error-blocks-2.ll
3.08 KB
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; RUN: opt %loadPolly -polly-scops -analyze \
; RUN: -polly-invariant-load-hoisting=true < %s | FileCheck %s
;
; CHECK: Invariant Accesses: {
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [N, valid_val] -> { Stmt_for_body[i0] -> MemRef_valid[0] };
; CHECK-NEXT: Execution Context: [N, valid_val] -> { : N > 0 }
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [N, valid_val] -> { Stmt_S[i0] -> MemRef_ptr_addr[0] };
; CHECK-NEXT: Execution Context: [N, valid_val] -> { : }
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [N, valid_val] -> { Stmt_S[i0] -> MemRef_tmp2[0] };
; CHECK-NEXT: Execution Context: [N, valid_val] -> { : N > 0 and (valid_val < 0 or valid_val > 0) }
; CHECK-NEXT: }
; CHECK-NEXT: Context:
; CHECK-NEXT: [N, valid_val] -> { : -2147483648 <= N <= 2147483647 and -2147483648 <= valid_val <= 2147483647 }
; CHECK-NEXT: Assumed Context:
; CHECK-NEXT: [N, valid_val] -> { : }
; CHECK-NEXT: Invalid Context:
; CHECK-NEXT: [N, valid_val] -> { : valid_val = 0 and N > 0 }
;
; CHECK: Statements {
; CHECK-NEXT: Stmt_S
; CHECK-NEXT: Domain :=
; CHECK-NEXT: [N, valid_val] -> { Stmt_S[i0] : 0 <= i0 < N };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: [N, valid_val] -> { Stmt_S[i0] -> [i0] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [N, valid_val] -> { Stmt_S[i0] -> MemRef_A[i0] };
; CHECK-NEXT: }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(i32 %N, i32* noalias %valid, i32* noalias %ptr, i32* noalias %A) {
entry:
%ptr.addr = alloca i32*, align 8
store i32* %ptr, i32** %ptr.addr, align 8
%tmp = sext i32 %N to i64
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
%cmp = icmp slt i64 %indvars.iv, %tmp
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%valid_val = load i32, i32* %valid, align 4
%cmp1 = icmp eq i32 %valid_val, 0
br i1 %cmp1, label %if.then, label %if.end
if.then: ; preds = %for.body
call void @doSth(i32** nonnull %ptr.addr)
br label %if.end
if.end: ; preds = %if.then, %for.body
br label %S
S: ; preds = %if.end
%tmp2 = load i32*, i32** %ptr.addr, align 8
%tmp3 = load i32, i32* %tmp2, align 4
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
store i32 %tmp3, i32* %arrayidx, align 4
br label %for.inc
for.inc: ; preds = %S
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
declare void @doSth(i32**)