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|
; RUN: opt %loadPolly -polly-stmt-granularity=scalar-indep -polly-print-instructions -polly-print-scops -disable-output < %s | FileCheck %s -match-full-lines
;
; Split a block into two independent statements that share no scalar.
; This case has an independent statement just for PHI writes.
;
; for (int j = 0; j < n; j += 1) {
; bodyA:
; double valA = A[0];
; A[0] = valA;
;
; bodyB:
; phi = 42.0;
; }
;
define void @func(i32 %n, ptr noalias nonnull %A) {
entry:
br label %for
for:
%j = phi i32 [0, %entry], [%j.inc, %inc]
%j.cmp = icmp slt i32 %j, %n
br i1 %j.cmp, label %bodyA, label %exit
bodyA:
%valA = load double, ptr %A
store double %valA, ptr %A
br label %bodyB
bodyB:
%phi = phi double [42.0, %bodyA]
br label %inc
inc:
%j.inc = add nuw nsw i32 %j, 1
br label %for
exit:
br label %return
return:
ret void
}
; CHECK: Statements {
; CHECK-NEXT: Stmt_bodyA
; CHECK-NEXT: Domain :=
; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] : 0 <= i0 < n };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> [i0, 0] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_A[0] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_A[0] };
; CHECK-NEXT: Instructions {
; CHECK-NEXT: %valA = load double, ptr %A, align 8
; CHECK-NEXT: store double %valA, ptr %A, align 8
; CHECK-NEXT: }
; CHECK-NEXT: Stmt_bodyA_last
; CHECK-NEXT: Domain :=
; CHECK-NEXT: [n] -> { Stmt_bodyA_last[i0] : 0 <= i0 < n };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: [n] -> { Stmt_bodyA_last[i0] -> [i0, 1] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: [n] -> { Stmt_bodyA_last[i0] -> MemRef_phi__phi[] };
; CHECK-NEXT: Instructions {
; CHECK-NEXT: }
; CHECK-NEXT: }
|
