[llvm] r231708 - [SCEV] Add a `scalar-evolution-print-constant-ranges' option

Sanjoy Das sanjoy at playingwithpointers.com
Mon Mar 9 14:43:39 PDT 2015


Author: sanjoy
Date: Mon Mar  9 16:43:39 2015
New Revision: 231708

URL: http://llvm.org/viewvc/llvm-project?rev=231708&view=rev
Log:
[SCEV] Add a `scalar-evolution-print-constant-ranges' option

Summary:
Unused in this commit, but will be used in a subsequent change (D8142)
by a FileCheck test.

Reviewers: atrick

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D8143

Modified:
    llvm/trunk/lib/Analysis/ScalarEvolution.cpp
    llvm/trunk/test/Analysis/ScalarEvolution/fold.ll
    llvm/trunk/test/Analysis/ScalarEvolution/load.ll
    llvm/trunk/test/Analysis/ScalarEvolution/max-trip-count-address-space.ll
    llvm/trunk/test/Analysis/ScalarEvolution/nsw.ll
    llvm/trunk/test/Analysis/ScalarEvolution/sext-iv-0.ll
    llvm/trunk/test/Analysis/ScalarEvolution/sext-iv-2.ll
    llvm/trunk/test/Analysis/ScalarEvolution/trip-count11.ll
    llvm/trunk/test/Analysis/ScalarEvolution/zext-wrap.ll

Modified: llvm/trunk/lib/Analysis/ScalarEvolution.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScalarEvolution.cpp?rev=231708&r1=231707&r2=231708&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ScalarEvolution.cpp (original)
+++ llvm/trunk/lib/Analysis/ScalarEvolution.cpp Mon Mar  9 16:43:39 2015
@@ -8150,6 +8150,12 @@ void ScalarEvolution::print(raw_ostream
       OS << "  -->  ";
       const SCEV *SV = SE.getSCEV(&*I);
       SV->print(OS);
+      if (!isa<SCEVCouldNotCompute>(SV)) {
+        OS << " U: ";
+        SE.getUnsignedRange(SV).print(OS);
+        OS << " S: ";
+        SE.getSignedRange(SV).print(OS);
+      }
 
       const Loop *L = LI->getLoopFor((*I).getParent());
 
@@ -8157,6 +8163,12 @@ void ScalarEvolution::print(raw_ostream
       if (AtUse != SV) {
         OS << "  -->  ";
         AtUse->print(OS);
+        if (!isa<SCEVCouldNotCompute>(AtUse)) {
+          OS << " U: ";
+          SE.getUnsignedRange(AtUse).print(OS);
+          OS << " S: ";
+          SE.getSignedRange(AtUse).print(OS);
+        }
       }
 
       if (L) {

Modified: llvm/trunk/test/Analysis/ScalarEvolution/fold.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Analysis/ScalarEvolution/fold.ll?rev=231708&r1=231707&r2=231708&view=diff
==============================================================================
--- llvm/trunk/test/Analysis/ScalarEvolution/fold.ll (original)
+++ llvm/trunk/test/Analysis/ScalarEvolution/fold.ll Mon Mar  9 16:43:39 2015
@@ -34,7 +34,7 @@ loop:
   %rand2 = icmp ugt i32 %A, %Z1
   %Z2 = select i1 %rand2, i32 %A, i32 %Z1
 ; CHECK: %Z2 =
-; CHECK-NEXT: -->  ([[EXPR:.*]]){{ +}}Exits: 20
+; CHECK-NEXT: -->  ([[EXPR:.*]]){{ U: [^ ]+ S: [^ ]+}}{{ +}}Exits: 20
   %B = trunc i32 %Z2 to i16
   %C = sext i16 %B to i30
 ; CHECK: %C =

Modified: llvm/trunk/test/Analysis/ScalarEvolution/load.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Analysis/ScalarEvolution/load.ll?rev=231708&r1=231707&r2=231708&view=diff
==============================================================================
--- llvm/trunk/test/Analysis/ScalarEvolution/load.ll (original)
+++ llvm/trunk/test/Analysis/ScalarEvolution/load.ll Mon Mar  9 16:43:39 2015
@@ -14,14 +14,14 @@ entry:
 
 for.body:                                         ; preds = %entry, %for.body
   %sum.04 = phi i32 [ 0, %entry ], [ %add2, %for.body ]
-; CHECK: -->  %sum.04{{ *}}Exits: 2450
+; CHECK: -->  %sum.04{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: 2450
   %i.03 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
   %arrayidx = getelementptr inbounds [50 x i32], [50 x i32]* @arr1, i32 0, i32 %i.03
   %0 = load i32, i32* %arrayidx, align 4
-; CHECK: -->  %0{{ *}}Exits: 50
+; CHECK: -->  %0{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: 50
   %arrayidx1 = getelementptr inbounds [50 x i32], [50 x i32]* @arr2, i32 0, i32 %i.03
   %1 = load i32, i32* %arrayidx1, align 4
-; CHECK: -->  %1{{ *}}Exits: 0
+; CHECK: -->  %1{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: 0
   %add = add i32 %0, %sum.04
   %add2 = add i32 %add, %1
   %inc = add nsw i32 %i.03, 1
@@ -48,15 +48,15 @@ entry:
 
 for.body:                                         ; preds = %entry, %for.body
   %sum.02 = phi i32 [ 0, %entry ], [ %add, %for.body ]
-; CHECK: -->  %sum.02{{ *}}Exits: 10
+; CHECK: -->  %sum.02{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: 10
   %n.01 = phi %struct.ListNode* [ bitcast ({ %struct.ListNode*, i32, [4 x i8] }* @node5 to %struct.ListNode*), %entry ], [ %1, %for.body ]
-; CHECK: -->  %n.01{{ *}}Exits: @node1
+; CHECK: -->  %n.01{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: @node1
   %i = getelementptr inbounds %struct.ListNode, %struct.ListNode* %n.01, i64 0, i32 1
   %0 = load i32, i32* %i, align 4
   %add = add nsw i32 %0, %sum.02
   %next = getelementptr inbounds %struct.ListNode, %struct.ListNode* %n.01, i64 0, i32 0
   %1 = load %struct.ListNode*, %struct.ListNode** %next, align 8
-; CHECK: -->  %1{{ *}}Exits: 0
+; CHECK: -->  %1{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: 0
   %cmp = icmp eq %struct.ListNode* %1, null
   br i1 %cmp, label %for.end, label %for.body
 

Modified: llvm/trunk/test/Analysis/ScalarEvolution/max-trip-count-address-space.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Analysis/ScalarEvolution/max-trip-count-address-space.ll?rev=231708&r1=231707&r2=231708&view=diff
==============================================================================
--- llvm/trunk/test/Analysis/ScalarEvolution/max-trip-count-address-space.ll (original)
+++ llvm/trunk/test/Analysis/ScalarEvolution/max-trip-count-address-space.ll Mon Mar  9 16:43:39 2015
@@ -4,7 +4,7 @@
 
 target datalayout = "e-p:32:32:32-p1:16:16:16-p2:8:8:8-p4:64:64:64-n16:32:64"
 
-; CHECK:  {%d,+,4}<%bb>		Exits: ((4 * (trunc i32 (-1 + %n) to i16)) + %d)
+; CHECK:  {%d,+,4}<%bb>{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: ((4 * (trunc i32 (-1 + %n) to i16)) + %d)
 
 
 define void @foo(i32 addrspace(1)* nocapture %d, i32 %n) nounwind {

Modified: llvm/trunk/test/Analysis/ScalarEvolution/nsw.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Analysis/ScalarEvolution/nsw.ll?rev=231708&r1=231707&r2=231708&view=diff
==============================================================================
--- llvm/trunk/test/Analysis/ScalarEvolution/nsw.ll (original)
+++ llvm/trunk/test/Analysis/ScalarEvolution/nsw.ll Mon Mar  9 16:43:39 2015
@@ -124,7 +124,7 @@ exit:
 }
 
 ; CHECK-LABEL: PR12375
-; CHECK: -->  {(4 + %arg),+,4}<nuw><%bb1>		Exits: (8 + %arg)<nsw>
+; CHECK: -->  {(4 + %arg),+,4}<nuw><%bb1>{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: (8 + %arg)<nsw>
 define i32 @PR12375(i32* readnone %arg) {
 bb:
   %tmp = getelementptr inbounds i32, i32* %arg, i64 2
@@ -143,7 +143,7 @@ bb7:
 }
 
 ; CHECK-LABEL: PR12376
-; CHECK: -->  {(4 + %arg),+,4}<nuw><%bb2>		Exits: (4 + (4 * ((3 + (-1 * %arg) + (%arg umax %arg1)) /u 4)) + %arg)
+; CHECK: -->  {(4 + %arg),+,4}<nuw><%bb2>{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: (4 + (4 * ((3 + (-1 * %arg) + (%arg umax %arg1)) /u 4)) + %arg)
 define void @PR12376(i32* nocapture %arg, i32* nocapture %arg1)  {
 bb:
   br label %bb2
@@ -161,7 +161,7 @@ bb5:
 declare void @f(i32)
 
 ; CHECK-LABEL: nswnowrap
-; CHECK: --> {(1 + %v),+,1}<nsw><%for.body>   Exits: (2 + %v)
+; CHECK: --> {(1 + %v),+,1}<nsw><%for.body>{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: (2 + %v)
 define void @nswnowrap(i32 %v) {
 entry:
   %add = add nsw i32 %v, 1

Modified: llvm/trunk/test/Analysis/ScalarEvolution/sext-iv-0.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Analysis/ScalarEvolution/sext-iv-0.ll?rev=231708&r1=231707&r2=231708&view=diff
==============================================================================
--- llvm/trunk/test/Analysis/ScalarEvolution/sext-iv-0.ll (original)
+++ llvm/trunk/test/Analysis/ScalarEvolution/sext-iv-0.ll Mon Mar  9 16:43:39 2015
@@ -13,16 +13,16 @@ bb1.thread:
 bb1:		; preds = %bb1, %bb1.thread
 	%i.0.reg2mem.0 = phi i64 [ -128, %bb1.thread ], [ %8, %bb1 ]		; <i64> [#uses=3]
 ; CHECK: %i.0.reg2mem.0
-; CHECK-NEXT: -->  {-128,+,1}<%bb1>		Exits: 127
+; CHECK-NEXT: -->  {-128,+,1}<%bb1>{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: 127
 	%0 = trunc i64 %i.0.reg2mem.0 to i8		; <i8> [#uses=1]
 ; CHECK: %0
-; CHECK-NEXT: -->  {-128,+,1}<%bb1>		Exits: 127
+; CHECK-NEXT: -->  {-128,+,1}<%bb1>{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: 127
 	%1 = trunc i64 %i.0.reg2mem.0 to i9		; <i8> [#uses=1]
 ; CHECK: %1
-; CHECK-NEXT: -->  {-128,+,1}<%bb1>		Exits: 127
+; CHECK-NEXT: -->  {-128,+,1}<%bb1>{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: 127
 	%2 = sext i9 %1 to i64		; <i64> [#uses=1]
 ; CHECK: %2
-; CHECK-NEXT: -->  {-128,+,1}<nsw><%bb1>	Exits: 127
+; CHECK-NEXT: -->  {-128,+,1}<nsw><%bb1>{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: 127
 	%3 = getelementptr double, double* %x, i64 %2		; <double*> [#uses=1]
 	%4 = load double, double* %3, align 8		; <double> [#uses=1]
 	%5 = fmul double %4, 3.900000e+00		; <double> [#uses=1]

Modified: llvm/trunk/test/Analysis/ScalarEvolution/sext-iv-2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Analysis/ScalarEvolution/sext-iv-2.ll?rev=231708&r1=231707&r2=231708&view=diff
==============================================================================
--- llvm/trunk/test/Analysis/ScalarEvolution/sext-iv-2.ll (original)
+++ llvm/trunk/test/Analysis/ScalarEvolution/sext-iv-2.ll Mon Mar  9 16:43:39 2015
@@ -1,9 +1,9 @@
 ; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
 
 ; CHECK: %tmp3 = sext i8 %tmp2 to i32
-; CHECK: -->  (sext i8 {0,+,1}<%bb1> to i32)   Exits: -1
+; CHECK: -->  (sext i8 {0,+,1}<%bb1> to i32){{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: -1
 ; CHECK: %tmp4 = mul i32 %tmp3, %i.02
-; CHECK: -->  ((sext i8 {0,+,1}<%bb1> to i32) * {0,+,1}<%bb>)   Exits: {0,+,-1}<%bb>
+; CHECK: -->  ((sext i8 {0,+,1}<%bb1> to i32) * {0,+,1}<%bb>){{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: {0,+,-1}<%bb>
 
 ; These sexts are not foldable.
 

Modified: llvm/trunk/test/Analysis/ScalarEvolution/trip-count11.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Analysis/ScalarEvolution/trip-count11.ll?rev=231708&r1=231707&r2=231708&view=diff
==============================================================================
--- llvm/trunk/test/Analysis/ScalarEvolution/trip-count11.ll (original)
+++ llvm/trunk/test/Analysis/ScalarEvolution/trip-count11.ll Mon Mar  9 16:43:39 2015
@@ -13,7 +13,7 @@ entry:
 
 for.cond:                                         ; preds = %for.inc, %entry
   %sum.0 = phi i32 [ 0, %entry ], [ %add, %for.inc ]
-; CHECK: --> %sum.0 Exits: 28
+; CHECK: --> %sum.0{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: 28
   %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
   %cmp = icmp ult i32 %i.0, 8
   br i1 %cmp, label %for.inc, label %for.end
@@ -36,7 +36,7 @@ entry:
 
 for.cond:                                         ; preds = %for.inc, %entry
   %sum.0 = phi i32 [ 0, %entry ], [ %add, %for.inc ]
-; CHECK: --> %sum.0 Exits: 28
+; CHECK: --> %sum.0{{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: 28
   %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
   %cmp = icmp ult i32 %i.0, 8
   br i1 %cmp, label %for.inc, label %for.end

Modified: llvm/trunk/test/Analysis/ScalarEvolution/zext-wrap.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Analysis/ScalarEvolution/zext-wrap.ll?rev=231708&r1=231707&r2=231708&view=diff
==============================================================================
--- llvm/trunk/test/Analysis/ScalarEvolution/zext-wrap.ll (original)
+++ llvm/trunk/test/Analysis/ScalarEvolution/zext-wrap.ll Mon Mar  9 16:43:39 2015
@@ -10,7 +10,7 @@ bb.i:           ; preds = %bb1.i, %bb.np
 
 ; This cast shouldn't be folded into the addrec.
 ; CHECK: %tmp = zext i8 %l_95.0.i1 to i16
-; CHECK: -->  (zext i8 {0,+,-1}<%bb.i> to i16)    Exits: 2
+; CHECK: -->  (zext i8 {0,+,-1}<%bb.i> to i16){{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: 2
 
         %tmp = zext i8 %l_95.0.i1 to i16
 





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