Greg Fitzgerald 148c7f286c Fix inline assembly that switches between ARM and Thumb modes ... This patch restores the ARM mode if the user's inline assembly does not. In the object streamer, it ensures that instructions following the inline assembly are encoded correctly and that correct mapping symbols are emitted. For the asm streamer, it emits a .arm or .thumb directive. This patch does not ensure that the inline assembly contains the ADR instruction to switch modes at runtime. The problem we need to solve is code like this: int foo(int a, int b) { int r = a + b; asm volatile( ".align 2 \n" ".arm \n" "add r0,r0,r0 \n" : : "r"(r)); return r+1; } If we compile this function in thumb mode then the inline assembly will switch to arm mode. We need to make sure that we switch back to thumb mode after emitting the inline assembly or we will incorrectly encode the instructions that follow (i.e. the assembly instructions for return r+1). Based on patch by David Peixotto Change-Id: Ib57f6d2d78a22afad5de8693fba6230ff56ba48b git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199818 91177308-0d34-0410-b5e6-96231b3b80d8		2014-01-22 18:32:35 +00:00
..
Analysis	BasicAA: We need to check both access sizes when comparing a gep and an	2014-01-16 04:53:18 +00:00
Assembler	Add an inalloca flag to allocas	2014-01-17 23:58:17 +00:00
Bindings
Bitcode	Report a warning when dropping outdated debug info metadata.	2014-01-16 01:51:12 +00:00
BugPoint
CodeGen	Fix inline assembly that switches between ARM and Thumb modes	2014-01-22 18:32:35 +00:00
DebugInfo	Debug info: On ARM ensure that all __TEXT sections come before the	2014-01-20 19:15:59 +00:00
ExecutionEngine	Revert 199262 - MCJIT remote still failing on ARM	2014-01-15 09:09:46 +00:00
Feature
FileCheck
Instrumentation	[asan] extend asan-coverage (still experimental).	2014-01-17 11:00:30 +00:00
Integer
JitListener
Linker	Debug info (LTO): Move the creation of accessibility flags to	2014-01-18 02:12:00 +00:00
LTO
MC	[x86] Allow segment and address-size overrides for INS[BWLQ] (PR9385)	2014-01-22 15:08:55 +00:00
Object	Fix typo: : not ;	2014-01-16 07:08:22 +00:00
Other	[PM] Wire up the Verifier for the new pass manager and connect it to the	2014-01-20 11:34:08 +00:00
TableGen	[TableGen] Correctly generate implicit anonymous prototype defs in multiclasses	2014-01-02 20:47:09 +00:00
tools	tools: support decoding ARM EHABI opcodes in readobj	2014-01-21 02:33:15 +00:00
Transforms	Fix all the remaining lost-fast-math-flags bugs I've been able to find. The most important of these are cases in the generic logic for combining BinaryOperators.	2014-01-20 07:44:53 +00:00
Unit
Verifier	[PM] Make the verifier work independently of any pass manager.	2014-01-19 02:22:18 +00:00
YAMLParser
.clang-format
CMakeLists.txt	[CMake] Add llvm-tblgen to dependencies of check-llvm.	2014-01-18 19:01:08 +00:00
lit.cfg
lit.site.cfg.in	[CMake] Add missing set_output_directory after Takumi's change in r198205.	2014-01-02 19:47:45 +00:00
Makefile
Makefile.tests
TestRunner.sh