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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
111 lines
3.0 KiB
LLVM
111 lines
3.0 KiB
LLVM
; RUN: opt -indvars -S %s | FileCheck %s
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;
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; PR18384: ValueHandleBase::ValueIsDeleted.
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;
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; Ensure that LoopSimplify calls ScalarEvolution::forgetLoop before
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; deleting a block, regardless of whether any values were hoisted out
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; of the block.
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target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-darwin"
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%struct.Params = type { [2 x [4 x [16 x i16]]] }
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; Verify that the loop tail is deleted, and we don't crash!
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;
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; CHECK-LABEL: @t
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; CHECK-LABEL: for.cond127.preheader:
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; CHECK-NOT: for.cond127:
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; CHECK-LABEL: for.body129:
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define void @t() {
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entry:
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br label %for.body102
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for.body102:
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br i1 undef, label %for.cond127.preheader, label %for.inc203
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for.cond127.preheader:
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br label %for.body129
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for.cond127:
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%cmp128 = icmp slt i32 %inc191, 2
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br i1 %cmp128, label %for.body129, label %for.end192
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for.body129:
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%uv.013 = phi i32 [ 0, %for.cond127.preheader ], [ %inc191, %for.cond127 ]
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%idxprom130 = sext i32 %uv.013 to i64
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br i1 undef, label %for.cond135.preheader.lr.ph, label %for.end185
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for.cond135.preheader.lr.ph:
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br i1 undef, label %for.cond135.preheader.lr.ph.split.us, label %for.cond135.preheader.lr.ph.split_crit_edge
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for.cond135.preheader.lr.ph.split_crit_edge:
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br label %for.cond135.preheader.lr.ph.split
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for.cond135.preheader.lr.ph.split.us:
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br label %for.cond135.preheader.us
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for.cond135.preheader.us:
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%block_y.09.us = phi i32 [ 0, %for.cond135.preheader.lr.ph.split.us ], [ %add184.us, %for.cond132.us ]
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br i1 true, label %for.cond138.preheader.lr.ph.us, label %for.end178.us
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for.end178.us:
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%add184.us = add nsw i32 %block_y.09.us, 4
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br i1 undef, label %for.end185split.us-lcssa.us, label %for.cond132.us
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for.end174.us:
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br i1 undef, label %for.cond138.preheader.us, label %for.cond135.for.end178_crit_edge.us
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for.inc172.us:
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br i1 undef, label %for.cond142.preheader.us, label %for.end174.us
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for.body145.us:
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%arrayidx163.us = getelementptr inbounds %struct.Params, %struct.Params* undef, i64 0, i32 0, i64 %idxprom130, i64 %idxprom146.us
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br i1 undef, label %for.body145.us, label %for.inc172.us
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for.cond142.preheader.us:
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%j.04.us = phi i32 [ %block_y.09.us, %for.cond138.preheader.us ], [ undef, %for.inc172.us ]
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%idxprom146.us = sext i32 %j.04.us to i64
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br label %for.body145.us
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for.cond138.preheader.us:
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br label %for.cond142.preheader.us
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for.cond132.us:
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br i1 undef, label %for.cond135.preheader.us, label %for.cond132.for.end185_crit_edge.us-lcssa.us
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for.cond138.preheader.lr.ph.us:
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br label %for.cond138.preheader.us
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for.cond135.for.end178_crit_edge.us:
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br label %for.end178.us
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for.end185split.us-lcssa.us:
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br label %for.end185split
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for.cond132.for.end185_crit_edge.us-lcssa.us:
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br label %for.cond132.for.end185_crit_edge
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for.cond135.preheader.lr.ph.split:
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br label %for.end185split
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for.end185split:
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br label %for.end185
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for.cond132.for.end185_crit_edge:
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br label %for.end185
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for.end185:
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%inc191 = add nsw i32 %uv.013, 1
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br i1 false, label %for.end192, label %for.cond127
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for.end192:
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br label %for.inc203
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for.inc203:
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br label %for.end205
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for.end205:
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ret void
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}
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