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scop detection: only handle functions with loops 

to detect scops in functions with no loops, use -polly-detect-scops-in-functions-without-loops

llvm-svn: 182941
This commit is contained in:
Sebastian Pop 2013-05-30 17:47:32 +00:00
parent ce257f296b
commit 8fe6d11b84
5 changed files with 14 additions and 6 deletions
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10
polly/lib/Analysis/ScopDetection.cpp
View File

@ -68,6 +68,11 @@
using namespace llvm;
using namespace polly;
static cl::opt<bool>
DetectScopsWithoutLoops("polly-detect-scops-in-functions-without-loops",
cl::desc("Detect scops in functions without loops"),
cl::Hidden, cl::init(false), cl::cat(PollyCategory));
static cl::opt<std::string>
OnlyFunction("polly-only-func", cl::desc("Only run on a single function"),
cl::value_desc("function-name"), cl::ValueRequired, cl::init(""),
@ -625,9 +630,12 @@ void ScopDetection::printLocations(llvm::Function &F) {
}
bool ScopDetection::runOnFunction(llvm::Function &F) {
LI = &getAnalysis<LoopInfo>();
if (!DetectScopsWithoutLoops && LI->empty())
return false;
AA = &getAnalysis<AliasAnalysis>();
SE = &getAnalysis<ScalarEvolution>();
LI = &getAnalysis<LoopInfo>();
RI = &getAnalysis<RegionInfo>();
Region *TopRegion = RI->getTopLevelRegion();

2
polly/test/Cloog/CodeGen/constant_condition.ll
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@ -1,4 +1,4 @@
;RUN: opt %loadPolly %defaultOpts -polly-cloog -analyze < %s | FileCheck %s
;RUN: opt %loadPolly %defaultOpts -polly-detect-scops-in-functions-without-loops -polly-cloog -analyze < %s | FileCheck %s
;#include <string.h>
;int A[1];

2
polly/test/Isl/CodeGen/constant_condition.ll
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@ -1,4 +1,4 @@
;RUN: opt %loadPolly %defaultOpts -polly-ast -analyze < %s | FileCheck %s
;RUN: opt %loadPolly %defaultOpts -polly-detect-scops-in-functions-without-loops -polly-ast -analyze < %s | FileCheck %s
;#include <string.h>
;int A[1];

2
polly/test/ScheduleOptimizer/2012-10-14-Zero-Bands.ll
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@ -1,4 +1,4 @@
; RUN: opt %loadPolly -polly-opt-isl -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -polly-detect-scops-in-functions-without-loops -polly-opt-isl -analyze < %s | FileCheck %s
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-S128"
target triple = "x86_64-unknown-linux-gnu"

4
polly/test/ScopDetect/parametric-multiply-in-scev.ll
View File

@ -1,5 +1,5 @@
; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -polly-detect -polly-codegen-scev -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -polly-detect-scops-in-functions-without-loops -polly-detect -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -polly-detect-scops-in-functions-without-loops -polly-detect -polly-codegen-scev -analyze < %s | FileCheck %s
; foo(float *A, long n, long k) {