; RUN: opt %loadPolly -polly-import-jscop \ ; RUN: -polly-import-jscop-postfix=transformed -polly-simplify -analyze < %s \ ; RUN: | FileCheck %s ; ; void gemm(float A[][1024], float B[][1024], float C[][1024]) { ; for (long i = 0; i < 1024; i++) ; for (long j = 0; j < 1024; j++) { ; float tmp = C[i][j]; ; for (long k = 0; k < 1024; k++) ; tmp += A[i][k] * B[k][j]; ; C[i][j] = tmp; ; } ; } ; CHECK: After accesses { ; CHECK-NEXT: Stmt_bb13 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1] ; CHECK-NEXT: { Stmt_bb13[i0, i1, i2] -> MemRef_tmp_0__phi[] }; ; CHECK-NEXT: new: { Stmt_bb13[i0, i1, i2] -> MemRef_C[i0, i1] }; ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: { Stmt_bb13[i0, i1, i2] -> MemRef_A[i0, i2] }; ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: { Stmt_bb13[i0, i1, i2] -> MemRef_B[i2, i1] }; ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1] ; CHECK-NEXT: { Stmt_bb13[i0, i1, i2] -> MemRef_tmp_0[] }; ; CHECK-NEXT: new: { Stmt_bb13[i0, i1, i2] -> MemRef_C[i0, i1] }; ; CHECK-NEXT: } target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-pc-linux-gnu" define void @gemm([1024 x float]* %A, [1024 x float]* %B, [1024 x float]* %C) { bb: br label %bb3 bb3: ; preds = %bb26, %bb %i.0 = phi i64 [ 0, %bb ], [ %tmp27, %bb26 ] %exitcond2 = icmp ne i64 %i.0, 1024 br i1 %exitcond2, label %bb5, label %bb4 bb4: ; preds = %bb3 br label %bb28 bb5: ; preds = %bb3 br label %bb6 bb6: ; preds = %bb23, %bb5 %j.0 = phi i64 [ 0, %bb5 ], [ %tmp24, %bb23 ] %exitcond1 = icmp ne i64 %j.0, 1024 br i1 %exitcond1, label %bb8, label %bb7 bb7: ; preds = %bb6 br label %bb25 bb8: ; preds = %bb6 %tmp = getelementptr inbounds [1024 x float], [1024 x float]* %C, i64 %i.0, i64 %j.0 %tmp9 = load float, float* %tmp, align 4, !tbaa !1 br label %bb10 bb10: ; preds = %bb13, %bb8 %tmp.0 = phi float [ %tmp9, %bb8 ], [ %tmp19, %bb13 ] %k.0 = phi i64 [ 0, %bb8 ], [ %tmp20, %bb13 ] %exitcond = icmp ne i64 %k.0, 1024 br i1 %exitcond, label %bb12, label %bb11 bb11: ; preds = %bb10 %tmp.0.lcssa = phi float [ %tmp.0, %bb10 ] br label %bb21 bb12: ; preds = %bb10 br label %bb13 bb13: ; preds = %bb12 %tmp14 = getelementptr inbounds [1024 x float], [1024 x float]* %A, i64 %i.0, i64 %k.0 %tmp15 = load float, float* %tmp14, align 4, !tbaa !1 %tmp16 = getelementptr inbounds [1024 x float], [1024 x float]* %B, i64 %k.0, i64 %j.0 %tmp17 = load float, float* %tmp16, align 4, !tbaa !1 %tmp18 = fmul float %tmp15, %tmp17 %tmp19 = fadd float %tmp.0, %tmp18 %tmp20 = add nuw nsw i64 %k.0, 1 br label %bb10 bb21: ; preds = %bb11 %tmp22 = getelementptr inbounds [1024 x float], [1024 x float]* %C, i64 %i.0, i64 %j.0 store float %tmp.0.lcssa, float* %tmp22, align 4, !tbaa !1 br label %bb23 bb23: ; preds = %bb21 %tmp24 = add nuw nsw i64 %j.0, 1 br label %bb6 bb25: ; preds = %bb7 br label %bb26 bb26: ; preds = %bb25 %tmp27 = add nuw nsw i64 %i.0, 1 br label %bb3 bb28: ; preds = %bb4 ret void } declare void @llvm.lifetime.start(i64, i8* nocapture) declare void @llvm.lifetime.end(i64, i8* nocapture) !llvm.ident = !{!0} !0 = !{!"Ubuntu clang version 3.7.1-3ubuntu4 (tags/RELEASE_371/final) (based on LLVM 3.7.1)"} !1 = !{!2, !2, i64 0} !2 = !{!"float", !3, i64 0} !3 = !{!"omnipotent char", !4, i64 0} !4 = !{!"Simple C/C++ TBAA"}