Reapply the new LoopStrengthReduction code, with compile time and
bug fixes, and with improved heuristics for analyzing foreign-loop
addrecs.
This change also flattens IVUsers, eliminating the stride-oriented
groupings, which makes it easier to work with.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95975 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/loop-strength-reduce.ll b/test/CodeGen/X86/loop-strength-reduce.ll
index 4cb56ca..42c6ac4 100644
--- a/test/CodeGen/X86/loop-strength-reduce.ll
+++ b/test/CodeGen/X86/loop-strength-reduce.ll
@@ -1,8 +1,11 @@
-; RUN: llc < %s -march=x86 -relocation-model=static | \
-; RUN: grep {A+} | count 2
-;
-; Make sure the common loop invariant A is not hoisted up to preheader,
-; since it can be subsumed into the addressing mode in all uses.
+; RUN: llc < %s -march=x86 -relocation-model=static | FileCheck %s
+
+; CHECK: align
+; CHECK: movl $4, -4(%ecx)
+; CHECK: movl $5, (%ecx)
+; CHECK: addl $4, %ecx
+; CHECK: decl %eax
+; CHECK: jne
@A = internal global [16 x [16 x i32]] zeroinitializer, align 32 ; <[16 x [16 x i32]]*> [#uses=2]