xref: /llvm-project/llvm/test/Transforms/SLPVectorizer/AArch64/phi-use-order-scalable.ll (revision ebbfdca586d5543c13617b15d0cdf5b7fdc4fd4a)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -passes=slp-vectorizer -S < %s | FileCheck %s
3
4target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
5target triple = "aarch64"
6
7define <vscale x 8 x i32> @scalable(i1 %c, i32 %srcALen, i32 %srcBLen) {
8; CHECK-LABEL: @scalable(
9; CHECK-NEXT:  entry:
10; CHECK-NEXT:    br i1 [[C:%.*]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]]
11; CHECK:       if.then:
12; CHECK-NEXT:    br label [[IF_END12:%.*]]
13; CHECK:       if.else:
14; CHECK-NEXT:    br label [[IF_END12]]
15; CHECK:       if.end12:
16; CHECK-NEXT:    [[SRCALEN_ADDR_0:%.*]] = phi i32 [ [[SRCALEN:%.*]], [[IF_THEN]] ], [ [[SRCBLEN:%.*]], [[IF_ELSE]] ]
17; CHECK-NEXT:    [[SRCBLEN_ADDR_0:%.*]] = phi i32 [ [[SRCBLEN]], [[IF_THEN]] ], [ [[SRCALEN]], [[IF_ELSE]] ]
18; CHECK-NEXT:    [[BROADCAST_SPLATINSERT78:%.*]] = insertelement <vscale x 8 x i32> poison, i32 [[SRCBLEN_ADDR_0]], i64 0
19; CHECK-NEXT:    [[BROADCAST_SPLATINSERT82:%.*]] = insertelement <vscale x 8 x i32> poison, i32 [[SRCALEN_ADDR_0]], i64 0
20; CHECK-NEXT:    [[BROADCAST_SPLAT83:%.*]] = shufflevector <vscale x 8 x i32> [[BROADCAST_SPLATINSERT82]], <vscale x 8 x i32> poison, <vscale x 8 x i32> zeroinitializer
21; CHECK-NEXT:    ret <vscale x 8 x i32> [[BROADCAST_SPLAT83]]
22;
23entry:
24  br i1 %c, label %if.then, label %if.else
25
26if.then:                                          ; preds = %entry
27  br label %if.end12
28
29if.else:                                          ; preds = %entry
30  br label %if.end12
31
32if.end12:                                         ; preds = %if.else, %if.then
33  %srcALen.addr.0 = phi i32 [ %srcALen, %if.then ], [ %srcBLen, %if.else ]
34  %srcBLen.addr.0 = phi i32 [ %srcBLen, %if.then ], [ %srcALen, %if.else ]
35  %broadcast.splatinsert78 = insertelement <vscale x 8 x i32> poison, i32 %srcBLen.addr.0, i64 0
36  %broadcast.splatinsert82 = insertelement <vscale x 8 x i32> poison, i32 %srcALen.addr.0, i64 0
37  %broadcast.splat83 = shufflevector <vscale x 8 x i32> %broadcast.splatinsert82, <vscale x 8 x i32> poison, <vscale x 8 x i32> zeroinitializer
38  ret <vscale x 8 x i32> %broadcast.splat83
39}
40
41define <vscale x 8 x i32> @multiuse(i1 %c, i32 %srcALen, i32 %srcBLen) {
42; CHECK-LABEL: @multiuse(
43; CHECK-NEXT:  entry:
44; CHECK-NEXT:    br i1 [[C:%.*]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]]
45; CHECK:       if.then:
46; CHECK-NEXT:    br label [[IF_END12:%.*]]
47; CHECK:       if.else:
48; CHECK-NEXT:    br label [[IF_END12]]
49; CHECK:       if.end12:
50; CHECK-NEXT:    [[SRCALEN_ADDR_0:%.*]] = phi i32 [ [[SRCALEN:%.*]], [[IF_THEN]] ], [ [[SRCBLEN:%.*]], [[IF_ELSE]] ]
51; CHECK-NEXT:    [[SRCBLEN_ADDR_0:%.*]] = phi i32 [ [[SRCBLEN]], [[IF_THEN]] ], [ [[SRCALEN]], [[IF_ELSE]] ]
52; CHECK-NEXT:    [[BROADCAST_SPLATINSERT78:%.*]] = insertelement <vscale x 8 x i32> poison, i32 [[SRCBLEN_ADDR_0]], i64 0
53; CHECK-NEXT:    [[BROADCAST_SPLATINSERT82:%.*]] = insertelement <vscale x 8 x i32> poison, i32 [[SRCALEN_ADDR_0]], i64 0
54; CHECK-NEXT:    [[BROADCAST_SPLAT83:%.*]] = shufflevector <vscale x 8 x i32> [[BROADCAST_SPLATINSERT82]], <vscale x 8 x i32> poison, <vscale x 8 x i32> zeroinitializer
55; CHECK-NEXT:    [[X:%.*]] = add i32 [[SRCALEN_ADDR_0]], [[SRCBLEN_ADDR_0]]
56; CHECK-NEXT:    [[BROADCAST_SPLAT84:%.*]] = insertelement <vscale x 8 x i32> [[BROADCAST_SPLAT83]], i32 [[SRCBLEN_ADDR_0]], i64 1
57; CHECK-NEXT:    ret <vscale x 8 x i32> [[BROADCAST_SPLAT84]]
58;
59entry:
60  br i1 %c, label %if.then, label %if.else
61
62if.then:                                          ; preds = %entry
63  br label %if.end12
64
65if.else:                                          ; preds = %entry
66  br label %if.end12
67
68if.end12:                                         ; preds = %if.else, %if.then
69  %srcALen.addr.0 = phi i32 [ %srcALen, %if.then ], [ %srcBLen, %if.else ]
70  %srcBLen.addr.0 = phi i32 [ %srcBLen, %if.then ], [ %srcALen, %if.else ]
71  %broadcast.splatinsert78 = insertelement <vscale x 8 x i32> poison, i32 %srcBLen.addr.0, i64 0
72  %broadcast.splatinsert82 = insertelement <vscale x 8 x i32> poison, i32 %srcALen.addr.0, i64 0
73  %broadcast.splat83 = shufflevector <vscale x 8 x i32> %broadcast.splatinsert82, <vscale x 8 x i32> poison, <vscale x 8 x i32> zeroinitializer
74  %x = add i32 %srcALen.addr.0, %srcBLen.addr.0
75  %broadcast.splat84 = insertelement <vscale x 8 x i32> %broadcast.splat83, i32 %srcBLen.addr.0, i64 1
76  ret <vscale x 8 x i32> %broadcast.splat84
77}
78
79