-; 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.
-; FIXME: GetExtendedOperandRecurrence has problems with the nsw bit on add exprs
-; XFAIL: *
-
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"
define void @test() nounwind {
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 ], [ undef, %for.body153 ]
- %add219 = add nsw i32 %i2.19, 1
- %idxprom220 = sext i32 %add219 to i64
+ %i2.19 = phi i32 [ %add249, %for.body170 ], [ 0, %for.body153 ]
+
+ %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
}