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54c69d097e
As mentioned in http://lists.llvm.org/pipermail/llvm-dev/2020-July/143395.html, loop-unswitch has not been ported to the NPM. Instead people are using simple-loop-unswitch. Pin all tests in Transforms/LoopUnswitch to legacy PM and replace all other uses of loop-unswitch with simple-loop-unswitch. One test that didn't fit into the above was 2014-06-21-congruent-constant.ll which seems to only pass with loop-unswitch. That is also pinned to legacy PM. Now all tests containing "-loop-unswitch" anywhere in the test succeed with NPM turned on by default. Reviewed By: ychen Differential Revision: https://reviews.llvm.org/D85360
29 lines
849 B
LLVM
29 lines
849 B
LLVM
; RUN: opt -loop-unswitch -enable-new-pm=0 -disable-output < %s
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; PR10031
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define i32 @test(i32 %command) {
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entry:
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br label %tailrecurse
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tailrecurse: ; preds = %if.then14, %tailrecurse, %entry
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br i1 undef, label %if.then, label %tailrecurse
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if.then: ; preds = %tailrecurse
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switch i32 %command, label %sw.bb [
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i32 2, label %land.lhs.true
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i32 0, label %land.lhs.true
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]
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land.lhs.true: ; preds = %if.then, %if.then
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br i1 undef, label %sw.bb, label %if.then14
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if.then14: ; preds = %land.lhs.true
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switch i32 %command, label %tailrecurse [
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i32 0, label %sw.bb
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i32 1, label %sw.bb
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]
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sw.bb: ; preds = %if.then14
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unreachable
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}
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