| ; RUN: opt %loadPolly -basic-aa -polly-codegen -polly-vectorizer=polly -dce -S < %s | FileCheck %s |
| |
| ;#define N 1024 |
| ;float A[N]; |
| ;float B[N]; |
| ; |
| ;void simple_vec_const(void) { |
| ; int i; |
| ; |
| ; for (i = 0; i < 4; i++) |
| ; B[i] = A[i] + i; |
| ;} |
| ;int main() |
| ;{ |
| ; simple_vec_const(); |
| ; return A[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" |
| |
| @A = common global [1024 x float] zeroinitializer, align 16 |
| @B = common global [1024 x float] zeroinitializer, align 16 |
| |
| define void @simple_vec_const() nounwind { |
| bb: |
| br label %bb2 |
| |
| bb2: ; preds = %bb6, %bb |
| %indvar = phi i64 [ %indvar.next, %bb6 ], [ 0, %bb ] |
| %scevgep = getelementptr [1024 x float], [1024 x float]* @B, i64 0, i64 %indvar |
| %i.0 = trunc i64 %indvar to i32 |
| %scevgep1 = getelementptr [1024 x float], [1024 x float]* @A, i64 0, i64 %indvar |
| %exitcond = icmp ne i64 %indvar, 4 |
| br i1 %exitcond, label %bb3, label %bb7 |
| |
| bb3: ; preds = %bb2 |
| %tmp = load float, float* %scevgep1, align 4 |
| %tmp4 = sitofp i32 %i.0 to float |
| %tmp5 = fadd float %tmp, %tmp4 |
| store float %tmp5, float* %scevgep, align 4 |
| br label %bb6 |
| |
| bb6: ; preds = %bb3 |
| %indvar.next = add i64 %indvar, 1 |
| br label %bb2 |
| |
| bb7: ; preds = %bb2 |
| ret void |
| } |
| |
| define i32 @main() nounwind { |
| bb: |
| call void @simple_vec_const() |
| %tmp = load float, float* getelementptr inbounds ([1024 x float], [1024 x float]* @A, i64 0, i64 42), align 8 |
| %tmp1 = fptosi float %tmp to i32 |
| ret i32 %tmp1 |
| } |
| |
| |
| ; CHECK: insertelement <4 x float> undef, float %{{[^,]+}}, i32 0 |
| ; CHECK: insertelement <4 x float> %0, float %{{[^,]+}}, i32 1 |
| ; CHECK: insertelement <4 x float> %1, float %{{[^,]+}}, i32 2 |
| ; CHECK: insertelement <4 x float> %2, float %{{[^,]+}}, i32 3 |
| ; CHECK: fadd <4 x float> %tmp_p_vec_full, %3 |
| |