File: x86-shuffle-sink.ll

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (105 lines) | stat: -rw-r--r-- 3,046 bytes parent folder | download | duplicates (10)
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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
; RUN: opt -S -codegenprepare -mcpu=core-avx2 %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-AVX2
; RUN: opt -S -codegenprepare -mcpu=corei7 %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-SSE2

target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-darwin10.9.0"

define <16 x i8> @test_8bit(<16 x i8> %lhs, <16 x i8> %tmp, i1 %tst) {
; CHECK-LABEL: @test_8bit
; CHECK: if_true:
; CHECK-NOT: shufflevector

; CHECK: if_false:
; CHECK-NOT: shufflevector
; CHECK: shl <16 x i8> %lhs, %mask
  %mask = shufflevector <16 x i8> %tmp, <16 x i8> undef, <16 x i32> zeroinitializer
  br i1 %tst, label %if_true, label %if_false

if_true:
  ret <16 x i8> %mask

if_false:
  %res = shl <16 x i8> %lhs, %mask
  ret <16 x i8> %res
}

define <8 x i16> @test_16bit(<8 x i16> %lhs, <8 x i16> %tmp, i1 %tst) {
; CHECK-LABEL: @test_16bit
; CHECK: if_true:
; CHECK-NOT: shufflevector

; CHECK: if_false:
; CHECK: [[SPLAT:%[0-9a-zA-Z_]+]] = shufflevector
; CHECK: shl <8 x i16> %lhs, [[SPLAT]]
  %mask = shufflevector <8 x i16> %tmp, <8 x i16> undef, <8 x i32> zeroinitializer
  br i1 %tst, label %if_true, label %if_false

if_true:
  ret <8 x i16> %mask

if_false:
  %res = shl <8 x i16> %lhs, %mask
  ret <8 x i16> %res
}

define <4 x i32> @test_notsplat(<4 x i32> %lhs, <4 x i32> %tmp, i1 %tst) {
; CHECK-LABEL: @test_notsplat
; CHECK: if_true:
; CHECK-NOT: shufflevector

; CHECK: if_false:
; CHECK-NOT: shufflevector
; CHECK: shl <4 x i32> %lhs, %mask
  %mask = shufflevector <4 x i32> %tmp, <4 x i32> undef, <4 x i32> <i32 0, i32 1, i32 1, i32 0>
  br i1 %tst, label %if_true, label %if_false

if_true:
  ret <4 x i32> %mask

if_false:
  %res = shl <4 x i32> %lhs, %mask
  ret <4 x i32> %res
}

define <4 x i32> @test_32bit(<4 x i32> %lhs, <4 x i32> %tmp, i1 %tst) {
; CHECK-AVX2-LABEL: @test_32bit
; CHECK-AVX2: if_false:
; CHECK-AVX2-NOT: shufflevector
; CHECK-AVX2: ashr <4 x i32> %lhs, %mask

; CHECK-SSE2-LABEL: @test_32bit
; CHECK-SSE2: if_false:
; CHECK-SSE2: [[SPLAT:%[0-9a-zA-Z_]+]] = shufflevector
; CHECK-SSE2: ashr <4 x i32> %lhs, [[SPLAT]]
  %mask = shufflevector <4 x i32> %tmp, <4 x i32> undef, <4 x i32> <i32 0, i32 undef, i32 0, i32 0>
  br i1 %tst, label %if_true, label %if_false

if_true:
  ret <4 x i32> %mask

if_false:
  %res = ashr <4 x i32> %lhs, %mask
  ret <4 x i32> %res
}

define <2 x i64> @test_64bit(<2 x i64> %lhs, <2 x i64> %tmp, i1 %tst) {
; CHECK-AVX2-LABEL: @test_64bit
; CHECK-AVX2: if_false:
; CHECK-AVX2-NOT: shufflevector
; CHECK-AVX2: lshr <2 x i64> %lhs, %mask

; CHECK-SSE2-LABEL: @test_64bit
; CHECK-SSE2: if_false:
; CHECK-SSE2: [[SPLAT:%[0-9a-zA-Z_]+]] = shufflevector
; CHECK-SSE2: lshr <2 x i64> %lhs, [[SPLAT]]

  %mask = shufflevector <2 x i64> %tmp, <2 x i64> undef, <2 x i32> zeroinitializer
  br i1 %tst, label %if_true, label %if_false

if_true:
  ret <2 x i64> %mask

if_false:
  %res = lshr <2 x i64> %lhs, %mask
  ret <2 x i64> %res
}