1 ; RUN: opt %loadPolly -polly-scops -polly-invariant-load-hoisting=true -analyze < %s | FileCheck %s
2 ; RUN: opt %loadPolly -polly-codegen -polly-invariant-load-hoisting=true -S < %s | FileCheck %s --check-prefix=CODEGEN
9 ; y = (int)(*(float *)&U);
11 ; } while (i++ < 100);
15 ; CHECK: Invariant Accesses: {
16 ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
17 ; CHECK-NEXT: { Stmt_do_body[i0] -> MemRef_U[0] };
18 ; CHECK-NEXT: Execution Context: { : }
19 ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
20 ; CHECK-NEXT: { Stmt_do_body[i0] -> MemRef_U[0] };
21 ; CHECK-NEXT: Execution Context: { : }
25 ; CHECK-NEXT: Stmt_do_body
26 ; CHECK-NEXT: Domain :=
27 ; CHECK-NEXT: { Stmt_do_body[i0] : 0 <= i0 <= 100 };
28 ; CHECK-NEXT: Schedule :=
29 ; CHECK-NEXT: { Stmt_do_body[i0] -> [i0] };
30 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
31 ; CHECK-NEXT: { Stmt_do_body[i0] -> MemRef_A[i0] };
35 ; CODEGEN-DAG: %U.f.preload.s2a = alloca float
36 ; CODEGEN-DAG: %U.i.preload.s2a = alloca i32
37 ; CODEGEN: br label %polly.split_new_and_old
39 ; CODEGEN: polly.preload.begin:
40 ; CODEGEN-DAG: %U.load[[f:[.0-9]*]] = load float, float* bitcast (i32* @U to float*)
41 ; CODEGEN-DAG: store float %U.load[[f]], float* %U.f.preload.s2a
42 ; CODEGEN-DAG: %U.load[[i:[.0-9]*]] = load i32, i32* @U
43 ; CODEGEN-DAG: store i32 %U.load[[i]], i32* %U.i.preload.s2a
45 ; CODEGEN: polly.merge_new_and_old:
46 ; CODEGEN-DAG: %U.f.merge = phi float [ %U.f.final_reload, %polly.exiting ], [ %U.f, %do.cond ]
47 ; CODEGEN-DAG: %U.i.merge = phi i32 [ %U.i.final_reload, %polly.exiting ], [ %U.i, %do.cond ]
49 ; CODEGEN: polly.loop_exit:
50 ; CODEGEN-DAG: %U.f.final_reload = load float, float* %U.f.preload.s2a
51 ; CODEGEN-DAG: %U.i.final_reload = load i32, i32* %U.i.preload.s2a
53 ; CODEGEN: polly.stmt.do.body:
54 ; CODEGEN: %p_add = add nsw i32 %U.load[[i]], %p_conv
56 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
58 @U = common global i32 0, align 4
60 define i32 @f(i32* %A) {
64 do.body: ; preds = %do.cond, %entry
65 %indvars.iv = phi i64 [ %indvars.iv.next, %do.cond ], [ 0, %entry ]
66 %U.i = load i32, i32* @U, align 4
67 %U.cast = bitcast i32 *@U to float*
68 %U.f = load float, float* %U.cast, align 4
69 %conv = fptosi float %U.f to i32
70 %add = add nsw i32 %U.i, %conv
71 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
72 store i32 %add, i32* %arrayidx, align 4
75 do.cond: ; preds = %do.body
76 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
77 %exitcond = icmp ne i64 %indvars.iv.next, 101
78 br i1 %exitcond, label %do.body, label %do.end
80 do.end: ; preds = %do.cond
81 %conv2 = fptosi float %U.f to i32
82 %add2 = add nsw i32 %U.i, %conv2