File: smul_fix_sat_constants.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (96 lines) | stat: -rw-r--r-- 3,524 bytes parent folder | download | duplicates (7)
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s --check-prefix=X64

; Verify expansion by using constant values. We just want to cover all the paths layed out by ExpandIntRes_MULFIX.

declare  i4  @llvm.smul.fix.sat.i4   (i4,  i4, i32)
declare  i32 @llvm.smul.fix.sat.i32  (i32, i32, i32)
declare  i64 @llvm.smul.fix.sat.i64  (i64, i64, i32)
declare  <4 x i32> @llvm.smul.fix.sat.v4i32(<4 x i32>, <4 x i32>, i32)
declare { i64, i1 } @llvm.smul.with.overflow.i64(i64, i64)

define i64 @func() nounwind {
; X64-LABEL: func:
; X64:       # %bb.0:
; X64-NEXT:    movl $2, %ecx
; X64-NEXT:    movl $3, %eax
; X64-NEXT:    imulq %rcx
; X64-NEXT:    cmpq $2, %rdx
; X64-NEXT:    movabsq $9223372036854775807, %rax # imm = 0x7FFFFFFFFFFFFFFF
; X64-NEXT:    movl $1, %ecx
; X64-NEXT:    cmovgeq %rax, %rcx
; X64-NEXT:    cmpq $-2, %rdx
; X64-NEXT:    movabsq $-9223372036854775808, %rax # imm = 0x8000000000000000
; X64-NEXT:    cmovgeq %rcx, %rax
; X64-NEXT:    retq
  %tmp = call i64 @llvm.smul.fix.sat.i64(i64 3, i64 2, i32 2)
  ret i64 %tmp
}

define i64 @func2() nounwind {
; X64-LABEL: func2:
; X64:       # %bb.0:
; X64-NEXT:    movl $3, %eax
; X64-NEXT:    imulq $2, %rax, %rcx
; X64-NEXT:    movabsq $9223372036854775807, %rax # imm = 0x7FFFFFFFFFFFFFFF
; X64-NEXT:    cmovnoq %rcx, %rax
; X64-NEXT:    retq
  %tmp = call i64 @llvm.smul.fix.sat.i64(i64 3, i64 2, i32 0)
  ret i64 %tmp
}

define i64 @func3() nounwind {
; X64-LABEL: func3:
; X64:       # %bb.0:
; X64-NEXT:    movabsq $9223372036854775807, %rcx # imm = 0x7FFFFFFFFFFFFFFF
; X64-NEXT:    movl $2, %edx
; X64-NEXT:    movq %rcx, %rax
; X64-NEXT:    imulq %rdx
; X64-NEXT:    cmpq $2, %rdx
; X64-NEXT:    movabsq $4611686018427387903, %rsi # imm = 0x3FFFFFFFFFFFFFFF
; X64-NEXT:    cmovgeq %rcx, %rsi
; X64-NEXT:    cmpq $-2, %rdx
; X64-NEXT:    movabsq $-9223372036854775808, %rax # imm = 0x8000000000000000
; X64-NEXT:    cmovgeq %rsi, %rax
; X64-NEXT:    retq
  %tmp = call i64 @llvm.smul.fix.sat.i64(i64 9223372036854775807, i64 2, i32 2)
  ret i64 %tmp
}

define i64 @func4() nounwind {
; X64-LABEL: func4:
; X64:       # %bb.0:
; X64-NEXT:    movabsq $9223372036854775807, %rcx # imm = 0x7FFFFFFFFFFFFFFF
; X64-NEXT:    movl $2, %edx
; X64-NEXT:    movq %rcx, %rax
; X64-NEXT:    imulq %rdx
; X64-NEXT:    cmpq $2147483647, %rdx # imm = 0x7FFFFFFF
; X64-NEXT:    movl $4294967295, %esi # imm = 0xFFFFFFFF
; X64-NEXT:    cmovgq %rcx, %rsi
; X64-NEXT:    cmpq $-2147483648, %rdx # imm = 0x80000000
; X64-NEXT:    movabsq $-9223372036854775808, %rax # imm = 0x8000000000000000
; X64-NEXT:    cmovgeq %rsi, %rax
; X64-NEXT:    retq
  %tmp = call i64 @llvm.smul.fix.sat.i64(i64 9223372036854775807, i64 2, i32 32)
  ret i64 %tmp
}

define i64 @func5() nounwind {
; X64-LABEL: func5:
; X64:       # %bb.0:
; X64-NEXT:    movabsq $9223372036854775807, %rcx # imm = 0x7FFFFFFFFFFFFFFF
; X64-NEXT:    movl $2, %edx
; X64-NEXT:    movq %rcx, %rax
; X64-NEXT:    imulq %rdx
; X64-NEXT:    movabsq $4611686018427387903, %rax # imm = 0x3FFFFFFFFFFFFFFF
; X64-NEXT:    cmpq %rax, %rdx
; X64-NEXT:    movl $1, %esi
; X64-NEXT:    cmovgq %rcx, %rsi
; X64-NEXT:    movabsq $-4611686018427387904, %rax # imm = 0xC000000000000000
; X64-NEXT:    cmpq %rax, %rdx
; X64-NEXT:    movabsq $-9223372036854775808, %rax # imm = 0x8000000000000000
; X64-NEXT:    cmovgeq %rsi, %rax
; X64-NEXT:    retq
  %tmp = call i64 @llvm.smul.fix.sat.i64(i64 9223372036854775807, i64 2, i32 63)
  ret i64 %tmp
}