| ; RUN: opt %loadPolly %defaultOpts -polly-cloog -polly-codegen -enable-polly-openmp -analyze < %s | FileCheck %s |
| |
| ;#define N 1024 |
| ; |
| ;float C[N], X[N]; |
| ; |
| ;float parallel_loop_simple2() { |
| ; int j; |
| ; |
| ; for (j = 0; j < N; j++) |
| ; C[j] = j; |
| ; |
| ; for (j = 0; j < N; j++) |
| ; X[j] += X[j]; |
| ; |
| ; return C[42] + X[42]; |
| ;} |
| |
| 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" |
| |
| @C = common global [1024 x float] zeroinitializer, align 16 |
| @X = common global [1024 x float] zeroinitializer, align 16 |
| |
| define float @parallel_loop_simple2() nounwind { |
| bb: |
| br label %bb5 |
| |
| bb5: ; preds = %bb7, %bb |
| %indvar1 = phi i64 [ %indvar.next2, %bb7 ], [ 0, %bb ] |
| %scevgep4 = getelementptr [1024 x float]* @C, i64 0, i64 %indvar1 |
| %j.0 = trunc i64 %indvar1 to i32 |
| %exitcond3 = icmp ne i64 %indvar1, 1024 |
| br i1 %exitcond3, label %bb6, label %bb8 |
| |
| bb6: ; preds = %bb5 |
| %tmp = sitofp i32 %j.0 to float |
| store float %tmp, float* %scevgep4, align 4 |
| br label %bb7 |
| |
| bb7: ; preds = %bb6 |
| %indvar.next2 = add i64 %indvar1, 1 |
| br label %bb5 |
| |
| bb8: ; preds = %bb5 |
| br label %bb9 |
| |
| bb9: ; preds = %bb14, %bb8 |
| %indvar = phi i64 [ %indvar.next, %bb14 ], [ 0, %bb8 ] |
| %scevgep = getelementptr [1024 x float]* @X, i64 0, i64 %indvar |
| %exitcond = icmp ne i64 %indvar, 1024 |
| br i1 %exitcond, label %bb10, label %bb15 |
| |
| bb10: ; preds = %bb9 |
| %tmp11 = load float* %scevgep, align 4 |
| %tmp12 = load float* %scevgep, align 4 |
| %tmp13 = fadd float %tmp12, %tmp11 |
| store float %tmp13, float* %scevgep, align 4 |
| br label %bb14 |
| |
| bb14: ; preds = %bb10 |
| %indvar.next = add i64 %indvar, 1 |
| br label %bb9 |
| |
| bb15: ; preds = %bb9 |
| %tmp16 = load float* getelementptr inbounds ([1024 x float]* @C, i64 0, i64 42), align 8 |
| %tmp17 = load float* getelementptr inbounds ([1024 x float]* @X, i64 0, i64 42), align 8 |
| %tmp18 = fadd float %tmp16, %tmp17 |
| ret float %tmp18 |
| } |
| |
| ; CHECK: for (c2=0;c2<=1023;c2++) { |
| ; CHECK: Stmt_bb6(c2); |
| ; CHECK: } |
| ; CHECK: for (c2=0;c2<=1023;c2++) { |
| ; CHECK: Stmt_bb10(c2); |
| ; CHECK: } |
| ; CHECK: Parallel loop with iterator 'c2' generated |
| ; CHECK: Parallel loop with iterator 'c2' generated |
| ; CHECK-NOT: Parallel loop |