Improve vectorization diagnostic messages and extend vectorize(enable) pragma.

[oota-llvm.git] / test / Transforms / IndVarSimplify / 2011-09-10-widen-nsw.ll

diff --git a/test/Transforms/IndVarSimplify/2011-09-10-widen-nsw.ll b/test/Transforms/IndVarSimplify/2011-09-10-widen-nsw.ll
index 4ad63aaa947ec1bbc87361a2303e859a164e10e7..82b2120c0e87e468c5ac824290c5371a1fbf59cd 100644 (file)
--- a/test/Transforms/IndVarSimplify/2011-09-10-widen-nsw.ll
+++ b/test/Transforms/IndVarSimplify/2011-09-10-widen-nsw.ll
@@ -1,6 +1,6 @@
-; RUN: opt < %s -indvars -enable-iv-rewrite=false -S | FileCheck %s
+; 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"
@@ -17,14 +17,27 @@ for.body11:                                       ; preds = %entry
 for.body153:                                      ; preds = %for.body153, %for.body11
   br i1 undef, label %for.body170, label %for.body153
 
-; CHECK: add nsw i64 %indvars.iv, 1
+; CHECK: add nuw nsw i64 %indvars.iv, 1
+; CHECK: sub nsw i64 %indvars.iv, 2
+; CHECK: sub nsw i64 4, %indvars.iv
+; CHECK: mul nsw i64 %indvars.iv, 8
 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
+
+  %sub.neg = sub nsw i32 4, %i2.19
+  %sub.neg.idxprom = sext i32 %sub.neg to i64
+
+  %mul = mul nsw i32 %i2.19, 8
+  %mul.idxprom = sext i32 %mul to i64
+
   %add249 = add nsw i32 %i2.19, %shl132
   br label %for.body170
-
 for.end285:                                       ; preds = %entry
   ret void
 }