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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
27 lines
1015 B
LLVM
27 lines
1015 B
LLVM
; RUN: opt < %s -loop-unswitch -enable-new-pm=0 -disable-output
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; RUN: opt < %s -loop-unswitch -enable-new-pm=0 -enable-mssa-loop-dependency=true -verify-memoryssa -disable-output
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; PR12887
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@a = common global i32 0, align 4
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@c = common global i32 0, align 4
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@b = common global i32 0, align 4
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define void @func() noreturn nounwind uwtable {
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entry:
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%0 = load i32, i32* @a, align 4
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%tobool = icmp eq i32 %0, 0
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%1 = load i32, i32* @b, align 4
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br label %while.body
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while.body: ; preds = %while.body, %entry
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%d.0 = phi i8 [ undef, %entry ], [ %conv2, %while.body ]
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%conv = sext i8 %d.0 to i32
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%cond = select i1 %tobool, i32 0, i32 %conv
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%conv11 = zext i8 %d.0 to i32
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%add = add i32 %1, %conv11
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%conv2 = trunc i32 %add to i8
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br label %while.body
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}
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