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author | Tim Northover <tnorthover@apple.com> | 2014-01-13 10:47:04 +0000 |
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committer | Tim Northover <tnorthover@apple.com> | 2014-01-13 10:47:04 +0000 |
commit | cdc5395680b6112c5b07122563ace13b281c8485 (patch) | |
tree | 43184ffb880ca15de354b6bb2d240f86fa9c46a3 /llvm/docs/CodeGenerator.rst | |
parent | 59f8d4b4ee2923ea34528656ec9756ec650dd27c (diff) | |
download | bcm5719-llvm-cdc5395680b6112c5b07122563ace13b281c8485.tar.gz bcm5719-llvm-cdc5395680b6112c5b07122563ace13b281c8485.zip |
Docs: fix sign of division and increase equivocation on code generated.
I should have been a politician.
llvm-svn: 199092
Diffstat (limited to 'llvm/docs/CodeGenerator.rst')
-rw-r--r-- | llvm/docs/CodeGenerator.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/llvm/docs/CodeGenerator.rst b/llvm/docs/CodeGenerator.rst index c87a6286727..b89d2f426f3 100644 --- a/llvm/docs/CodeGenerator.rst +++ b/llvm/docs/CodeGenerator.rst @@ -434,12 +434,12 @@ For example, consider this simple LLVM example: .. code-block:: llvm define i32 @test(i32 %X, i32 %Y) { - %Z = udiv i32 %X, %Y + %Z = sdiv i32 %X, %Y ret i32 %Z } -The X86 instruction selector produces this machine code for the ``div`` and -``ret`` (use "``llc X.bc -march=x86 -print-machineinstrs``" to get this): +The X86 instruction selector might produce this machine code for the ``div`` and +``ret``: .. code-block:: llvm @@ -454,8 +454,8 @@ The X86 instruction selector produces this machine code for the ``div`` and %EAX = mov %reg1026 ;; 32-bit return value goes in EAX ret -By the end of code generation, the register allocator has coalesced the -registers and deleted the resultant identity moves producing the following +By the end of code generation, the register allocator would coalesce the +registers and delete the resultant identity moves producing the following code: .. code-block:: llvm |