File: scatter-vectorize-reused-pointer.ll

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-18
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,908,340 kB
  • sloc: cpp: 6,667,937; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,987; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (52 lines) | stat: -rw-r--r-- 2,487 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=slp-vectorizer < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=skylake -slp-threshold=-14 | FileCheck %s

define void @test(i1 %c, ptr %arg) {
; CHECK-LABEL: @test(
; CHECK-NEXT:    br i1 [[C:%.*]], label [[IF:%.*]], label [[ELSE:%.*]]
; CHECK:       if:
; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <4 x ptr> poison, ptr [[ARG:%.*]], i32 0
; CHECK-NEXT:    [[TMP2:%.*]] = shufflevector <4 x ptr> [[TMP1]], <4 x ptr> poison, <4 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr i8, <4 x ptr> [[TMP2]], <4 x i64> <i64 32, i64 24, i64 8, i64 0>
; CHECK-NEXT:    [[TMP4:%.*]] = call <4 x i64> @llvm.masked.gather.v4i64.v4p0(<4 x ptr> [[TMP3]], i32 8, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i64> poison)
; CHECK-NEXT:    br label [[JOIN:%.*]]
; CHECK:       else:
; CHECK-NEXT:    [[TMP5:%.*]] = insertelement <4 x ptr> poison, ptr [[ARG]], i32 0
; CHECK-NEXT:    [[TMP6:%.*]] = shufflevector <4 x ptr> [[TMP5]], <4 x ptr> poison, <4 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr i8, <4 x ptr> [[TMP6]], <4 x i64> <i64 32, i64 24, i64 8, i64 0>
; CHECK-NEXT:    [[TMP8:%.*]] = call <4 x i64> @llvm.masked.gather.v4i64.v4p0(<4 x ptr> [[TMP7]], i32 8, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i64> poison)
; CHECK-NEXT:    br label [[JOIN]]
; CHECK:       join:
; CHECK-NEXT:    [[TMP9:%.*]] = phi <4 x i64> [ [[TMP4]], [[IF]] ], [ [[TMP8]], [[ELSE]] ]
; CHECK-NEXT:    ret void
;
  br i1 %c, label %if, label %else

if:
  %i2.0 = load i64, ptr %arg, align 8
  %arg2.1 = getelementptr inbounds i8, ptr %arg, i64 8
  %i2.1 = load i64, ptr %arg2.1, align 8
  %arg2.2 = getelementptr inbounds i8, ptr %arg, i64 24
  %i2.2 = load i64, ptr %arg2.2, align 8
  %arg2.3 = getelementptr inbounds i8, ptr %arg, i64 32
  %i2.3 = load i64, ptr %arg2.3, align 8
  br label %join

else:
  %i.0 = load i64, ptr %arg, align 8
  %arg.1 = getelementptr inbounds i8, ptr %arg, i64 8
  %i.1 = load i64, ptr %arg.1, align 8
  %arg.2 = getelementptr inbounds i8, ptr %arg, i64 24
  %i.2 = load i64, ptr %arg.2, align 8
  %arg.3 = getelementptr inbounds i8, ptr %arg, i64 32
  %i.3 = load i64, ptr %arg.3, align 8
  br label %join

join:
  %phi.3 = phi i64 [ %i2.3, %if ], [ %i.3, %else ]
  %phi.2 = phi i64 [ %i2.2, %if ], [ %i.2, %else ]
  %phi.1 = phi i64 [ %i2.1, %if ], [ %i.1, %else ]
  %phi.0 = phi i64 [ %i2.0, %if ], [ %i.0, %else ]
  ret void
}