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; RUN: opt %loadPolly -polly-print-scops -polly-invariant-load-hoisting=true -disable-output < %s | FileCheck %s
;
; Verify we do not hoist I[c] without execution context because it
; is executed in a statement with an invalid domain and it depends
; on a parameter that was specialized by the domain.
;
; CHECK: Invariant Accesses: {
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [c] -> { Stmt_if_then[i0] -> MemRef_I[-129] };
; CHECK-NEXT: Execution Context: [c] -> { : false }
; CHECK-NEXT: }
;
; TODO: FIXME: We should remove the statement as it has an empty domain.
; CHECK: Stmt_if_then
; CHECK-NEXT: Domain :=
; CHECK-NEXT: [c] -> { Stmt_if_then[i0] : false };
;
; int I[1024];
; void f(int *A, unsigned char c) {
; for (int i = 0; i < 10; i++)
; if ((signed char)(c + (unsigned char)1) == 127)
; A[i] += I[c];
; else
; A[i] = 0;
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
@I = common global [1024 x i32] zeroinitializer, align 16
define void @f(ptr %A, i8 zeroext %c) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
%exitcond = icmp ne i64 %indvars.iv, 10
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%add = add i8 %c, 1
%cmp3 = icmp eq i8 %add, 128
%arrayidx6 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
br i1 %cmp3, label %if.then, label %if.else
if.then: ; preds = %for.body
%arrayidx = getelementptr inbounds [1024 x i32], ptr @I, i64 0, i8 %c
%tmp = load i32, ptr %arrayidx, align 4
%tmp1 = load i32, ptr %arrayidx6, align 4
%add7 = add nsw i32 %tmp1, %tmp
store i32 %add7, ptr %arrayidx6, align 4
br label %for.inc
if.else: ; preds = %if.then, %for.body
store i32 0, ptr %arrayidx6, align 4
br label %for.inc
for.inc: ; preds = %if.else, if.then
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
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