diff options
| author | Chad Rosier <mcrosier@apple.com> | 2011-12-02 20:25:18 +0000 |
|---|---|---|
| committer | Chad Rosier <mcrosier@apple.com> | 2011-12-02 20:25:18 +0000 |
| commit | b74c865841481074539bdf4de35024939854f2e6 (patch) | |
| tree | 2b5fa49ed5fc5151353c50cf8569bd9b7c1a38d7 /lib/Target/ARM/ARMFastISel.cpp | |
| parent | 427876757f3df35f2a1a89088fadbdd5acf63e85 (diff) | |
[arm-fast-isel] After promoting a function parameter be sure to update the
argument value type. Otherwise, the sign/zero-extend has no effect on arguments
passed via the stack (i.e., undefined high-order bits).
rdar://10515467
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145701 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMFastISel.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMFastISel.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp index 42fd8a6ab9..086eeb9ebc 100644 --- a/lib/Target/ARM/ARMFastISel.cpp +++ b/lib/Target/ARM/ARMFastISel.cpp @@ -1765,21 +1765,23 @@ bool ARMFastISel::ProcessCallArgs(SmallVectorImpl<Value*> &Args, switch (VA.getLocInfo()) { case CCValAssign::Full: break; case CCValAssign::SExt: { - EVT DestVT = VA.getLocVT(); + MVT DestVT = VA.getLocVT(); unsigned ResultReg = ARMEmitIntExt(ArgVT, Arg, DestVT, /*isZExt*/false); assert (ResultReg != 0 && "Failed to emit a sext"); Arg = ResultReg; + ArgVT = DestVT; break; } case CCValAssign::AExt: // Intentional fall-through. Handle AExt and ZExt. case CCValAssign::ZExt: { - EVT DestVT = VA.getLocVT(); + MVT DestVT = VA.getLocVT(); unsigned ResultReg = ARMEmitIntExt(ArgVT, Arg, DestVT, /*isZExt*/true); assert (ResultReg != 0 && "Failed to emit a sext"); Arg = ResultReg; + ArgVT = DestVT; break; } case CCValAssign::BCvt: { |