[polly] r305060 - [Polly] [ScopDetection] Allow passing multiple functions to `-polly-only-func`.
Siddharth Bhat via llvm-commits
llvm-commits at lists.llvm.org
Fri Jun 9 01:23:40 PDT 2017
Author: bollu
Date: Fri Jun 9 03:23:40 2017
New Revision: 305060
URL: http://llvm.org/viewvc/llvm-project?rev=305060&view=rev
Log:
[Polly] [ScopDetection] Allow passing multiple functions to `-polly-only-func`.
- This is useful to run optimisations on only certain functions.
Differential Revision: https://reviews.llvm.org/D33990
Added:
polly/trunk/test/ScopDetect/only_func_flag.ll
Modified:
polly/trunk/lib/Analysis/ScopDetection.cpp
Modified: polly/trunk/lib/Analysis/ScopDetection.cpp
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/lib/Analysis/ScopDetection.cpp?rev=305060&r1=305059&r2=305060&view=diff
==============================================================================
--- polly/trunk/lib/Analysis/ScopDetection.cpp (original)
+++ polly/trunk/lib/Analysis/ScopDetection.cpp Fri Jun 9 03:23:40 2017
@@ -90,11 +90,13 @@ static cl::opt<bool, true> XPollyProcess
cl::location(PollyProcessUnprofitable), cl::init(false), cl::ZeroOrMore,
cl::cat(PollyCategory));
-static cl::opt<std::string> OnlyFunction(
+static cl::list<std::string> OnlyFunctions(
"polly-only-func",
- cl::desc("Only run on functions that contain a certain string"),
- cl::value_desc("string"), cl::ValueRequired, cl::init(""),
- cl::cat(PollyCategory));
+ cl::desc("Only run on functions that contain a certain string. "
+ "Multiple strings can be comma separated. "
+ "Scop detection will run on all functions that contain "
+ "any of the strings provided."),
+ cl::ZeroOrMore, cl::CommaSeparated, cl::cat(PollyCategory));
static cl::opt<bool>
AllowFullFunction("polly-detect-full-functions",
@@ -271,6 +273,12 @@ void DiagnosticScopFound::print(Diagnost
DP << FileName << ":" << ExitLine << ": End of scop";
}
+static bool IsFnNameListedInOnlyFunctions(StringRef FnName) {
+ for (auto Name : OnlyFunctions)
+ if (FnName.count(Name) > 0)
+ return true;
+ return false;
+}
//===----------------------------------------------------------------------===//
// ScopDetection.
@@ -284,7 +292,7 @@ ScopDetection::ScopDetection(Function &F
Region *TopRegion = RI.getTopLevelRegion();
- if (OnlyFunction != "" && !F.getName().count(OnlyFunction))
+ if (OnlyFunctions.size() > 0 && !IsFnNameListedInOnlyFunctions(F.getName()))
return;
if (!isValidFunction(F))
Added: polly/trunk/test/ScopDetect/only_func_flag.ll
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/test/ScopDetect/only_func_flag.ll?rev=305060&view=auto
==============================================================================
--- polly/trunk/test/ScopDetect/only_func_flag.ll (added)
+++ polly/trunk/test/ScopDetect/only_func_flag.ll Fri Jun 9 03:23:40 2017
@@ -0,0 +1,100 @@
+; RUN: opt %loadPolly -polly-scops -analyze -polly-only-func=f,g < %s | FileCheck %s
+;
+; Check that the flag `-polly-only-func` limits analysis to `f` and `g`.
+;
+; CHECK: Function: f
+; CHECK-NEXT: Region: %for.cond---%for.end
+;
+; CHECK: Function: g
+; CHECK-NEXT: Region: %for.cond---%for.end
+;
+; CHECK-NOT: Function: h
+;
+; void f(int* sum) {
+; for (int i = 0; i <= 100; i++)
+; sum += i * 3;
+; }
+; void g(int* sum) {
+; for (int i = 0; i <= 100; i++)
+; sum += i * 3;
+; }
+; void h(int* sum) {
+; for (int i = 0; i <= 100; i++)
+; sum += i * 3;
+; }
+target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
+
+define void @f(i32* %sum) {
+entry:
+ br label %entry.split1
+
+entry.split1: ; preds = %entry
+ br label %entry.split
+
+entry.split: ; preds = %entry.split1
+ br label %for.cond
+
+for.cond: ; preds = %for.cond, %entry.split
+ %i1.0 = phi i32 [ 0, %entry.split ], [ %inc, %for.cond ]
+ %sum.reload = load i32, i32* %sum
+ %mul = mul nsw i32 %i1.0, 3
+ %add = add nsw i32 %sum.reload, %mul
+ %inc = add nsw i32 %i1.0, 1
+ store i32 %add, i32* %sum
+ %cmp = icmp slt i32 %i1.0, 100
+ br i1 %cmp, label %for.cond, label %for.end
+
+for.end: ; preds = %for.cond
+ ret void
+}
+
+
+define void @g(i32* %sum) {
+entry:
+ br label %entry.split1
+
+entry.split1: ; preds = %entry
+ br label %entry.split
+
+entry.split: ; preds = %entry.split1
+ br label %for.cond
+
+for.cond: ; preds = %for.cond, %entry.split
+ %i1.0 = phi i32 [ 0, %entry.split ], [ %inc, %for.cond ]
+ %sum.reload = load i32, i32* %sum
+ %mul = mul nsw i32 %i1.0, 3
+ %add = add nsw i32 %sum.reload, %mul
+ %inc = add nsw i32 %i1.0, 1
+ store i32 %add, i32* %sum
+ %cmp = icmp slt i32 %i1.0, 100
+ br i1 %cmp, label %for.cond, label %for.end
+
+for.end: ; preds = %for.cond
+ ret void
+}
+
+
+define void @h(i32* %sum) {
+entry:
+ br label %entry.split1
+
+entry.split1: ; preds = %entry
+ br label %entry.split
+
+entry.split: ; preds = %entry.split1
+ br label %for.cond
+
+for.cond: ; preds = %for.cond, %entry.split
+ %i1.0 = phi i32 [ 0, %entry.split ], [ %inc, %for.cond ]
+ %sum.reload = load i32, i32* %sum
+ %mul = mul nsw i32 %i1.0, 3
+ %add = add nsw i32 %sum.reload, %mul
+ %inc = add nsw i32 %i1.0, 1
+ store i32 %add, i32* %sum
+ %cmp = icmp slt i32 %i1.0, 100
+ br i1 %cmp, label %for.cond, label %for.end
+
+for.end: ; preds = %for.cond
+ ret void
+}
+
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