[polly] r185254 - TempScop: (Partial) Implement the printDetail function.
Hongbin Zheng
etherzhhb at gmail.com
Sat Jun 29 00:00:14 PDT 2013
Author: ether
Date: Sat Jun 29 02:00:14 2013
New Revision: 185254
URL: http://llvm.org/viewvc/llvm-project?rev=185254&view=rev
Log:
TempScop: (Partial) Implement the printDetail function.
Added:
polly/trunk/test/TempScop/tempscop-printing.ll
Modified:
polly/trunk/include/polly/TempScopInfo.h
polly/trunk/lib/Analysis/TempScopInfo.cpp
Modified: polly/trunk/include/polly/TempScopInfo.h
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/include/polly/TempScopInfo.h?rev=185254&r1=185253&r2=185254&view=diff
==============================================================================
--- polly/trunk/include/polly/TempScopInfo.h (original)
+++ polly/trunk/include/polly/TempScopInfo.h Sat Jun 29 02:00:14 2013
@@ -74,6 +74,8 @@ public:
bool isWrite() const { return Type & WRITE; }
bool isScalar() const { return Type & SCALAR; }
+
+ void print(raw_ostream &OS) const;
};
class Comparison {
Modified: polly/trunk/lib/Analysis/TempScopInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/lib/Analysis/TempScopInfo.cpp?rev=185254&r1=185253&r2=185254&view=diff
==============================================================================
--- polly/trunk/lib/Analysis/TempScopInfo.cpp (original)
+++ polly/trunk/lib/Analysis/TempScopInfo.cpp Sat Jun 29 02:00:14 2013
@@ -35,7 +35,16 @@ using namespace llvm;
using namespace polly;
//===----------------------------------------------------------------------===//
-/// Helper Class
+/// Helper Classes
+
+void IRAccess::print(raw_ostream &OS) const {
+ if (isRead())
+ OS << "Read ";
+ else
+ OS << "Write ";
+
+ OS << BaseAddress->getName() << '[' << *Offset << "]\n";
+}
void Comparison::print(raw_ostream &OS) const {
// Not yet implemented.
@@ -72,7 +81,27 @@ void TempScop::print(raw_ostream &OS, Sc
void TempScop::printDetail(raw_ostream &OS, ScalarEvolution *SE,
LoopInfo *LI, const Region *CurR,
- unsigned ind) const {}
+ unsigned ind) const {
+
+ // FIXME: Print other details rather than memory accesses.
+ typedef Region::const_block_iterator bb_iterator;
+ for (bb_iterator I = CurR->block_begin(), E = CurR->block_end(); I != E; ++I){
+ BasicBlock *CurBlock = *I;
+
+ AccFuncMapType::const_iterator AccSetIt = AccFuncMap.find(CurBlock);
+
+ // Ignore trivial blocks that do not contain any memory access.
+ if (AccSetIt == AccFuncMap.end()) continue;
+
+ OS.indent(ind) << "BB: " << CurBlock->getName() << '\n';
+ typedef AccFuncSetType::const_iterator access_iterator;
+ const AccFuncSetType &AccFuncs = AccSetIt->second;
+
+ for (access_iterator AI = AccFuncs.begin(), AE = AccFuncs.end();
+ AI != AE; ++AI)
+ AI->first.print(OS.indent(ind + 2));
+ }
+}
void TempScopInfo::buildScalarDependences(Instruction *Inst, Region *R) {
// No need to translate these scalar dependences into polyhedral form, because
Added: polly/trunk/test/TempScop/tempscop-printing.ll
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/test/TempScop/tempscop-printing.ll?rev=185254&view=auto
==============================================================================
--- polly/trunk/test/TempScop/tempscop-printing.ll (added)
+++ polly/trunk/test/TempScop/tempscop-printing.ll Sat Jun 29 02:00:14 2013
@@ -0,0 +1,51 @@
+; RUN: opt %loadPolly -basicaa -polly-analyze-ir -analyze < %s | FileCheck %s
+
+; void f(long A[], int N, int *init_ptr) {
+; long i, j;
+;
+; for (i = 0; i < N; ++i) {
+; init = *init_ptr;
+; for (i = 0; i < N; ++i) {
+; A[i] = init + 2;
+; }
+; }
+; }
+
+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"
+target triple = "x86_64-unknown-linux-gnu"
+
+define void @f(i64* noalias %A, i64 %N, i64* noalias %init_ptr) nounwind {
+entry:
+ br label %for.i
+
+for.i:
+ %indvar.i = phi i64 [ 0, %entry ], [ %indvar.i.next, %for.i.end ]
+ %indvar.i.next = add nsw i64 %indvar.i, 1
+ br label %entry.next
+
+entry.next:
+; CHECK: BB: entry.next
+ %init = load i64* %init_ptr
+; CHECK: Read init_ptr[0]
+; CHECK: Write init.s2a[0]
+ br label %for.j
+
+for.j:
+ %indvar.j = phi i64 [ 0, %entry.next ], [ %indvar.j.next, %for.j ]
+; CHECK: BB: for.j
+; CHECK: Read init.s2a[0]
+; CHECK: Write A[{0,+,8}<%for.j>]
+ %init_plus_two = add i64 %init, 2
+ %scevgep = getelementptr i64* %A, i64 %indvar.j
+ store i64 %init_plus_two, i64* %scevgep
+ %indvar.j.next = add nsw i64 %indvar.j, 1
+ %exitcond.j = icmp eq i64 %indvar.j.next, %N
+ br i1 %exitcond.j, label %for.i.end, label %for.j
+
+for.i.end:
+ %exitcond.i = icmp eq i64 %indvar.i.next, %N
+ br i1 %exitcond.i, label %return, label %for.i
+
+return:
+ ret void
+}
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