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[DOC] Fix load instructions' syntax, function definition.

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Summary: In this patch, I updated `load` instruction syntax and fixed function definition. Besides, I re-named some variables to make them obey SSA rule.

Reviewers: MaskRay

Reviewed By: MaskRay

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D63186

llvm-svn: 363142
This commit is contained in:
Xing GUO 2019-06-12 11:24:22 +00:00
parent 19f2a39cd4
commit 848f59e047
1 changed files with 9 additions and 9 deletions
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18
docs/GetElementPtr.rst
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@ -74,7 +74,7 @@ therefore be indexed and requires an index operand. Consider this example:
P[0].f1 = P[1].f1 + P[2].f2;
}
...
munger_struct Array[3];
struct munger_struct Array[3];
...
munge(Array);
@ -88,15 +88,15 @@ looks like:
.. code-block:: llvm
void %munge(%struct.munger_struct* %P) {
define void @munge(%struct.munger_struct* %P) {
entry:
%tmp = getelementptr %struct.munger_struct, %struct.munger_struct* %P, i32 1, i32 0
%tmp = load i32* %tmp
%tmp6 = getelementptr %struct.munger_struct, %struct.munger_struct* %P, i32 2, i32 1
%tmp7 = load i32* %tmp6
%tmp8 = add i32 %tmp7, %tmp
%tmp9 = getelementptr %struct.munger_struct, %struct.munger_struct* %P, i32 0, i32 0
store i32 %tmp8, i32* %tmp9
%tmp1 = load i32, i32* %tmp
%tmp2 = getelementptr %struct.munger_struct, %struct.munger_struct* %P, i32 2, i32 1
%tmp3 = load i32, i32* %tmp2
%tmp4 = add i32 %tmp3, %tmp1
%tmp5 = getelementptr %struct.munger_struct, %struct.munger_struct* %P, i32 0, i32 0
store i32 %tmp4, i32* %tmp5
ret void
}
@ -199,7 +199,7 @@ following:
.. code-block:: text
%idx = getelementptr { [40 x i32]* }, { [40 x i32]* }* %, i64 0, i32 0
%arr = load [40 x i32]** %idx
%arr = load [40 x i32]*, [40 x i32]** %idx
%idx = getelementptr [40 x i32], [40 x i32]* %arr, i64 0, i64 17
In this case, we have to load the pointer in the structure with a load