1 files changed, 0 insertions, 285 deletions
diff --git a/llvm/test/Transforms/LoopUnroll/runtime-loop.ll b/llvm/test/Transforms/LoopUnroll/runtime-loop.ll
deleted file mode 100644
index 19072855d25..00000000000
--- a/llvm/test/Transforms/LoopUnroll/runtime-loop.ll
+++ /dev/null
@@ -1,285 +0,0 @@
-; RUN: opt < %s -S -loop-unroll -unroll-runtime=true -unroll-runtime-epilog=true  | FileCheck %s -check-prefixes=EPILOG,COMMON
-; RUN: opt < %s -S -loop-unroll -unroll-runtime=true -unroll-runtime-epilog=false | FileCheck %s -check-prefixes=PROLOG,COMMON
-;
-; RUN: opt < %s -S -passes='require<opt-remark-emit>,unroll' -unroll-runtime=true -unroll-runtime-epilog=true  | FileCheck %s -check-prefixes=EPILOG,COMMON
-; RUN: opt < %s -S -passes='require<opt-remark-emit>,unroll' -unroll-runtime=true -unroll-runtime-epilog=false | FileCheck %s -check-prefixes=PROLOG,COMMON
-;
-; Restricted versions of unroll (unroll<peeling;noruntime>, unroll-full) should not be doing runtime unrolling
-; even if it is globally enabled through -unroll-runtime option
-;
-; RUN: opt < %s -S -passes='require<opt-remark-emit>,unroll<peeling;no-runtime>' -unroll-runtime=true -unroll-runtime-epilog=true  | FileCheck %s -check-prefixes=NOEPILOG,COMMON
-; RUN: opt < %s -S -passes='require<opt-remark-emit>,unroll<peeling;no-runtime>' -unroll-runtime=true -unroll-runtime-epilog=false | FileCheck %s -check-prefixes=NOPROLOG,COMMON
-; RUN: opt < %s -S -passes='require<opt-remark-emit>,loop(unroll-full)' -unroll-runtime=true -unroll-runtime-epilog=true  | FileCheck %s -check-prefixes=NOEPILOG,COMMON
-; RUN: opt < %s -S -passes='require<opt-remark-emit>,loop(unroll-full)' -unroll-runtime=true -unroll-runtime-epilog=false | FileCheck %s -check-prefixes=NOPROLOG,COMMON
-
-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"
-
-; Tests for unrolling loops with run-time trip counts
-
-; COMMON-LABEL: @test(
-
-; EPILOG: %xtraiter = and i32 %n
-; EPILOG:  %lcmp.mod = icmp ne i32 %xtraiter, 0
-; EPILOG:  br i1 %lcmp.mod, label %for.body.epil.preheader, label %for.end.loopexit
-
-; NOEPILOG-NOT: %xtraiter = and i32 %n
-
-; PROLOG: %xtraiter = and i32 %n
-; PROLOG:  %lcmp.mod = icmp ne i32 %xtraiter, 0
-; PROLOG:  br i1 %lcmp.mod, label %for.body.prol.preheader, label %for.body.prol.loopexit
-
-; NOPROLOG-NOT: %xtraiter = and i32 %n
-
-; EPILOG: for.body.epil:
-; EPILOG: %indvars.iv.epil = phi i64 [ %indvars.iv.next.epil, %for.body.epil ],  [ %indvars.iv.unr, %for.body.epil.preheader ]
-; EPILOG:  %epil.iter.sub = sub i32 %epil.iter, 1
-; EPILOG:  %epil.iter.cmp = icmp ne i32 %epil.iter.sub, 0
-; EPILOG:  br i1 %epil.iter.cmp, label %for.body.epil, label %for.end.loopexit.epilog-lcssa, !llvm.loop !0
-
-; NOEPILOG: for.body:
-; NOEPILOG-NOT: for.body.epil:
-
-; PROLOG: for.body.prol:
-; PROLOG: %indvars.iv.prol = phi i64 [ %indvars.iv.next.prol, %for.body.prol ], [ 0, %for.body.prol.preheader ]
-; PROLOG:  %prol.iter.sub = sub i32 %prol.iter, 1
-; PROLOG:  %prol.iter.cmp = icmp ne i32 %prol.iter.sub, 0
-; PROLOG:  br i1 %prol.iter.cmp, label %for.body.prol, label %for.body.prol.loopexit.unr-lcssa, !llvm.loop !0
-
-; NOPROLOG: for.body:
-; NOPROLOG-NOT: for.body.prol:
-
-
-define i32 @test(i32* nocapture %a, i32 %n) nounwind uwtable readonly {
-entry:
-  %cmp1 = icmp eq i32 %n, 0
-  br i1 %cmp1, label %for.end, label %for.body
-
-for.body:                                         ; preds = %for.body, %entry
-  %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
-  %sum.02 = phi i32 [ %add, %for.body ], [ 0, %entry ]
-  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
-  %0 = load i32, i32* %arrayidx, align 4
-  %add = add nsw i32 %0, %sum.02
-  %indvars.iv.next = add i64 %indvars.iv, 1
-  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
-  %exitcond = icmp eq i32 %lftr.wideiv, %n
-  br i1 %exitcond, label %for.end, label %for.body
-
-for.end:                                          ; preds = %for.body, %entry
-  %sum.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ]
-  ret i32 %sum.0.lcssa
-}
-
-
-; Still try to completely unroll loops with compile-time trip counts
-; even if the -unroll-runtime is specified
-
-; COMMON-LABEL: @test1(
-; COMMON: for.body:
-; COMMON-NOT: for.body.epil:
-; COMMON-NOT: for.body.prol:
-
-define i32 @test1(i32* nocapture %a) nounwind uwtable readonly {
-entry:
-  br label %for.body
-
-for.body:                                         ; preds = %for.body, %entry
-  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
-  %sum.01 = phi i32 [ 0, %entry ], [ %add, %for.body ]
-  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
-  %0 = load i32, i32* %arrayidx, align 4
-  %add = add nsw i32 %0, %sum.01
-  %indvars.iv.next = add i64 %indvars.iv, 1
-  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
-  %exitcond = icmp eq i32 %lftr.wideiv, 5
-  br i1 %exitcond, label %for.end, label %for.body
-
-for.end:                                          ; preds = %for.body
-  ret i32 %add
-}
-
-; This is test 2007-05-09-UnknownTripCount.ll which can be unrolled now
-; if the -unroll-runtime option is turned on
-
-; COMMON-LABEL: @foo(
-; EPILOG: bb72.2:
-; PROLOG: bb72.2:
-; NOEPILOG-NOT: bb72.2:
-; NOPROLOG-NOT: bb72.2:
-
-define void @foo(i32 %trips) {
-entry:
-        br label %cond_true.outer
-
-cond_true.outer:
-        %indvar1.ph = phi i32 [ 0, %entry ], [ %indvar.next2, %bb72 ]
-        br label %bb72
-
-bb72:
-        %indvar.next2 = add i32 %indvar1.ph, 1
-        %exitcond3 = icmp eq i32 %indvar.next2, %trips
-        br i1 %exitcond3, label %cond_true138, label %cond_true.outer
-
-cond_true138:
-        ret void
-}
-
-
-; Test run-time unrolling for a loop that counts down by -2.
-
-; COMMON-LABEL: @down(
-; EPILOG: for.body.epil:
-; EPILOG: br i1 %epil.iter.cmp, label %for.body.epil, label %for.cond.for.end_crit_edge.epilog-lcssa
-
-; NOEPILOG: for.body:
-; NOEPILOG-NOT: for.body.epil:
-
-; PROLOG: for.body.prol:
-; PROLOG: br i1 %prol.iter.cmp, label %for.body.prol, label %for.body.prol.loopexit
-
-; NOPROLOG: for.body:
-; NOPROLOG-NOT: for.body.prol:
-
-define zeroext i16 @down(i16* nocapture %p, i32 %len) nounwind uwtable readonly {
-entry:
-  %cmp2 = icmp eq i32 %len, 0
-  br i1 %cmp2, label %for.end, label %for.body
-
-for.body:                                         ; preds = %for.body, %entry
-  %p.addr.05 = phi i16* [ %incdec.ptr, %for.body ], [ %p, %entry ]
-  %len.addr.04 = phi i32 [ %sub, %for.body ], [ %len, %entry ]
-  %res.03 = phi i32 [ %add, %for.body ], [ 0, %entry ]
-  %incdec.ptr = getelementptr inbounds i16, i16* %p.addr.05, i64 1
-  %0 = load i16, i16* %p.addr.05, align 2
-  %conv = zext i16 %0 to i32
-  %add = add i32 %conv, %res.03
-  %sub = add nsw i32 %len.addr.04, -2
-  %cmp = icmp eq i32 %sub, 0
-  br i1 %cmp, label %for.cond.for.end_crit_edge, label %for.body
-
-for.cond.for.end_crit_edge:                       ; preds = %for.body
-  %phitmp = trunc i32 %add to i16
-  br label %for.end
-
-for.end:                                          ; preds = %for.cond.for.end_crit_edge, %entry
-  %res.0.lcssa = phi i16 [ %phitmp, %for.cond.for.end_crit_edge ], [ 0, %entry ]
-  ret i16 %res.0.lcssa
-}
-
-; Test run-time unrolling disable metadata.
-; COMMON-LABEL: @test2(
-
-; EPILOG: for.body:
-; EPILOG-NOT: for.body.epil:
-
-; NOEPILOG: for.body:
-; NOEPILOG-NOT: for.body.epil:
-
-; PROLOG: for.body:
-; PROLOG-NOT: for.body.prol:
-
-; NOPROLOG: for.body:
-; NOPROLOG-NOT: for.body.prol:
-
-define zeroext i16 @test2(i16* nocapture %p, i32 %len) nounwind uwtable readonly {
-entry:
-  %cmp2 = icmp eq i32 %len, 0
-  br i1 %cmp2, label %for.end, label %for.body
-
-for.body:                                         ; preds = %for.body, %entry
-  %p.addr.05 = phi i16* [ %incdec.ptr, %for.body ], [ %p, %entry ]
-  %len.addr.04 = phi i32 [ %sub, %for.body ], [ %len, %entry ]
-  %res.03 = phi i32 [ %add, %for.body ], [ 0, %entry ]
-  %incdec.ptr = getelementptr inbounds i16, i16* %p.addr.05, i64 1
-  %0 = load i16, i16* %p.addr.05, align 2
-  %conv = zext i16 %0 to i32
-  %add = add i32 %conv, %res.03
-  %sub = add nsw i32 %len.addr.04, -2
-  %cmp = icmp eq i32 %sub, 0
-  br i1 %cmp, label %for.cond.for.end_crit_edge, label %for.body, !llvm.loop !0
-
-for.cond.for.end_crit_edge:                       ; preds = %for.body
-  %phitmp = trunc i32 %add to i16
-  br label %for.end
-
-for.end:                                          ; preds = %for.cond.for.end_crit_edge, %entry
-  %res.0.lcssa = phi i16 [ %phitmp, %for.cond.for.end_crit_edge ], [ 0, %entry ]
-  ret i16 %res.0.lcssa
-}
-
-; dont unroll loop with multiple exit/exiting blocks, unless
-; -runtime-unroll-multi-exit=true
-; single exit, multiple exiting blocks.
-define void @unique_exit(i32 %arg) {
-; COMMON-LABEL: @unique_exit(
-; COMMON-NOT: .unr
-
-entry:
-  %tmp = icmp sgt i32 undef, %arg
-  br i1 %tmp, label %preheader, label %returnblock
-
-preheader:                                 ; preds = %entry
-  br label %header
-
-LoopExit:                                ; preds = %header, %latch
-  %tmp2.ph = phi i32 [ %tmp4, %header ], [ -1, %latch ]
-  br label %returnblock
-
-returnblock:                                         ; preds = %LoopExit, %entry
-  %tmp2 = phi i32 [ -1, %entry ], [ %tmp2.ph, %LoopExit ]
-  ret void
-
-header:                                           ; preds = %preheader, %latch
-  %tmp4 = phi i32 [ %inc, %latch ], [ %arg, %preheader ]
-  %inc = add nsw i32 %tmp4, 1
-  br i1 true, label %LoopExit, label %latch
-
-latch:                                            ; preds = %header
-  %cmp = icmp slt i32 %inc, undef
-  br i1 %cmp, label %header, label %LoopExit
-}
-
-; multiple exit blocks. don't unroll
-define void @multi_exit(i64 %trip, i1 %cond) {
-; COMMON-LABEL: @multi_exit(
-; COMMON-NOT: .unr
-
-entry:
-  br label %loop_header
-
-loop_header:
-  %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop_latch ]
-  br i1 %cond, label %loop_latch, label %loop_exiting_bb1
-
-loop_exiting_bb1:
-  br i1 false, label %loop_exiting_bb2, label %exit1
-
-loop_exiting_bb2:
-  br i1 false, label %loop_latch, label %exit3
-
-exit3:
-  ret void
-
-loop_latch:
-  %iv_next = add i64 %iv, 1
-  %cmp = icmp ne i64 %iv_next, %trip
-  br i1 %cmp, label %loop_header, label %exit2.loopexit
-
-exit1:
- ret void
-
-exit2.loopexit:
-  ret void
-}
-
-!0 = distinct !{!0, !1}
-!1 = !{!"llvm.loop.unroll.runtime.disable"}
-
-; need to use LABEL here to separate function IR matching from metadata matching
-; COMMON-LABEL: {{^}}!0 =
-
-; EPILOG-SAME: distinct !{!0, !1}
-; EPILOG: !1 = !{!"llvm.loop.unroll.disable"}
-
-; PROLOG-SAME: distinct !{!0, !1}
-; PROLOG: !1 = !{!"llvm.loop.unroll.disable"}