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|
; RUN: opt %loadPolly -polly-print-scops -polly-invariant-load-hoisting=true -disable-output < %s | FileCheck %s
;
; Check that we do not consolidate the invariant loads to smp[order - 1] and
; smp[order - 2] in the blocks %0 and %16. While they have the same pointer
; operand (SCEV) they do not have the same access relation due to the
; instantiation of "order" from their domain.
;
; CHECK: Invariant Accesses: {
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [order, n] -> { Stmt_bb1[] -> MemRef_smp[1] };
; CHECK-NEXT: Execution Context: [order, n] -> { : order = 2 }
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [order, n] -> { Stmt_bb1[] -> MemRef_smp[0] };
; CHECK-NEXT: Execution Context: [order, n] -> { : order = 2 }
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [order, n] -> { Stmt_bb16[] -> MemRef_smp[2] };
; CHECK-NEXT: Execution Context: [order, n] -> { : order = 3 }
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [order, n] -> { Stmt_bb16[] -> MemRef_smp[1] };
; CHECK-NEXT: Execution Context: [order, n] -> { : order = 3 }
; CHECK-NEXT: }
;
; ModuleID = '/home/johannes/Downloads/test_case.ll'
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
; Function Attrs: nounwind uwtable
define void @encode_residual_fixed(ptr %res, ptr %smp, i32 %n, i32 %order) {
bb:
br label %.split
.split: ; preds = %bb
switch i32 %order, label %bb32 [
i32 2, label %bb1
i32 3, label %bb16
]
bb1: ; preds = %.split
%tmp = add nsw i32 %order, -1
%tmp2 = sext i32 %tmp to i64
%tmp3 = getelementptr inbounds i32, ptr %smp, i64 %tmp2
%tmp4 = load i32, ptr %tmp3, align 4
%tmp5 = add nsw i32 %order, -2
%tmp6 = sext i32 %tmp5 to i64
%tmp7 = getelementptr inbounds i32, ptr %smp, i64 %tmp6
%tmp8 = load i32, ptr %tmp7, align 4
%tmp9 = sub nsw i32 %tmp4, %tmp8
%tmp10 = icmp slt i32 %order, %n
br i1 %tmp10, label %.lr.ph, label %.loopexit
.lr.ph: ; preds = %bb1
%tmp11 = sext i32 %order to i64
br label %bb12
bb12: ; preds = %bb12, %.lr.ph
%indvars.iv = phi i64 [ %tmp11, %.lr.ph ], [ %indvars.iv.next, %bb12 ]
%i.03 = phi i32 [ %order, %.lr.ph ], [ %tmp14, %bb12 ]
%tmp13 = getelementptr inbounds i32, ptr %res, i64 %indvars.iv
store i32 %tmp9, ptr %tmp13, align 4
%tmp14 = add nsw i32 %i.03, 2
%tmp15 = icmp slt i32 %tmp14, %n
%indvars.iv.next = add nsw i64 %indvars.iv, 2
br i1 %tmp15, label %bb12, label %..loopexit_crit_edge
bb16: ; preds = %.split
%tmp17 = add nsw i32 %order, -1
%tmp18 = sext i32 %tmp17 to i64
%tmp19 = getelementptr inbounds i32, ptr %smp, i64 %tmp18
%tmp20 = load i32, ptr %tmp19, align 4
%tmp21 = add nsw i32 %order, -2
%tmp22 = sext i32 %tmp21 to i64
%tmp23 = getelementptr inbounds i32, ptr %smp, i64 %tmp22
%tmp24 = load i32, ptr %tmp23, align 4
%tmp25 = sub nsw i32 %tmp20, %tmp24
%tmp26 = icmp slt i32 %order, %n
br i1 %tmp26, label %.lr.ph5, label %.loopexit2
.lr.ph5: ; preds = %bb16
%tmp27 = sext i32 %order to i64
br label %bb28
bb28: ; preds = %bb28, %.lr.ph5
%indvars.iv6 = phi i64 [ %tmp27, %.lr.ph5 ], [ %indvars.iv.next7, %bb28 ]
%i.14 = phi i32 [ %order, %.lr.ph5 ], [ %tmp30, %bb28 ]
%tmp29 = getelementptr inbounds i32, ptr %res, i64 %indvars.iv6
store i32 %tmp25, ptr %tmp29, align 4
%tmp30 = add nsw i32 %i.14, 2
%tmp31 = icmp slt i32 %tmp30, %n
%indvars.iv.next7 = add nsw i64 %indvars.iv6, 2
br i1 %tmp31, label %bb28, label %..loopexit2_crit_edge
..loopexit_crit_edge: ; preds = %bb12
br label %.loopexit
.loopexit: ; preds = %..loopexit_crit_edge, %bb1
br label %bb32
..loopexit2_crit_edge: ; preds = %bb28
br label %.loopexit2
.loopexit2: ; preds = %..loopexit2_crit_edge, %bb16
br label %bb32
bb32: ; preds = %.loopexit2, %.loopexit, %.split
%tmp33 = getelementptr inbounds i32, ptr %res, i64 2
%tmp34 = load i32, ptr %tmp33, align 4
%tmp35 = icmp eq i32 %tmp34, 5
br i1 %tmp35, label %bb37, label %bb36
bb36: ; preds = %bb32
ret void
bb37: ; preds = %bb32
ret void
}
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