Revert r230280: "Bugfix: SCEVExpander incorrectly marks increment operations as no...

[oota-llvm.git] / test / Analysis / ScalarEvolution / scev-expander-incorrect-nowrap.ll

diff --git a/test/Analysis/ScalarEvolution/scev-expander-incorrect-nowrap.ll b/test/Analysis/ScalarEvolution/scev-expander-incorrect-nowrap.ll
deleted file mode 100644 (file)
index 012cad7..0000000
--- a/test/Analysis/ScalarEvolution/scev-expander-incorrect-nowrap.ll
+++ /dev/null
@@ -1,30 +0,0 @@
-; RUN: opt -indvars -S < %s | FileCheck %s
-
-declare void @use(i32)
-declare void @use.i8(i8)
-
-define void @f() {
-; CHECK-LABEL: @f
- entry:
-  br label %loop
-
- loop:
-; The only use for idx.mirror is to induce an nuw for %idx.  It does
-; not induce an nuw for %idx.inc
-  %idx.mirror = phi i8 [ -6, %entry ], [ %idx.mirror.inc, %loop ]
-  %idx = phi i8 [ -5, %entry ], [ %idx.inc, %loop ]
-
-  %idx.sext = sext i8 %idx to i32
-  call void @use(i32 %idx.sext)
-
-  %idx.mirror.inc = add nuw i8 %idx.mirror, 1
-  call void @use.i8(i8 %idx.mirror.inc)
-
-  %idx.inc = add i8 %idx, 1
-; CHECK-NOT: %indvars.iv.next = add nuw nsw i32 %indvars.iv, 1
-  %cmp = icmp ugt i8 %idx.inc, 0
-  br i1 %cmp, label %loop, label %exit
-
- exit:
-  ret void
-}