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| author | Chad Rosier <mcrosier@apple.com> | 2011-11-04 23:09:49 +0000 |
|---|---|---|
| committer | Chad Rosier <mcrosier@apple.com> | 2011-11-04 23:09:49 +0000 |
| commit | a4e07270bccb3cb6774af975300628e072bf03f1 (patch) | |
| tree | d75fe8ff05cd3c61aeaae9e4e3d5469dc79da1fe | |
| parent | a54c8ea8cfcba3682afb53301b93ecc59fc9897a (diff) | |
| download | llvm-a4e07270bccb3cb6774af975300628e072bf03f1.tar.gz llvm-a4e07270bccb3cb6774af975300628e072bf03f1.tar.bz2 llvm-a4e07270bccb3cb6774af975300628e072bf03f1.tar.xz | |
When materializing an i32, SExt vs ZExt doesn't matter when we're trying to fit
in a 16-bit immediate. However, for the shorter non-legal types (i.e., i1, i8,
i16) we should not sign-extend. This prevents us from materializing things
such as 'true' (i.e., i1 1).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143743 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMFastISel.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp index e8e8124b66..a315c305fc 100644 --- a/lib/Target/ARM/ARMFastISel.cpp +++ b/lib/Target/ARM/ARMFastISel.cpp @@ -551,7 +551,7 @@ unsigned ARMFastISel::ARMMaterializeInt(const Constant *C, EVT VT) { // If we can do this in a single instruction without a constant pool entry // do so now. const ConstantInt *CI = cast<ConstantInt>(C); - if (Subtarget->hasV6T2Ops() && isUInt<16>(CI->getSExtValue())) { + if (Subtarget->hasV6T2Ops() && isUInt<16>(CI->getZExtValue())) { unsigned Opc = isThumb ? ARM::t2MOVi16 : ARM::MOVi16; unsigned ImmReg = createResultReg(TLI.getRegClassFor(VT)); AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, |