llvm-project/polly/test/ScopInfo/phi-in-non-affine-region.ll

62 lines
2.2 KiB
LLVM

; RUN: opt %loadPolly -analyze -polly-scops < %s | FileCheck %s
; Verify that 'tmp' is stored in bb1 and read by bb3, as it is needed as
; incoming value for the tmp11 PHI node.
; CHECK: Stmt_bb1
; CHECK-NEXT: Domain :=
; CHECK-NEXT: { Stmt_bb1[] };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: { Stmt_bb1[] -> [0] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: { Stmt_bb1[] -> MemRef_global[0] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_bb1[] -> MemRef_tmp[] };
; CHECK-NEXT: Stmt_bb3__TO__bb10
; CHECK-NEXT: Domain :=
; CHECK-NEXT: { Stmt_bb3__TO__bb10[] };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: { Stmt_bb3__TO__bb10[] -> [1] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_bb3__TO__bb10[] -> MemRef_tmp[] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_bb3__TO__bb10[] -> MemRef_tmp11[] };
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
%struct.hoge = type { double, double, i8, i8, i8 }
@global = external local_unnamed_addr global %struct.hoge, align 8
define void @widget() local_unnamed_addr {
bb:
br label %bb1
bb1: ; preds = %bb
%tmp = load double, double* getelementptr inbounds (%struct.hoge, %struct.hoge* @global, i64 0, i32 0), align 8
br i1 false, label %bb3, label %bb2
bb2: ; preds = %bb1
br label %bb3
bb3: ; preds = %bb2, %bb1
br i1 false, label %bb8, label %bb4
bb4: ; preds = %bb3
br label %bb5
bb5: ; preds = %bb4
%tmp6 = and i32 undef, 16711680
%tmp7 = icmp eq i32 %tmp6, 0
br i1 %tmp7, label %bb8, label %bb10
bb8: ; preds = %bb5, %bb3
%tmp9 = phi double [ %tmp, %bb3 ], [ undef, %bb5 ]
br label %bb10
bb10: ; preds = %bb8, %bb5
%tmp11 = phi double [ undef, %bb5 ], [ %tmp9, %bb8 ]
ret void
}