1 ; RUN: opt %loadPolly -polly-invariant-load-hoisting=true -polly-print-scops -disable-output < %s | FileCheck %s --check-prefix=SCOP
2 ; RUN: opt %loadPolly -S -polly-codegen -polly-invariant-load-hoisting=true %s | FileCheck %s
4 ; The offset of the %tmp1 load wrt. to %buff (62 bytes) is not divisible
5 ; by the type size (i32 = 4 bytes), thus we will have to represent %buff
6 ; with a smaller type. In this case i16 is sufficient to represent the
7 ; 62 byte offset accurately.
9 ; SCOP: Invariant Accesses: {
10 ; SCOP: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
11 ; SCOP: { Stmt_if_end_6[] -> MemRef_buff[o0] : 31 <= o0 <= 32 };
12 ; SCOP: Execution Context: { : }
15 ; SCOP: i16 MemRef_buff[*]; // Element size 2
16 ; SCOP: i32 MemRef_key_0; // Element size 4
19 ; CHECK-LABEL: polly.preload.begin:
20 ; CHECK-NEXT: %polly.access.buff = getelementptr i16, ptr %buff, i64 31
21 ; CHECK-NEXT: %polly.access.buff.load = load i32, ptr %polly.access.buff, align 4
22 ; CHECK-NEXT: store i32 %polly.access.buff.load, ptr %tmp1.preload.s2a
24 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
26 ; Function Attrs: nounwind uwtable
27 define void @sudecrypt(ptr %buff) #0 {
29 br i1 undef, label %cleanup, label %if.end
31 if.end: ; preds = %entry
32 br i1 undef, label %if.end.6, label %if.then.5
34 if.then.5: ; preds = %if.end
37 if.end.6: ; preds = %if.end
38 %add.ptr = getelementptr inbounds i8, ptr %buff, i64 62
39 %tmp1 = load i32, ptr %add.ptr, align 4, !tbaa !1
40 br i1 false, label %if.then.13, label %switch.early.test
42 switch.early.test: ; preds = %if.end.6
43 switch i32 0, label %if.end.16 [
44 i32 956, label %if.then.13
45 i32 520, label %if.then.13
48 if.then.13: ; preds = %switch.early.test, %switch.early.test, %if.end.6
51 if.end.16: ; preds = %if.then.13, %switch.early.test
52 %key.0 = phi i32 [ undef, %if.then.13 ], [ 0, %switch.early.test ]
53 br i1 undef, label %if.end.34, label %if.then.19
55 if.then.19: ; preds = %if.end.16
58 if.end.34: ; preds = %if.end.16
61 cleanup: ; preds = %entry
65 attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
69 !0 = !{!"clang version 3.8.0 (trunk 250010) (llvm/trunk 250018)"}
71 !2 = !{!"int", !3, i64 0}
72 !3 = !{!"omnipotent char", !4, i64 0}
73 !4 = !{!"Simple C/C++ TBAA"}