derek.holloway
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105 lines
3.5 KiB
LLVM
105 lines
3.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
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; RUN: llc -mtriple=aarch64 -verify-machineinstrs -global-isel=0 %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-SD
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; RUN: llc -mtriple=aarch64 -verify-machineinstrs -mattr=-fp-armv8 %s -o - | FileCheck %s --check-prefix=CHECK-NOFP
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define i1 @isfinite_bf16(bfloat %x) {
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; CHECK-LABEL: isfinite_bf16:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: // kill: def $h0 killed $h0 def $s0
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; CHECK-NEXT: fmov w8, s0
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; CHECK-NEXT: ubfx w8, w8, #7, #8
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; CHECK-NEXT: cmp w8, #255
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; CHECK-NEXT: cset w0, lo
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; CHECK-NEXT: ret
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;
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; CHECK-NOFP-LABEL: isfinite_bf16:
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; CHECK-NOFP: // %bb.0: // %entry
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; CHECK-NOFP-NEXT: ubfx w8, w0, #7, #8
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; CHECK-NOFP-NEXT: cmp w8, #255
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; CHECK-NOFP-NEXT: cset w0, lo
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; CHECK-NOFP-NEXT: ret
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entry:
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%0 = tail call i1 @llvm.is.fpclass.bf16(bfloat %x, i32 504) ; 0x1f8 = "finite"
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ret i1 %0
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}
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define i1 @not_isfinite_bf16(bfloat %x) {
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; CHECK-LABEL: not_isfinite_bf16:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: // kill: def $h0 killed $h0 def $s0
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; CHECK-NEXT: fmov w8, s0
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; CHECK-NEXT: ubfx w8, w8, #7, #8
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; CHECK-NEXT: cmp w8, #254
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; CHECK-NEXT: cset w0, hi
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; CHECK-NEXT: ret
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;
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; CHECK-NOFP-LABEL: not_isfinite_bf16:
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; CHECK-NOFP: // %bb.0: // %entry
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; CHECK-NOFP-NEXT: ubfx w8, w0, #7, #8
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; CHECK-NOFP-NEXT: cmp w8, #254
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; CHECK-NOFP-NEXT: cset w0, hi
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; CHECK-NOFP-NEXT: ret
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entry:
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%0 = tail call i1 @llvm.is.fpclass.bf16(bfloat %x, i32 519) ; ~0x1f8 = "~finite"
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ret i1 %0
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}
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define <4 x i1> @isfinite_v4bf16(<4 x bfloat> %x) {
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; CHECK-LABEL: isfinite_v4bf16:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: movi d1, #0xff00ff00ff00ff00
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; CHECK-NEXT: add v0.4h, v0.4h, v0.4h
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; CHECK-NEXT: cmhi v0.4h, v1.4h, v0.4h
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; CHECK-NEXT: ret
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;
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; CHECK-NOFP-LABEL: isfinite_v4bf16:
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; CHECK-NOFP: // %bb.0: // %entry
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; CHECK-NOFP-NEXT: ubfx w8, w0, #7, #8
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; CHECK-NOFP-NEXT: ubfx w9, w1, #7, #8
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; CHECK-NOFP-NEXT: cmp w8, #255
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; CHECK-NOFP-NEXT: ubfx w8, w2, #7, #8
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; CHECK-NOFP-NEXT: cset w0, lo
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; CHECK-NOFP-NEXT: cmp w9, #255
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; CHECK-NOFP-NEXT: ubfx w9, w3, #7, #8
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; CHECK-NOFP-NEXT: cset w1, lo
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; CHECK-NOFP-NEXT: cmp w8, #255
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; CHECK-NOFP-NEXT: cset w2, lo
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; CHECK-NOFP-NEXT: cmp w9, #255
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; CHECK-NOFP-NEXT: cset w3, lo
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; CHECK-NOFP-NEXT: ret
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entry:
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%0 = tail call <4 x i1> @llvm.is.fpclass.v4bf16(<4 x bfloat> %x, i32 504) ; 0x1f8 = "finite"
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ret <4 x i1> %0
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}
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define <4 x i1> @not_isfinite_v4bf16(<4 x bfloat> %x) {
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; CHECK-LABEL: not_isfinite_v4bf16:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: movi d1, #0xff00ff00ff00ff00
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; CHECK-NEXT: add v0.4h, v0.4h, v0.4h
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; CHECK-NEXT: cmhs v0.4h, v0.4h, v1.4h
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; CHECK-NEXT: ret
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;
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; CHECK-NOFP-LABEL: not_isfinite_v4bf16:
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; CHECK-NOFP: // %bb.0: // %entry
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; CHECK-NOFP-NEXT: ubfx w8, w0, #7, #8
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; CHECK-NOFP-NEXT: ubfx w9, w1, #7, #8
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; CHECK-NOFP-NEXT: cmp w8, #254
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; CHECK-NOFP-NEXT: ubfx w8, w2, #7, #8
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; CHECK-NOFP-NEXT: cset w0, hi
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; CHECK-NOFP-NEXT: cmp w9, #254
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; CHECK-NOFP-NEXT: ubfx w9, w3, #7, #8
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; CHECK-NOFP-NEXT: cset w1, hi
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; CHECK-NOFP-NEXT: cmp w8, #254
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; CHECK-NOFP-NEXT: cset w2, hi
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; CHECK-NOFP-NEXT: cmp w9, #254
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; CHECK-NOFP-NEXT: cset w3, hi
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; CHECK-NOFP-NEXT: ret
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entry:
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%0 = tail call <4 x i1> @llvm.is.fpclass.v4bf16(<4 x bfloat> %x, i32 519) ; ~0x1f8 = "~finite"
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ret <4 x i1> %0
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}
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;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
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; CHECK-SD: {{.*}}
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