-; RUN: opt < %s -S -analyze -scalar-evolution -disable-output | FileCheck %s
+; RUN: opt < %s -S -analyze -scalar-evolution | FileCheck %s
; ScalarEvolution should be able to fold away the sign-extensions
; on this loop with a primary induction variable incremented with
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"
-define void @foo(i32 %n, double* nocapture %d, double* nocapture %q) nounwind {
+define void @foo(i32 %no, double* nocapture %d, double* nocapture %q) nounwind {
entry:
+ %n = and i32 %no, 4294967294
%0 = icmp sgt i32 %n, 0 ; <i1> [#uses=1]
br i1 %0, label %bb.nph, label %return
%i.01 = phi i32 [ %16, %bb1 ], [ 0, %bb.nph ] ; <i32> [#uses=5]
; CHECK: %1 = sext i32 %i.01 to i64
-; CHECK: --> {0,+,2}<bb>
+; CHECK: --> {0,+,2}<nuw><nsw><%bb>
%1 = sext i32 %i.01 to i64 ; <i64> [#uses=1]
; CHECK: %2 = getelementptr inbounds double* %d, i64 %1
-; CHECK: --> {%d,+,16}<bb>
+; CHECK: --> {%d,+,16}<nsw><%bb>
%2 = getelementptr inbounds double* %d, i64 %1 ; <double*> [#uses=1]
%3 = load double* %2, align 8 ; <double> [#uses=1]
%7 = or i32 %i.01, 1 ; <i32> [#uses=1]
; CHECK: %8 = sext i32 %7 to i64
-; CHECK: --> {1,+,2}<bb>
+; CHECK: --> {1,+,2}<nuw><nsw><%bb>
%8 = sext i32 %7 to i64 ; <i64> [#uses=1]
; CHECK: %9 = getelementptr inbounds double* %q, i64 %8
-; CHECK: {(8 + %q),+,16}<bb>
+; CHECK: {(8 + %q),+,16}<nsw><%bb>
%9 = getelementptr inbounds double* %q, i64 %8 ; <double*> [#uses=1]
; Artificially repeat the above three instructions, this time using
%t7 = add nsw i32 %i.01, 1 ; <i32> [#uses=1]
; CHECK: %t8 = sext i32 %t7 to i64
-; CHECK: --> {1,+,2}<bb>
+; CHECK: --> {1,+,2}<nuw><nsw><%bb>
%t8 = sext i32 %t7 to i64 ; <i64> [#uses=1]
; CHECK: %t9 = getelementptr inbounds double* %q, i64 %t8
-; CHECK: {(8 + %q),+,16}<bb>
+; CHECK: {(8 + %q),+,16}<nsw><%bb>
%t9 = getelementptr inbounds double* %q, i64 %t8 ; <double*> [#uses=1]
%10 = load double* %9, align 8 ; <double> [#uses=1]
ret void
}
-; CHECK: Loop bb: backedge-taken count is ((-1 + %n) /u 2)
-; CHECK: Loop bb: max backedge-taken count is 1073741823
+; CHECK: Loop %bb: backedge-taken count is ((-1 + %n) /u 2)
+; CHECK: Loop %bb: max backedge-taken count is 1073741822