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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
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; RUN: opt < %s -O3 -S | FileCheck %s --check-prefix=OPT
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; RUN: verify-uselistorder %s
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; Basic smoke tests for bfloat type.
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define bfloat @check_bfloat(bfloat %A) {
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; ASSEM-DISASS: ret bfloat %A
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ret bfloat %A
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}
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define bfloat @check_bfloat_literal() {
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; ASSEM-DISASS: ret bfloat 0xR3149
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ret bfloat 0xR3149
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}
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define <4 x bfloat> @check_fixed_vector() {
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; ASSEM-DISASS: ret <4 x bfloat> %tmp
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%tmp = fadd <4 x bfloat> undef, undef
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ret <4 x bfloat> %tmp
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}
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define <vscale x 4 x bfloat> @check_vector() {
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; ASSEM-DISASS: ret <vscale x 4 x bfloat> %tmp
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%tmp = fadd <vscale x 4 x bfloat> undef, undef
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ret <vscale x 4 x bfloat> %tmp
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}
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define bfloat @check_bfloat_constprop() {
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%tmp = fadd bfloat 0xR40C0, 0xR40C0
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; OPT: 0xR4140
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ret bfloat %tmp
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}
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define float @check_bfloat_convert() {
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%tmp = fpext bfloat 0xR4C8D to float
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; OPT: 0x4191A00000000000
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ret float %tmp
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}
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; ASSEM-DISASS-LABEL @snan_bfloat
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define bfloat @snan_bfloat() {
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; ASSEM-DISASS: ret bfloat 0xR7F81
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ret bfloat 0xR7F81
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}
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; ASSEM-DISASS-LABEL @qnan_bfloat
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define bfloat @qnan_bfloat() {
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; ASSEM-DISASS: ret bfloat 0xR7FC0
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ret bfloat 0xR7FC0
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}
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; ASSEM-DISASS-LABEL @pos_inf_bfloat
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define bfloat @pos_inf_bfloat() {
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; ASSEM-DISASS: ret bfloat 0xR7F80
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ret bfloat 0xR7F80
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}
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; ASSEM-DISASS-LABEL @neg_inf_bfloat
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define bfloat @neg_inf_bfloat() {
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; ASSEM-DISASS: ret bfloat 0xRFF80
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ret bfloat 0xRFF80
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}
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