From 460d220872183cdf0ae5114aeac904d12c49931a Mon Sep 17 00:00:00 2001 From: pooja2299 Date: Thu, 29 Jul 2021 16:51:28 +0530 Subject: [PATCH] [doc]Added examples for generic opcodes Added examples to G_BR, G_BRCOND, G_BRJT, G_BRINDIRECT Differential Revision: https://reviews.llvm.org/D104974 --- llvm/docs/GlobalISel/GenericOpcode.rst | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/llvm/docs/GlobalISel/GenericOpcode.rst b/llvm/docs/GlobalISel/GenericOpcode.rst index dfd57bc4e655..e17389a7ed5c 100644 --- a/llvm/docs/GlobalISel/GenericOpcode.rst +++ b/llvm/docs/GlobalISel/GenericOpcode.rst @@ -290,7 +290,9 @@ These each perform their respective integer arithmetic on a scalar. .. code-block:: none - %2:_(s32) = G_ADD %0:_(s32), %1:_(s32) + %dst:_(s32) = G_ADD %src0:_(s32), %src1:_(s32) + +The above exmaple adds %src1 to %src0 and stores the result in %dst. G_SDIVREM, G_UDIVREM ^^^^^^^^^^^^^^^^^^^^ @@ -755,28 +757,40 @@ Implement the φ node in the SSA graph representing the function. .. code-block:: none - %1(s8) = G_PHI %7(s8), %bb.0, %3(s8), %bb.1 + %dst(s8) = G_PHI %src1(s8), %bb., %src2(s8), %bb. G_BR ^^^^ Unconditional branch +.. code-block:: none + G_BR %bb. + G_BRCOND ^^^^^^^^ Conditional branch +.. code-block:: none + G_BRCOND %condition, %basicblock. + G_BRINDIRECT ^^^^^^^^^^^^ Indirect branch +.. code-block:: none + G_BRINDIRECT %src(p0) + G_BRJT ^^^^^^ Indirect branch to jump table entry +.. code-block:: none + G_BRJT %ptr(p0), %jti, %idx(s64) + G_JUMP_TABLE ^^^^^^^^^^^^