diff test/Transforms/IndVarSimplify/2011-09-10-widen-nsw.ll @ 77:54457678186b LLVM3.6

LLVM 3.6
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 08 Sep 2014 22:06:00 +0900
parents 95c75e76d11b
children 60c9769439b8
line wrap: on
line diff
--- a/test/Transforms/IndVarSimplify/2011-09-10-widen-nsw.ll	Thu Dec 12 15:22:36 2013 +0900
+++ b/test/Transforms/IndVarSimplify/2011-09-10-widen-nsw.ll	Mon Sep 08 22:06:00 2014 +0900
@@ -1,6 +1,6 @@
 ; RUN: opt < %s -indvars -S | FileCheck %s
 ; Test WidenIV::GetExtendedOperandRecurrence.
-; add219 should be extended to i64 because it is nsw, even though its
+; %add, %sub and %mul should be extended to i64 because it is nsw, even though its
 ; sext cannot be hoisted outside the loop.
 
 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"
@@ -18,13 +18,22 @@
   br i1 undef, label %for.body170, label %for.body153
 
 ; CHECK: add nsw i64 %indvars.iv, 1
+; CHECK: sub nsw i64 %indvars.iv, 2
+; CHECK: mul nsw i64 %indvars.iv, 4
 for.body170:                                      ; preds = %for.body170, %for.body153
   %i2.19 = phi i32 [ %add249, %for.body170 ], [ 0, %for.body153 ]
-  %add219 = add nsw i32 %i2.19, 1
-  %idxprom220 = sext i32 %add219 to i64
+
+  %add = add nsw i32 %i2.19, 1
+  %add.idxprom = sext i32 %add to i64
+
+  %sub = sub nsw i32 %i2.19, 2
+  %sub.idxprom = sext i32 %sub to i64
+
+  %mul = mul nsw i32 %i2.19, 4
+  %mul.idxprom = sext i32 %mul to i64
+
   %add249 = add nsw i32 %i2.19, %shl132
   br label %for.body170
-
 for.end285:                                       ; preds = %entry
   ret void
 }