You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
2.0 KiB
69 lines
2.0 KiB
; RUN: opt %loadPolly -polly-stmt-granularity=scalar-indep -polly-print-instructions -polly-scops -analyze < %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, double* 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, double* %A
|
|
store double %valA, double* %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, double* %A, align 8
|
|
; CHECK-NEXT: store double %valA, double* %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: }
|