Index: lib/Analysis/ScopBuilder.cpp =================================================================== --- lib/Analysis/ScopBuilder.cpp +++ lib/Analysis/ScopBuilder.cpp @@ -102,17 +102,18 @@ cl::desc("Disable multiplicative reductions"), cl::Hidden, cl::ZeroOrMore, cl::init(false), cl::cat(PollyCategory)); -enum class GranularityChoice { BasicBlocks, Stores }; - -static cl::opt - StmtGranularity("polly-stmt-granularity", - cl::desc("Select the statement granularity algorithm"), - cl::values(clEnumValN(GranularityChoice::BasicBlocks, "bb", - "Entire basic blocks granularity"), - clEnumValN(GranularityChoice::Stores, "store", - "Store-level granularity")), - cl::init(GranularityChoice::BasicBlocks), - cl::cat(PollyCategory)); +enum class GranularityChoice { BasicBlocks, Stores, Instructions }; + +static cl::opt StmtGranularity( + "polly-stmt-granularity", + cl::desc("Select the statement granularity algorithm"), + cl::values(clEnumValN(GranularityChoice::BasicBlocks, "bb", + "Entire basic blocks granularity"), + clEnumValN(GranularityChoice::Stores, "store", + "Store-level granularity"), + clEnumValN(GranularityChoice::Instructions, "instruction", + "Instruction-level granularity")), + cl::init(GranularityChoice::BasicBlocks), cl::cat(PollyCategory)); void ScopBuilder::buildPHIAccesses(ScopStmt *PHIStmt, PHINode *PHI, Region *NonAffineSubRegion, @@ -699,6 +700,7 @@ if (shouldModelInst(&Inst, L)) Instructions.push_back(&Inst); if (Inst.getMetadata("polly_split_after") || + StmtGranularity == GranularityChoice::Instructions || (StmtGranularity == GranularityChoice::Stores && isa(Inst))) { Loop *SurroundingLoop = LI.getLoopFor(I->getNodeAs()); @@ -737,6 +739,7 @@ Count++; } if (Inst.getMetadata("polly_split_after") || + StmtGranularity == GranularityChoice::Instructions || (StmtGranularity == GranularityChoice::Stores && isa(Inst))) Split = true; Index: test/ScopInfo/stmt_split_on_each_inst.ll =================================================================== --- /dev/null +++ test/ScopInfo/stmt_split_on_each_inst.ll @@ -0,0 +1,62 @@ +; RUN: opt %loadPolly -polly-scops -analyze -polly-stmt-granularity=instruction -polly-print-instructions < %s | FileCheck %s + +; void func(int *A, int *B){ +; for (int i = 0; i < 1024; i+=1) { +; Stmt: +; A[i] = i; +; B[i] = i; +; } +; } +; +; CHECK: Statements { +; CHECK-NEXT: Stmt_Stmt2 +; CHECK-NEXT: Domain := +; CHECK-NEXT: { Stmt_Stmt2[i0] : 0 <= i0 <= 1023 }; +; CHECK-NEXT: Schedule := +; CHECK-NEXT: { Stmt_Stmt2[i0] -> [i0, 0] }; +; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] +; CHECK-NEXT: { Stmt_Stmt2[i0] -> MemRef_A[i0] }; +; CHECK-NEXT: Instructions { +; CHECK-NEXT: store i32 %i.0, i32* %arrayidx, align 4 +; CHECK-NEXT: } +; CHECK-NEXT: Stmt_Stmt5 +; CHECK-NEXT: Domain := +; CHECK-NEXT: { Stmt_Stmt5[i0] : 0 <= i0 <= 1023 }; +; CHECK-NEXT: Schedule := +; CHECK-NEXT: { Stmt_Stmt5[i0] -> [i0, 1] }; +; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] +; CHECK-NEXT: { Stmt_Stmt5[i0] -> MemRef_B[i0] }; +; CHECK-NEXT: Instructions { +; CHECK-NEXT: store i32 %i.0, i32* %arrayidx2, align 4 +; CHECK-NEXT: } +; CHECK-NEXT: } +; +; Function Attrs: noinline nounwind uwtable +define void @func(i32* %A, i32* %B) #0 { +entry: + br label %for.cond + +for.cond: ; preds = %for.inc, %entry + %i.0 = phi i32 [ 0, %entry ], [ %add, %for.inc ] + %cmp = icmp slt i32 %i.0, 1024 + br i1 %cmp, label %for.body, label %for.end + +for.body: ; preds = %for.cond + br label %Stmt + +Stmt: ; preds = %for.body + %idxprom = sext i32 %i.0 to i64 + %arrayidx = getelementptr inbounds i32, i32* %A, i64 %idxprom + store i32 %i.0, i32* %arrayidx, align 4 + %idxprom1 = sext i32 %i.0 to i64 + %arrayidx2 = getelementptr inbounds i32, i32* %B, i64 %idxprom1 + store i32 %i.0, i32* %arrayidx2, align 4 + br label %for.inc + +for.inc: ; preds = %Stmt + %add = add nsw i32 %i.0, 1 + br label %for.cond + +for.end: ; preds = %for.cond + ret void +}