Chad Rosier
5def9657e4
Fixed regression due to commit 131709, which disables vararg tail call optimizations on Win64
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131740 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-20 17:49:39 +00:00
Chad Rosier
871f664093
Enables vararg functions that pass all arguments via registers to be optimized into tail-calls when possible.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131560 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-18 19:59:50 +00:00
Bill Wendling
d336de318e
As Dan pointed out, movzbl, movsbl, and friends are nicer than their alias
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(movzx/movsx) because they give more information. Revert that part of the patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129498 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14 01:46:37 +00:00
Bill Wendling
c6df9883da
Have the X86 back-end emit the alias instead of what's being aliased. In most
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cases, it's much nicer and more informative reading the alias.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129497 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14 01:11:51 +00:00
Cameron Zwarich
ebe8173941
The x86-64 ABI says that a bool is only guaranteed to be sign-extended to a byte
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rather than an int. Thankfully, this only causes LLVM to miss optimizations, not
generate incorrect code.
This just fixes the zext at the return. We still insert an i32 ZextAssert when
reading a function's arguments, but it is followed by a truncate and another i8
ZextAssert so it is not optimized.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127766 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-16 22:20:18 +00:00
Cameron Zwarich
7be4b7ed75
Rename a test to be more inclusive.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127765 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-16 22:20:12 +00:00
