| ; ModuleID = 'parallel_loop_simple.s' |
| ; RUN: opt %loadPolly %defaultOpts -polly-cloog -polly-codegen -enable-polly-openmp -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" |
| |
| @X = common global [1024 x float] zeroinitializer, align 16 |
| |
| define float @parallel_loop_simple() nounwind { |
| bb: |
| br label %bb2 |
| |
| bb2: ; preds = %bb10, %bb |
| %i.0 = phi i32 [ 0, %bb ], [ %tmp11, %bb10 ] |
| %exitcond1 = icmp ne i32 %i.0, 1024 |
| br i1 %exitcond1, label %bb3, label %bb12 |
| |
| bb3: ; preds = %bb2 |
| br label %bb4 |
| |
| bb4: ; preds = %bb8, %bb3 |
| %indvar = phi i64 [ %indvar.next, %bb8 ], [ 0, %bb3 ] |
| %scevgep = getelementptr [1024 x float]* @X, i64 0, i64 %indvar |
| %exitcond = icmp ne i64 %indvar, 1024 |
| br i1 %exitcond, label %bb5, label %bb9 |
| |
| bb5: ; preds = %bb4 |
| %tmp = load float* %scevgep, align 4 |
| %tmp6 = load float* %scevgep, align 4 |
| %tmp7 = fadd float %tmp6, %tmp |
| store float %tmp7, float* %scevgep, align 4 |
| br label %bb8 |
| |
| bb8: ; preds = %bb5 |
| %indvar.next = add i64 %indvar, 1 |
| br label %bb4 |
| |
| bb9: ; preds = %bb4 |
| br label %bb10 |
| |
| bb10: ; preds = %bb9 |
| %tmp11 = add nsw i32 %i.0, 1 |
| br label %bb2 |
| |
| bb12: ; preds = %bb2 |
| %tmp13 = load float* getelementptr inbounds ([1024 x float]* @X, i64 0, i64 42), align 8 |
| ret float %tmp13 |
| } |
| |
| ; CHECK: for (c2=0;c2<=1023;c2++) { |
| ; CHECK: for (c4=0;c4<=1023;c4++) { |
| ; CHECK: Stmt_bb5(c2,c4); |
| ; CHECK: } |
| ; CHECK: } |
| ; CHECK: Parallel loop with iterator 'c4' generated |
| ; CHECK-NOT: Parallel loop |
| |
