forked from OSchip/llvm-project
127 lines
5.8 KiB
LLVM
127 lines
5.8 KiB
LLVM
; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-flatten-schedule -polly-delicm-overapproximate-writes=true -polly-delicm-compute-known=true -polly-delicm -analyze < %s | FileCheck %s
|
|
; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-flatten-schedule -polly-delicm-partial-writes=true -polly-delicm-compute-known=true -polly-delicm -analyze < %s | FileCheck -check-prefix=PARTIAL %s
|
|
;
|
|
; void func(double *A) {
|
|
; for (int j = 0; j < 2; j += 1) { /* outer */
|
|
; double phi = 0.0;
|
|
; for (int i = 0; i < 4; i += 1) { /* reduction */
|
|
; phi += 4.2;
|
|
; A[j] = phi;
|
|
; }
|
|
; }
|
|
; }
|
|
;
|
|
define void @func(double* noalias nonnull %A) {
|
|
entry:
|
|
br label %outer.preheader
|
|
|
|
outer.preheader:
|
|
br label %outer.for
|
|
|
|
outer.for:
|
|
%j = phi i32 [0, %outer.preheader], [%j.inc, %outer.inc]
|
|
%j.cmp = icmp slt i32 %j, 2
|
|
br i1 %j.cmp, label %reduction.preheader, label %outer.exit
|
|
|
|
|
|
reduction.preheader:
|
|
br label %reduction.for
|
|
|
|
reduction.for:
|
|
%i = phi i32 [0, %reduction.preheader], [%i.inc, %reduction.inc]
|
|
%phi = phi double [0.0, %reduction.preheader], [%add, %reduction.inc]
|
|
br label %body
|
|
|
|
|
|
|
|
body:
|
|
%add = fadd double %phi, 4.2
|
|
%A_idx = getelementptr inbounds double, double* %A, i32 %j
|
|
store double %add, double* %A_idx
|
|
br label %reduction.inc
|
|
|
|
|
|
|
|
reduction.inc:
|
|
%i.inc = add nuw nsw i32 %i, 1
|
|
%i.cmp = icmp slt i32 %i.inc, 4
|
|
br i1 %i.cmp, label %reduction.for, label %reduction.exit
|
|
|
|
reduction.exit:
|
|
br label %outer.inc
|
|
|
|
|
|
|
|
outer.inc:
|
|
%j.inc = add nuw nsw i32 %j, 1
|
|
br label %outer.for
|
|
|
|
outer.exit:
|
|
br label %return
|
|
|
|
return:
|
|
ret void
|
|
}
|
|
|
|
|
|
; CHECK: After accesses {
|
|
; CHECK-NEXT: Stmt_reduction_preheader
|
|
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; CHECK-NEXT: { Stmt_reduction_preheader[i0] -> MemRef_phi__phi[] };
|
|
; CHECK-NEXT: new: { Stmt_reduction_preheader[i0] -> MemRef_A[i0] };
|
|
; CHECK-NEXT: Stmt_reduction_for
|
|
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; CHECK-NEXT: { Stmt_reduction_for[i0, i1] -> MemRef_phi__phi[] };
|
|
; CHECK-NEXT: new: { Stmt_reduction_for[i0, i1] -> MemRef_A[i0] };
|
|
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; CHECK-NEXT: { Stmt_reduction_for[i0, i1] -> MemRef_phi[] };
|
|
; CHECK-NEXT: new: { Stmt_reduction_for[i0, i1] -> MemRef_A[i0] };
|
|
; CHECK-NEXT: Stmt_body
|
|
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; CHECK-NEXT: { Stmt_body[i0, i1] -> MemRef_add[] };
|
|
; CHECK-NEXT: new: { Stmt_body[i0, i1] -> MemRef_A[i0] };
|
|
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; CHECK-NEXT: { Stmt_body[i0, i1] -> MemRef_phi[] };
|
|
; CHECK-NEXT: new: { Stmt_body[i0, i1] -> MemRef_A[i0] : 3i1 <= 21 - 13i0; Stmt_body[1, 3] -> MemRef_A[1] };
|
|
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
|
|
; CHECK-NEXT: { Stmt_body[i0, i1] -> MemRef_A[i0] };
|
|
; CHECK-NEXT: Stmt_reduction_inc
|
|
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; CHECK-NEXT: { Stmt_reduction_inc[i0, i1] -> MemRef_add[] };
|
|
; CHECK-NEXT: new: { Stmt_reduction_inc[i0, i1] -> MemRef_A[i0] : 3i1 <= 21 - 13i0; Stmt_reduction_inc[1, 3] -> MemRef_A[1] };
|
|
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; CHECK-NEXT: { Stmt_reduction_inc[i0, i1] -> MemRef_phi__phi[] };
|
|
; CHECK-NEXT: new: { Stmt_reduction_inc[i0, i1] -> MemRef_A[i0] };
|
|
; CHECK-NEXT: }
|
|
|
|
|
|
; PARTIAL: After accesses {
|
|
; PARTIAL-NEXT: Stmt_reduction_preheader
|
|
; PARTIAL-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; PARTIAL-NEXT: { Stmt_reduction_preheader[i0] -> MemRef_phi__phi[] };
|
|
; PARTIAL-NEXT: new: { Stmt_reduction_preheader[i0] -> MemRef_A[i0] };
|
|
; PARTIAL-NEXT: Stmt_reduction_for
|
|
; PARTIAL-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; PARTIAL-NEXT: { Stmt_reduction_for[i0, i1] -> MemRef_phi__phi[] };
|
|
; PARTIAL-NEXT: new: { Stmt_reduction_for[i0, i1] -> MemRef_A[i0] };
|
|
; PARTIAL-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; PARTIAL-NEXT: { Stmt_reduction_for[i0, i1] -> MemRef_phi[] };
|
|
; PARTIAL-NEXT: new: { Stmt_reduction_for[i0, i1] -> MemRef_A[i0] };
|
|
; PARTIAL-NEXT: Stmt_body
|
|
; PARTIAL-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; PARTIAL-NEXT: { Stmt_body[i0, i1] -> MemRef_add[] };
|
|
; PARTIAL-NEXT: new: { Stmt_body[i0, i1] -> MemRef_A[i0] };
|
|
; PARTIAL-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; PARTIAL-NEXT: { Stmt_body[i0, i1] -> MemRef_phi[] };
|
|
; PARTIAL-NEXT: new: { Stmt_body[i0, i1] -> MemRef_A[i0] : 3i1 <= 21 - 13i0; Stmt_body[1, 3] -> MemRef_A[1] };
|
|
; PARTIAL-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
|
|
; PARTIAL-NEXT: { Stmt_body[i0, i1] -> MemRef_A[i0] };
|
|
; PARTIAL-NEXT: Stmt_reduction_inc
|
|
; PARTIAL-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; PARTIAL-NEXT: { Stmt_reduction_inc[i0, i1] -> MemRef_add[] };
|
|
; PARTIAL-NEXT: new: { Stmt_reduction_inc[i0, i1] -> MemRef_A[i0] : 3i1 <= 21 - 13i0; Stmt_reduction_inc[1, 3] -> MemRef_A[1] };
|
|
; PARTIAL-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; PARTIAL-NEXT: { Stmt_reduction_inc[i0, i1] -> MemRef_phi__phi[] };
|
|
; PARTIAL-NEXT: new: { Stmt_reduction_inc[i0, i1] -> MemRef_A[i0] : i1 <= 2 };
|
|
; PARTIAL-NEXT: }
|