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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
33 lines
894 B
LLVM
33 lines
894 B
LLVM
; RUN: opt < %s -simple-loop-unswitch -indvars -disable-output
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; Require SCEV before LCSSA.
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define void @foo() {
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entry:
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%i = alloca i32, align 4 ; <i32*> [#uses=5]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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store i32 0, i32* %i, align 4
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br label %bb3
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bb: ; preds = %bb3
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%tmp = load i32, i32* %i, align 4 ; <i32> [#uses=1]
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call void @bar( i32 %tmp )
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%tmp1 = load i32, i32* %i, align 4 ; <i32> [#uses=1]
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%tmp2 = add i32 %tmp1, 1 ; <i32> [#uses=1]
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store i32 %tmp2, i32* %i, align 4
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br label %bb3
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bb3: ; preds = %bb, %entry
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%tmp4 = load i32, i32* %i, align 4 ; <i32> [#uses=1]
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%tmp5 = icmp sle i32 %tmp4, 9 ; <i1> [#uses=1]
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%tmp56 = zext i1 %tmp5 to i8 ; <i8> [#uses=1]
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%toBool = icmp ne i8 %tmp56, 0 ; <i1> [#uses=1]
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br i1 %toBool, label %bb, label %bb7
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bb7: ; preds = %bb3
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br label %return
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return: ; preds = %bb7
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ret void
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}
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declare void @bar(i32)
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