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75d5f2cf7a
As to not conflict with the legacy PM example passes under llvm/lib/Transforms/Hello, this is under HelloNew. This makes the CMakeLists.txt and general directory structure less confusing for people following the example. Much of the doc structure was taken from WritinAnLLVMPass.rst. This adds a HelloWorld pass which simply prints out each function name. More will follow after this, e.g. passes over different units of IR, analyses. https://llvm.org/docs/WritingAnLLVMPass.html contains a lot more. Relanded with missing "Support" dependency in LLVMBuild.txt. Reviewed By: ychen, asbirlea Differential Revision: https://reviews.llvm.org/D86979
13 lines
211 B
LLVM
13 lines
211 B
LLVM
; RUN: opt -disable-output -passes=helloworld %s 2>&1 | FileCheck %s
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; CHECK: {{^}}foo{{$}}
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define i32 @foo() {
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%a = add i32 2, 3
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ret i32 %a
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}
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; CHECK-NEXT: {{^}}bar{{$}}
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define void @bar() {
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ret void
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}
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