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Craig Topper dc32e91bc6 [X86] Teach X86SelectionDAGInfo::EmitTargetCodeForMemcpy about GNUX32

Summary:
In GNUX23, is64BitMode returns true, but pointers are 32-bits. So we shouldn't copy pointer values into RSI/RDI since the widths don't match.

Fixes PR38865 despite what the title says. I think the llvm_unreachable in the copyPhysReg code tricked the optimizer and made the fatal error trigger.

Reviewers: rnk, efriedma, MatzeB, echristo

Reviewed By: efriedma

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D51893

llvm-svn: 342015

2018-09-12 01:57:22 +00:00

clang

[NFC] Fix build breakage caused by D51948

2018-09-11 22:41:14 +00:00

clang-tools-extra

[NFC] Fix build breakage due to missing dep caused by D51950

2018-09-12 00:32:13 +00:00

compiler-rt

[hwasan] On every use-after-free print a developer note: the index of this heap object in the thread's deallocation ring buffer. Mostly useful to hwasan developers, will hopefully let us know the good size of the deallocation ring buffer

2018-09-12 00:58:15 +00:00

debuginfo-tests

Revert "(Retry) Add a basic integration test for C++ smart pointers"

2018-08-20 19:53:33 +00:00

libclc

amdgcn: Use __constant AS for amdgcn builtins.

2018-08-03 15:14:08 +00:00

libcxx

Update the synopsis for <version>. NFC

2018-09-11 20:51:54 +00:00

libcxxabi

Port my recent changes from LLVM copy of the demangler:

2018-08-24 23:30:26 +00:00

libunwind

[CMake] Don't use -rtlib=compiler-rt with -nodefaultlibs.

2018-09-04 20:57:50 +00:00

lld

[ELF] Revert "Also demote lazy symbols."

2018-09-11 23:00:36 +00:00

lldb

[MIPS] Fix signed overflow in DADDIU emulation

2018-09-11 23:04:05 +00:00

llgo

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llvm

[X86] Teach X86SelectionDAGInfo::EmitTargetCodeForMemcpy about GNUX32

2018-09-12 01:57:22 +00:00

openmp

[OPENMP]Increment iterator when the loop is continued.

2018-09-11 17:16:26 +00:00

parallel-libs

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polly

[ScopDetection] Use addUnknown for calls in the AliasSetTracker.

2018-09-11 23:48:14 +00:00

README.md

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README.md

Low Level Virtual Machine (LLVM)

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