034a27e688
This patch recognizes f16 immediates as legal and adds the necessary patterns. This allows the fadda folding introduced in 05d424d16563 to be applied to the f16 cases. Differential Revision: https://reviews.llvm.org/D129989
134 lines
3.7 KiB
LLVM
134 lines
3.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc < %s -mtriple=aarch64-none-eabi -mattr=+fullfp16,+no-zcz-fp | FileCheck %s --check-prefixes=CHECK-FP16,CHECK-NOZCZ
|
|
; RUN: llc < %s -mtriple=aarch64-none-eabi -mattr=+fullfp16,+zcz | FileCheck %s --check-prefixes=CHECK-FP16,CHECK-ZCZ
|
|
; RUN: llc < %s -mtriple=aarch64-none-eabi -mattr=-fullfp16 | FileCheck %s --check-prefixes=CHECK-NOFP16
|
|
|
|
define half @Const0() {
|
|
; CHECK-NOZCZ-LABEL: Const0:
|
|
; CHECK-NOZCZ: // %bb.0: // %entry
|
|
; CHECK-NOZCZ-NEXT: fmov h0, wzr
|
|
; CHECK-NOZCZ-NEXT: ret
|
|
;
|
|
; CHECK-ZCZ-LABEL: Const0:
|
|
; CHECK-ZCZ: // %bb.0: // %entry
|
|
; CHECK-ZCZ-NEXT: movi d0, #0000000000000000
|
|
; CHECK-ZCZ-NEXT: ret
|
|
;
|
|
; CHECK-NOFP16-LABEL: Const0:
|
|
; CHECK-NOFP16: // %bb.0: // %entry
|
|
; CHECK-NOFP16-NEXT: adrp x8, .LCPI0_0
|
|
; CHECK-NOFP16-NEXT: ldr h0, [x8, :lo12:.LCPI0_0]
|
|
; CHECK-NOFP16-NEXT: ret
|
|
entry:
|
|
ret half 0xH0000
|
|
}
|
|
|
|
define half @Const1() {
|
|
; CHECK-FP16-LABEL: Const1:
|
|
; CHECK-FP16: // %bb.0: // %entry
|
|
; CHECK-FP16-NEXT: fmov h0, #1.00000000
|
|
; CHECK-FP16-NEXT: ret
|
|
;
|
|
; CHECK-NOFP16-LABEL: Const1:
|
|
; CHECK-NOFP16: // %bb.0: // %entry
|
|
; CHECK-NOFP16-NEXT: adrp x8, .LCPI1_0
|
|
; CHECK-NOFP16-NEXT: ldr h0, [x8, :lo12:.LCPI1_0]
|
|
; CHECK-NOFP16-NEXT: ret
|
|
entry:
|
|
ret half 0xH3C00
|
|
}
|
|
|
|
define half @Const2() {
|
|
; CHECK-FP16-LABEL: Const2:
|
|
; CHECK-FP16: // %bb.0: // %entry
|
|
; CHECK-FP16-NEXT: fmov h0, #0.12500000
|
|
; CHECK-FP16-NEXT: ret
|
|
;
|
|
; CHECK-NOFP16-LABEL: Const2:
|
|
; CHECK-NOFP16: // %bb.0: // %entry
|
|
; CHECK-NOFP16-NEXT: adrp x8, .LCPI2_0
|
|
; CHECK-NOFP16-NEXT: ldr h0, [x8, :lo12:.LCPI2_0]
|
|
; CHECK-NOFP16-NEXT: ret
|
|
entry:
|
|
ret half 0xH3000
|
|
}
|
|
|
|
define half @Const3() {
|
|
; CHECK-FP16-LABEL: Const3:
|
|
; CHECK-FP16: // %bb.0: // %entry
|
|
; CHECK-FP16-NEXT: fmov h0, #30.00000000
|
|
; CHECK-FP16-NEXT: ret
|
|
;
|
|
; CHECK-NOFP16-LABEL: Const3:
|
|
; CHECK-NOFP16: // %bb.0: // %entry
|
|
; CHECK-NOFP16-NEXT: adrp x8, .LCPI3_0
|
|
; CHECK-NOFP16-NEXT: ldr h0, [x8, :lo12:.LCPI3_0]
|
|
; CHECK-NOFP16-NEXT: ret
|
|
entry:
|
|
ret half 0xH4F80
|
|
}
|
|
|
|
define half @Const4() {
|
|
; CHECK-FP16-LABEL: Const4:
|
|
; CHECK-FP16: // %bb.0: // %entry
|
|
; CHECK-FP16-NEXT: fmov h0, #31.00000000
|
|
; CHECK-FP16-NEXT: ret
|
|
;
|
|
; CHECK-NOFP16-LABEL: Const4:
|
|
; CHECK-NOFP16: // %bb.0: // %entry
|
|
; CHECK-NOFP16-NEXT: adrp x8, .LCPI4_0
|
|
; CHECK-NOFP16-NEXT: ldr h0, [x8, :lo12:.LCPI4_0]
|
|
; CHECK-NOFP16-NEXT: ret
|
|
entry:
|
|
ret half 0xH4FC0
|
|
}
|
|
|
|
define half @Const5() {
|
|
; CHECK-FP16-LABEL: Const5:
|
|
; CHECK-FP16: // %bb.0: // %entry
|
|
; CHECK-FP16-NEXT: mov w8, #12272
|
|
; CHECK-FP16-NEXT: fmov h0, w8
|
|
; CHECK-FP16-NEXT: ret
|
|
;
|
|
; CHECK-NOFP16-LABEL: Const5:
|
|
; CHECK-NOFP16: // %bb.0: // %entry
|
|
; CHECK-NOFP16-NEXT: adrp x8, .LCPI5_0
|
|
; CHECK-NOFP16-NEXT: ldr h0, [x8, :lo12:.LCPI5_0]
|
|
; CHECK-NOFP16-NEXT: ret
|
|
entry:
|
|
ret half 0xH2FF0
|
|
}
|
|
|
|
define half @Const6() {
|
|
; CHECK-FP16-LABEL: Const6:
|
|
; CHECK-FP16: // %bb.0: // %entry
|
|
; CHECK-FP16-NEXT: mov w8, #20417
|
|
; CHECK-FP16-NEXT: fmov h0, w8
|
|
; CHECK-FP16-NEXT: ret
|
|
;
|
|
; CHECK-NOFP16-LABEL: Const6:
|
|
; CHECK-NOFP16: // %bb.0: // %entry
|
|
; CHECK-NOFP16-NEXT: adrp x8, .LCPI6_0
|
|
; CHECK-NOFP16-NEXT: ldr h0, [x8, :lo12:.LCPI6_0]
|
|
; CHECK-NOFP16-NEXT: ret
|
|
entry:
|
|
ret half 0xH4FC1
|
|
}
|
|
|
|
define half @Const7() {
|
|
; CHECK-FP16-LABEL: Const7:
|
|
; CHECK-FP16: // %bb.0: // %entry
|
|
; CHECK-FP16-NEXT: mov w8, #20480
|
|
; CHECK-FP16-NEXT: fmov h0, w8
|
|
; CHECK-FP16-NEXT: ret
|
|
;
|
|
; CHECK-NOFP16-LABEL: Const7:
|
|
; CHECK-NOFP16: // %bb.0: // %entry
|
|
; CHECK-NOFP16-NEXT: adrp x8, .LCPI7_0
|
|
; CHECK-NOFP16-NEXT: ldr h0, [x8, :lo12:.LCPI7_0]
|
|
; CHECK-NOFP16-NEXT: ret
|
|
entry:
|
|
ret half 0xH5000
|
|
}
|
|
|