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Summary:
This change is in preparation to reuse these test for the Attributor.
It mainly is to remove UB, make it clear what is tested, and use
"modern" run lines.
Reviewers: fhahn, efriedma, mssimpso, davide
Subscribers: bollu, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D69747
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The reversion apparently deleted the test/Transforms directory.
Will be re-reverting again.
llvm-svn: 358552
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As it's causing some bot failures (and per request from kbarton).
This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.
llvm-svn: 358546
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Summary:
When performing constant propagation for call instructions we have historically replaced all uses of the return from a call, but not removed the call itself. This is required for correctness if the calls have side effects, however the compiler should be able to safely remove calls that don't have side effects.
This allows the compiler to completely fold away calls to functions that have no side effects if the inputs are constant and the output can be determined at compile time.
Reviewers: davide, sanjoy, bruno, dberlin
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D38856
llvm-svn: 322125
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Listing all of the attributes for the callee of a call/invoke instruction is way
too much and makes the IR unreadable. Use references to attributes instead.
llvm-svn: 175877
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function attributes.
This makes the LLVM assembly look better. E.g.:
define void @foo() #0 { ret void }
attributes #0 = { nounwind noinline ssp }
llvm-svn: 175605
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adjacent uses of a dead basic block from the same user. This fixes PR5596.
llvm-svn: 89658
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