| ; RUN: opt %loadPolly %defaultOpts -polly-detect -polly-codegen-scev -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" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| %struct._IO_FILE = type { i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker*, %struct._IO_FILE*, i32, i32, i64, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i8*, i8*, i64, i32, [20 x i8] } |
| %struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, i32 } |
| |
| @A = common global [1024 x [1024 x double]] zeroinitializer, align 32 |
| @stderr = external global %struct._IO_FILE* |
| @.str = private constant [8 x i8] c"%0.2lf \00", align 1 |
| |
| define void @scop_func(i64 %n) nounwind { |
| entry: |
| %0 = icmp sgt i64 %n, 0 |
| br i1 %0, label %bb.nph28, label %return |
| |
| bb1: ; preds = %bb1.preheader, %bb1 |
| %indvar = phi i64 [ %indvar.next, %bb1 ], [ 0, %bb1.preheader ] |
| %tmp27 = add i64 %tmp26, %indvar |
| %scevgep = getelementptr [1024 x [1024 x double]]* @A, i64 0, i64 0, i64 %tmp27 |
| %1 = load double* %scevgep, align 8 |
| %2 = load double* %scevgep69, align 8 |
| %3 = fdiv double %1, %2 |
| store double %3, double* %scevgep, align 8 |
| %indvar.next = add i64 %indvar, 1 |
| %exitcond20 = icmp eq i64 %indvar.next, %tmp1 |
| br i1 %exitcond20, label %bb8.loopexit, label %bb1 |
| |
| bb5: ; preds = %bb6.preheader, %bb5 |
| %indvar34 = phi i64 [ %indvar.next35, %bb5 ], [ 0, %bb6.preheader ] |
| %tmp34 = add i64 %tmp26, %indvar34 |
| %scevgep45 = getelementptr [1024 x [1024 x double]]* @A, i64 0, i64 %tmp32, i64 %tmp34 |
| %scevgep46 = getelementptr [1024 x [1024 x double]]* @A, i64 0, i64 0, i64 %tmp34 |
| %4 = load double* %scevgep45, align 8 |
| %5 = load double* %scevgep55, align 8 |
| %6 = load double* %scevgep46, align 8 |
| %7 = fmul double %5, %6 |
| %8 = fsub double %4, %7 |
| store double %8, double* %scevgep45, align 8 |
| %indvar.next35 = add i64 %indvar34, 1 |
| %exitcond2 = icmp eq i64 %indvar.next35, %tmp1 |
| br i1 %exitcond2, label %bb8.loopexit4, label %bb5 |
| |
| bb8.loopexit: ; preds = %bb1 |
| br i1 %10, label %bb6.preheader.preheader, label %bb9 |
| |
| bb6.preheader.preheader: ; preds = %bb8.loopexit |
| br label %bb6.preheader |
| |
| bb8.loopexit4: ; preds = %bb5 |
| %exitcond11 = icmp eq i64 %tmp57, %tmp1 |
| br i1 %exitcond11, label %bb9.loopexit, label %bb6.preheader |
| |
| bb6.preheader: ; preds = %bb6.preheader.preheader, %bb8.loopexit4 |
| %indvar39 = phi i64 [ %tmp57, %bb8.loopexit4 ], [ 0, %bb6.preheader.preheader ] |
| %tmp32 = add i64 %indvar39, 1 |
| %scevgep55 = getelementptr [1024 x [1024 x double]]* @A, i64 0, i64 %tmp32, i64 %tmp25 |
| %tmp57 = add i64 %indvar39, 1 |
| br label %bb5 |
| |
| bb9.loopexit: ; preds = %bb8.loopexit4 |
| br label %bb9 |
| |
| bb9: ; preds = %bb9.loopexit, %bb2.preheader, %bb8.loopexit |
| %exitcond = icmp eq i64 %9, %n |
| br i1 %exitcond, label %return.loopexit, label %bb2.preheader |
| |
| bb.nph28: ; preds = %entry |
| %tmp29 = add i64 %n, -1 |
| br label %bb2.preheader |
| |
| bb2.preheader: ; preds = %bb.nph28, %bb9 |
| %storemerge17 = phi i64 [ 0, %bb.nph28 ], [ %9, %bb9 ] |
| %tmp25 = mul i64 %storemerge17, 1025 |
| %tmp26 = add i64 %tmp25, 1 |
| %tmp30 = mul i64 %storemerge17, -1 |
| %tmp1 = add i64 %tmp29, %tmp30 |
| %storemerge15 = add i64 %storemerge17, 1 |
| %scevgep69 = getelementptr [1024 x [1024 x double]]* @A, i64 0, i64 0, i64 %tmp25 |
| %9 = add i64 %storemerge17, 1 |
| %10 = icmp slt i64 %storemerge15, %n |
| br i1 %10, label %bb1.preheader, label %bb9 |
| |
| bb1.preheader: ; preds = %bb2.preheader |
| br label %bb1 |
| |
| return.loopexit: ; preds = %bb9 |
| br label %return |
| |
| return: ; preds = %return.loopexit, %entry |
| ret void |
| } |
| ; CHECK: Valid Region for Scop: entry.split => return |