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
4 ; void f(int *I0, int *I1, int *V) {
5 ; for (int i = 0; i < 1000; i++) {
6 ; if ((long)(*I0) == 0)
11 ; CHECK: Assumed Context:
12 ; CHECK-NEXT: [loadI0] -> { : }
13 ; CHECK-NEXT: Invalid Context:
14 ; CHECK-NEXT: [loadI0] -> { : loadI0 < 0 }
19 ; CHECK-NEXT: Domain :=
20 ; CHECK-NEXT: [loadI0] -> { Stmt_if_then[i0] : loadI0 = 0 and 0 <= i0 <= 999 };
22 ; CODEGEN: polly.preload.begin:
23 ; CODEGEN-NEXT: %polly.access.I0 = getelementptr i32, i32* %I0, i64 0
24 ; CODEGEN-NEXT: %polly.access.I0.load = load i32, i32* %polly.access.I0
25 ; CODEGEN-NEXT: store i32 %polly.access.I0.load, i32* %loadI0.preload.s2a
26 ; CODEGEN-NEXT: %0 = sext i32 %polly.access.I0.load to i64
27 ; CODEGEN-NEXT: %1 = icmp eq i64 %0, 0
28 ; CODEGEN-NEXT: br label %polly.preload.cond
30 ; CODEGEN: polly.preload.cond:
31 ; CODEGEN-NEXT: br i1 %1, label %polly.preload.exec, label %polly.preload.merge
33 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
35 define void @f(i32* %I0, i32* %I1, i32* %V) {
39 for.cond: ; preds = %for.inc, %entry
40 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
41 %exitcond = icmp ne i64 %indvars.iv, 1000
42 br i1 %exitcond, label %for.body, label %for.end
44 for.body: ; preds = %for.cond
45 %loadI1a = load i32, i32* %I0, align 4
46 %arrayidx = getelementptr inbounds i32, i32* %V, i64 %indvars.iv
47 %loadI1a1 = load i32, i32* %arrayidx, align 4
48 %add = add nsw i32 %loadI1a1, %loadI1a
49 store i32 %add, i32* %arrayidx, align 4
50 %loadI0 = load i32, i32* %I0, align 4
51 %loadI0ext = zext i32 %loadI0 to i64
52 %cmp1 = icmp eq i64 %loadI0ext, 0
53 br i1 %cmp1, label %if.then, label %if.end
55 if.then: ; preds = %for.body
56 %loadI1b = load i32, i32* %I1, align 4
57 %arrayidx4 = getelementptr inbounds i32, i32* %V, i64 %indvars.iv
58 %loadI1a4 = load i32, i32* %arrayidx4, align 4
59 %add5 = add nsw i32 %loadI1a4, %loadI1b
60 store i32 %add5, i32* %arrayidx4, align 4
63 if.end: ; preds = %if.then, %for.body
66 for.inc: ; preds = %if.end
67 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
70 for.end: ; preds = %for.cond