000 |
|---|---|---|
| committer | Chad Rosier <mcrosier@apple.com> | 2012-06-08 18:04:52 +0000 |
| commit | 3d464d8068c33e86bbf99498541d7ef6583c15a2 (patch) | |
| tree | 99e4b782febdaa7665722ce6b83a1ad29fdfe911 /llvm/lib/Support/APInt.cpp | |
| parent | 596af1b02ee1e3e019467e8a7cb368511ada2cb2 (diff) | |
| download | bcm5719-llvm-3d464d8068c33e86bbf99498541d7ef6583c15a2.tar.gz bcm5719-llvm-3d464d8068c33e86bbf99498541d7ef6583c15a2.zip | |
Fix a crash in APInt::lshr when shiftAmt > BitWidth.
Patch by James Benton <jbenton@vmware.com>.
llvm-svn: 158213
Diffstat (limited to 'llvm/lib/Support/APInt.cpp')
| -rw-r--r-- | llvm/lib/Support/APInt.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Support/APInt.cpp b/llvm/lib/Support/APInt.cpp index 9b81fe776a6..6a74883803c 100644 --- a/llvm/lib/Support/APInt.cpp +++ b/llvm/lib/Support/APInt.cpp @@ -1135,7 +1135,7 @@ APInt APInt::lshr(unsigned shiftAmt) const { // If all the bits were shifted out, the result is 0. This avoids issues // with shifting by the size of the integer type, which produces undefined // results. We define these "undefined results" to always be 0. - if (shiftAmt == BitWidth) + if (shiftAmt >= BitWidth) return APInt(BitWidth, 0); // If none of the bits are shifted out, the result is *this. This avoids |
