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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
21 lines
692 B
LLVM
21 lines
692 B
LLVM
; Check that the call doesn't get removed even if
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; it has no uses. It could have side-effects.
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; RUN: opt -loop-unswitch -enable-new-pm=0 -S %s | FileCheck %s
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; RUN: opt -loop-unswitch -enable-new-pm=0 -enable-mssa-loop-dependency=true -verify-memoryssa -S %s | FileCheck %s
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; CHECK-LABEL: @tinky
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define i32 @tinkywinky(i8 %patatino) {
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%cmp1 = icmp slt i8 %patatino, 5
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br label %body
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body:
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%i = select i1 %cmp1, i8 6, i8 undef
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br i1 true, label %body, label %end
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end:
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%split = phi i8 [ %i, %body ]
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%conv4 = sext i8 %split to i32
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; CHECK: tail call fastcc i32 @fn5(
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%call = tail call fastcc i32 @fn5(i32 %conv4)
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ret i32 0
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}
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declare fastcc i32 @fn5(i32 returned) unnamed_addr
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