mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 11:13:28 +01:00
09d4df00f3
Bfloat type has an 8-bit exponent so the exponent of NaN/Inf numbers must be 0xff instead of 0x1f. This is probably a copy-paste mistake from the half float type. Reviewed By: lattner Differential Revision: https://reviews.llvm.org/D81302
63 lines
1.4 KiB
LLVM
63 lines
1.4 KiB
LLVM
; RUN: llvm-as < %s | llvm-dis | FileCheck %s --check-prefix=ASSEM-DISASS
|
|
; RUN: opt < %s -O3 -S | FileCheck %s --check-prefix=OPT
|
|
; RUN: verify-uselistorder %s
|
|
; Basic smoke tests for bfloat type.
|
|
|
|
define bfloat @check_bfloat(bfloat %A) {
|
|
; ASSEM-DISASS: ret bfloat %A
|
|
ret bfloat %A
|
|
}
|
|
|
|
define bfloat @check_bfloat_literal() {
|
|
; ASSEM-DISASS: ret bfloat 0xR3149
|
|
ret bfloat 0xR3149
|
|
}
|
|
|
|
define <4 x bfloat> @check_fixed_vector() {
|
|
; ASSEM-DISASS: ret <4 x bfloat> %tmp
|
|
%tmp = fadd <4 x bfloat> undef, undef
|
|
ret <4 x bfloat> %tmp
|
|
}
|
|
|
|
define <vscale x 4 x bfloat> @check_vector() {
|
|
; ASSEM-DISASS: ret <vscale x 4 x bfloat> %tmp
|
|
%tmp = fadd <vscale x 4 x bfloat> undef, undef
|
|
ret <vscale x 4 x bfloat> %tmp
|
|
}
|
|
|
|
define bfloat @check_bfloat_constprop() {
|
|
%tmp = fadd bfloat 0xR40C0, 0xR40C0
|
|
; OPT: 0xR4140
|
|
ret bfloat %tmp
|
|
}
|
|
|
|
define float @check_bfloat_convert() {
|
|
%tmp = fpext bfloat 0xR4C8D to float
|
|
; OPT: 0x4191A00000000000
|
|
ret float %tmp
|
|
}
|
|
|
|
; ASSEM-DISASS-LABEL @snan_bfloat
|
|
define bfloat @snan_bfloat() {
|
|
; ASSEM-DISASS: ret bfloat 0xR7F81
|
|
ret bfloat 0xR7F81
|
|
}
|
|
|
|
; ASSEM-DISASS-LABEL @qnan_bfloat
|
|
define bfloat @qnan_bfloat() {
|
|
; ASSEM-DISASS: ret bfloat 0xR7FC0
|
|
ret bfloat 0xR7FC0
|
|
}
|
|
|
|
; ASSEM-DISASS-LABEL @pos_inf_bfloat
|
|
define bfloat @pos_inf_bfloat() {
|
|
; ASSEM-DISASS: ret bfloat 0xR7F80
|
|
ret bfloat 0xR7F80
|
|
}
|
|
|
|
; ASSEM-DISASS-LABEL @neg_inf_bfloat
|
|
define bfloat @neg_inf_bfloat() {
|
|
; ASSEM-DISASS: ret bfloat 0xRFF80
|
|
ret bfloat 0xRFF80
|
|
}
|