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; RUN: opt %loadPolly -polly-invariant-load-hoisting=true -polly-print-scops -disable-output < %s | FileCheck %s --check-prefix=SCOP
; RUN: opt %loadPolly -S -polly-codegen -polly-invariant-load-hoisting=true %s | FileCheck %s
;
; The offset of the %tmp1 load wrt. to %buff (62 bytes) is not divisible
; by the type size (i32 = 4 bytes), thus we will have to represent %buff
; with a smaller type. In this case i16 is sufficient to represent the
; 62 byte offset accurately.
;
; SCOP: Invariant Accesses: {
; SCOP: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; SCOP: { Stmt_if_end_6[] -> MemRef_buff[o0] : 31 <= o0 <= 32 };
; SCOP: Execution Context: { : }
; SCOP: }
; SCOP: Arrays {
; SCOP: i16 MemRef_buff[*]; // Element size 2
; SCOP: i32 MemRef_key_0; // Element size 4
; SCOP: }
;
; CHECK-LABEL: polly.preload.begin:
; CHECK-NEXT: %polly.access.buff = getelementptr i16, ptr %buff, i64 31
; CHECK-NEXT: %polly.access.buff.load = load i32, ptr %polly.access.buff, align 4
; CHECK-NEXT: store i32 %polly.access.buff.load, ptr %tmp1.preload.s2a
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
; Function Attrs: nounwind uwtable
define void @sudecrypt(ptr %buff) #0 {
entry:
br i1 undef, label %cleanup, label %if.end
if.end: ; preds = %entry
br i1 undef, label %if.end.6, label %if.then.5
if.then.5: ; preds = %if.end
unreachable
if.end.6: ; preds = %if.end
%add.ptr = getelementptr inbounds i8, ptr %buff, i64 62
%tmp1 = load i32, ptr %add.ptr, align 4, !tbaa !1
br i1 false, label %if.then.13, label %switch.early.test
switch.early.test: ; preds = %if.end.6
switch i32 0, label %if.end.16 [
i32 956, label %if.then.13
i32 520, label %if.then.13
]
if.then.13: ; preds = %switch.early.test, %switch.early.test, %if.end.6
br label %if.end.16
if.end.16: ; preds = %if.then.13, %switch.early.test
%key.0 = phi i32 [ undef, %if.then.13 ], [ 0, %switch.early.test ]
br i1 undef, label %if.end.34, label %if.then.19
if.then.19: ; preds = %if.end.16
unreachable
if.end.34: ; preds = %if.end.16
unreachable
cleanup: ; preds = %entry
ret void
}
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" }
!llvm.ident = !{!0}
!0 = !{!"clang version 3.8.0 (trunk 250010) (llvm/trunk 250018)"}
!1 = !{!2, !2, i64 0}
!2 = !{!"int", !3, i64 0}
!3 = !{!"omnipotent char", !4, i64 0}
!4 = !{!"Simple C/C++ TBAA"}
|
