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| author | Arnold Schwaighofer <aschwaighofer@apple.com> | 2014-02-15 18:16:56 +0000 |
|---|---|---|
| committer | Arnold Schwaighofer <aschwaighofer@apple.com> | 2014-02-15 18:16:56 +0000 |
| commit | a9db46bf3e2e38760635402bb8c5976255443964 (patch) | |
| tree | dc5df71f8038e0a4d11658bd0d82270f33808f76 /test | |
| parent | e67254860230c58a5de34578354a4d1d78c87e83 (diff) | |
| download | llvm-a9db46bf3e2e38760635402bb8c5976255443964.tar.gz llvm-a9db46bf3e2e38760635402bb8c5976255443964.tar.bz2 llvm-a9db46bf3e2e38760635402bb8c5976255443964.tar.xz | |
Revert "SCEVExpander: Try hard not to create derived induction variables in other loops"
This reverts commit r201465. It broke an arm bot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201466 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/LoopStrengthReduce/X86/no_superflous_induction_vars.ll | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/test/Transforms/LoopStrengthReduce/X86/no_superflous_induction_vars.ll b/test/Transforms/LoopStrengthReduce/X86/no_superflous_induction_vars.ll deleted file mode 100644 index 5506994724..0000000000 --- a/test/Transforms/LoopStrengthReduce/X86/no_superflous_induction_vars.ll +++ /dev/null @@ -1,50 +0,0 @@ -; RUN: opt -S -loop-reduce -mcpu=corei7-avx -mtriple=x86_64-apple-macosx < %s | FileCheck %s - -target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" - -define void @indvar_expansion(i8* nocapture readonly %rowsptr) { -entry: - br label %for.cond - -; SCEVExpander used to create induction variables in the loop %for.cond while -; expanding the recurrence start value of loop strength reduced values from -; %vector.body. - -; CHECK-LABEL: indvar_expansion -; CHECK: for.cond: -; CHECK-NOT: phi i3 -; CHECK: br i1 {{.+}}, label %for.cond - -for.cond: - %indvars.iv44 = phi i64 [ %indvars.iv.next45, %for.cond ], [ 0, %entry ] - %cmp = icmp eq i8 undef, 0 - %indvars.iv.next45 = add nuw nsw i64 %indvars.iv44, 1 - br i1 %cmp, label %for.cond, label %for.cond2 - -for.cond2: - br i1 undef, label %for.cond2, label %for.body14.lr.ph - -for.body14.lr.ph: - %sext = shl i64 %indvars.iv44, 32 - %0 = ashr exact i64 %sext, 32 - %1 = sub i64 undef, %indvars.iv44 - %2 = and i64 %1, 4294967295 - %3 = add i64 %2, 1 - %fold = add i64 %1, 1 - %n.mod.vf = and i64 %fold, 7 - %n.vec = sub i64 %3, %n.mod.vf - %end.idx.rnd.down = add i64 %n.vec, %0 - br label %vector.body - -vector.body: - %index = phi i64 [ %index.next, %vector.body ], [ %0, %for.body14.lr.ph ] - %4 = getelementptr inbounds i8* %rowsptr, i64 %index - %5 = bitcast i8* %4 to <4 x i8>* - %wide.load = load <4 x i8>* %5, align 1 - %index.next = add i64 %index, 8 - %6 = icmp eq i64 %index.next, %end.idx.rnd.down - br i1 %6, label %for.end24, label %vector.body - -for.end24: - ret void -} |