blob: 244c3f7c2a96afdde3955cf080b165a565c6f01c (
plain)
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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 < %s | FileCheck %s
define i32 @known_positive(float nofpclass(nan ninf nzero nsub nnorm) %signbit.zero) #0 {
; CHECK-LABEL: known_positive:
; CHECK: ; %bb.0:
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CHECK-NEXT: s_setpc_b64 s[30:31]
%cast = bitcast float %signbit.zero to i32
%and = and i32 %cast, 2147483647
ret i32 %and
}
define i32 @known_positive_maybe_nan(float nofpclass(ninf nzero nsub nnorm) %signbit.zero) #0 {
; CHECK-LABEL: known_positive_maybe_nan:
; CHECK: ; %bb.0:
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CHECK-NEXT: v_and_b32_e32 v0, 0x7fffffff, v0
; CHECK-NEXT: s_setpc_b64 s[30:31]
%cast = bitcast float %signbit.zero to i32
%and = and i32 %cast, 2147483647
ret i32 %and
}
define i32 @known_negative(float nofpclass(nan pinf pzero psub pnorm) %signbit.one) #0 {
; CHECK-LABEL: known_negative:
; CHECK: ; %bb.0:
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CHECK-NEXT: s_setpc_b64 s[30:31]
%cast = bitcast float %signbit.one to i32
%or = or i32 %cast, -2147483648
ret i32 %or
}
define i32 @known_negative_maybe_nan(float nofpclass(pinf pzero psub pnorm) %signbit.one) #0 {
; CHECK-LABEL: known_negative_maybe_nan:
; CHECK: ; %bb.0:
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CHECK-NEXT: v_or_b32_e32 v0, 0x80000000, v0
; CHECK-NEXT: s_setpc_b64 s[30:31]
%cast = bitcast float %signbit.one to i32
%or = or i32 %cast, -2147483648
ret i32 %or
}
attributes #0 = { nounwind }
|
