Avoid overwriting the APInt instance with 0 bytes which causes the bitwidth
to be set to 0 (illegal) producing a subsequent assert.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37391 91177308-0d34-0410-b5e6-96231b3b80d8
turn "putchar" calls into _IO_putc calls which is a lower-level interface.
This patch allows these calls to be executed by lli in interpreter mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37254 91177308-0d34-0410-b5e6-96231b3b80d8
on. This helps to speed up the debugging time by showing computational
results as the program executes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37095 91177308-0d34-0410-b5e6-96231b3b80d8
extension is needed because the constructor for the Destination value
causes the APInt to have a bit width of 1.
Patch by Guoling Han.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36733 91177308-0d34-0410-b5e6-96231b3b80d8
incorrect results (canonicalization was dropped several commits ago).
2. Add support for fscanf.
3. Suppress a warning about cast to pointer from non-pointer-sized integer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36482 91177308-0d34-0410-b5e6-96231b3b80d8
forcing every small argument of every function regardless of attributes or
calling convention to be expanded.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36174 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename the FunctionType* parameter from M to FT on all the functions.
* Implement a fix for PR1293 by just asserting that library functions that
must return pointers should have pointer typed results. This just makes
sure that we don't attempt to use an uninitialized integer or something
later on.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35508 91177308-0d34-0410-b5e6-96231b3b80d8
handling for integer of various sizes. GenericValue now has just a single
integer field of type APInt. We use its facilities directly in the
execution of all instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34951 91177308-0d34-0410-b5e6-96231b3b80d8
Target DataLayout incorrectly. For now, we'll trust that the module has
got the correct DataLayout. In the future, this needs to be changed to
tell the TargetData to be "current host".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34947 91177308-0d34-0410-b5e6-96231b3b80d8
have been removed and dealt with. The interpreter should now be able to
execute any LLVM program using any bit width.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34884 91177308-0d34-0410-b5e6-96231b3b80d8
Move the getConstantExpr function towards the end of the file so we don't
need a dozen forward declarations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34877 91177308-0d34-0410-b5e6-96231b3b80d8
ensure they are cleaned up when the stack frame exits.
2. Move a function to the Execution.cpp file where it belongs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34876 91177308-0d34-0410-b5e6-96231b3b80d8
While preparing http://llvm.org/PR1198 I noticed several asserts
protecting unprepared code from i128 types that weren't actually failing
when they should because they were written as assert("foo") instead of
something like assert(0 && "foo"). This patch fixes all the cases that a
quick grep found.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34267 91177308-0d34-0410-b5e6-96231b3b80d8
This feature is needed in order to support shifts of more than 255 bits
on large integer types. This changes the syntax for llvm assembly to
make shl, ashr and lshr instructions look like a binary operator:
shl i32 %X, 1
instead of
shl i32 %X, i8 1
Additionally, this should help a few passes perform additional optimizations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33776 91177308-0d34-0410-b5e6-96231b3b80d8
The Module::setEndianness and Module::setPointerSize methods have been
removed. Instead you can get/set the DataLayout. Adjust thise accordingly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33530 91177308-0d34-0410-b5e6-96231b3b80d8
a small inline function to sign extend a uint64_t value based on its
type's bitwidth. This function is then used in both executeSExtInst and
the various executeICMP_S** functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33403 91177308-0d34-0410-b5e6-96231b3b80d8
sufficient to get llvm-test/SingleSource/UnitTests/Integer/general-test.ll
working with lli in interpreter mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33321 91177308-0d34-0410-b5e6-96231b3b80d8
1. Fix logic for executeGEP. Only 32-bit and 64-bit integer types are
acceptable as indices.
2. Ensure that all integer cast operations truncate their result to the
integer size of the operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33318 91177308-0d34-0410-b5e6-96231b3b80d8
rename Type::getIntegralTypeMask to Type::getIntegerTypeMask.
This makes naming much more consistent. For example, there are now no longer any
instances of IntegerType that are not considered isInteger! :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33225 91177308-0d34-0410-b5e6-96231b3b80d8
Implement the arbitrary bit-width integer feature. The feature allows
integers of any bitwidth (up to 64) to be defined instead of just 1, 8,
16, 32, and 64 bit integers.
This change does several things:
1. Introduces a new Derived Type, IntegerType, to represent the number of
bits in an integer. The Type classes SubclassData field is used to
store the number of bits. This allows 2^23 bits in an integer type.
2. Removes the five integer Type::TypeID values for the 1, 8, 16, 32 and
64-bit integers. These are replaced with just IntegerType which is not
a primitive any more.
3. Adjust the rest of LLVM to account for this change.
Note that while this incremental change lays the foundation for arbitrary
bit-width integers, LLVM has not yet been converted to actually deal with
them in any significant way. Most optimization passes, for example, will
still only deal with the byte-width integer types. Future increments
will rectify this situation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33113 91177308-0d34-0410-b5e6-96231b3b80d8
This patch removes the SetCC instructions and replaces them with the ICmp
and FCmp instructions. The SetCondInst instruction has been removed and
been replaced with ICmpInst and FCmpInst.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32751 91177308-0d34-0410-b5e6-96231b3b80d8
