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|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -fast-isel=true -aarch64-streaming-hazard-size=0 -global-isel=false -fast-isel-abort=0 -mtriple=aarch64-linux-gnu -mattr=+sve -mattr=+sme2 < %s \
; RUN: | FileCheck %s --check-prefixes=CHECK-COMMON,CHECK-FISEL
; RUN: llc -fast-isel=false -aarch64-streaming-hazard-size=0 -global-isel=true -global-isel-abort=0 -mtriple=aarch64-linux-gnu -mattr=+sve -mattr=+sme2 < %s \
; RUN: | FileCheck %s --check-prefixes=CHECK-COMMON,CHECK-GISEL
declare double @streaming_callee(double) "aarch64_pstate_sm_enabled"
declare double @normal_callee(double)
define double @nonstreaming_caller_streaming_callee(double %x) nounwind noinline optnone {
; CHECK-FISEL-LABEL: nonstreaming_caller_streaming_callee:
; CHECK-FISEL: // %bb.0: // %entry
; CHECK-FISEL-NEXT: sub sp, sp, #96
; CHECK-FISEL-NEXT: stp d15, d14, [sp, #16] // 16-byte Folded Spill
; CHECK-FISEL-NEXT: stp d13, d12, [sp, #32] // 16-byte Folded Spill
; CHECK-FISEL-NEXT: stp d11, d10, [sp, #48] // 16-byte Folded Spill
; CHECK-FISEL-NEXT: stp d9, d8, [sp, #64] // 16-byte Folded Spill
; CHECK-FISEL-NEXT: str x30, [sp, #80] // 8-byte Folded Spill
; CHECK-FISEL-NEXT: cntd x9
; CHECK-FISEL-NEXT: str x9, [sp, #88] // 8-byte Folded Spill
; CHECK-FISEL-NEXT: str d0, [sp] // 8-byte Folded Spill
; CHECK-FISEL-NEXT: smstart sm
; CHECK-FISEL-NEXT: ldr d0, [sp] // 8-byte Folded Reload
; CHECK-FISEL-NEXT: bl streaming_callee
; CHECK-FISEL-NEXT: str d0, [sp, #8] // 8-byte Folded Spill
; CHECK-FISEL-NEXT: smstop sm
; CHECK-FISEL-NEXT: ldr d1, [sp, #8] // 8-byte Folded Reload
; CHECK-FISEL-NEXT: adrp x8, .LCPI0_0
; CHECK-FISEL-NEXT: ldr d0, [x8, :lo12:.LCPI0_0]
; CHECK-FISEL-NEXT: fadd d0, d1, d0
; CHECK-FISEL-NEXT: ldr x30, [sp, #80] // 8-byte Folded Reload
; CHECK-FISEL-NEXT: ldp d9, d8, [sp, #64] // 16-byte Folded Reload
; CHECK-FISEL-NEXT: ldp d11, d10, [sp, #48] // 16-byte Folded Reload
; CHECK-FISEL-NEXT: ldp d13, d12, [sp, #32] // 16-byte Folded Reload
; CHECK-FISEL-NEXT: ldp d15, d14, [sp, #16] // 16-byte Folded Reload
; CHECK-FISEL-NEXT: add sp, sp, #96
; CHECK-FISEL-NEXT: ret
;
; CHECK-GISEL-LABEL: nonstreaming_caller_streaming_callee:
; CHECK-GISEL: // %bb.0: // %entry
; CHECK-GISEL-NEXT: sub sp, sp, #96
; CHECK-GISEL-NEXT: stp d15, d14, [sp, #16] // 16-byte Folded Spill
; CHECK-GISEL-NEXT: stp d13, d12, [sp, #32] // 16-byte Folded Spill
; CHECK-GISEL-NEXT: stp d11, d10, [sp, #48] // 16-byte Folded Spill
; CHECK-GISEL-NEXT: stp d9, d8, [sp, #64] // 16-byte Folded Spill
; CHECK-GISEL-NEXT: str x30, [sp, #80] // 8-byte Folded Spill
; CHECK-GISEL-NEXT: cntd x9
; CHECK-GISEL-NEXT: str x9, [sp, #88] // 8-byte Folded Spill
; CHECK-GISEL-NEXT: str d0, [sp] // 8-byte Folded Spill
; CHECK-GISEL-NEXT: smstart sm
; CHECK-GISEL-NEXT: ldr d0, [sp] // 8-byte Folded Reload
; CHECK-GISEL-NEXT: bl streaming_callee
; CHECK-GISEL-NEXT: str d0, [sp, #8] // 8-byte Folded Spill
; CHECK-GISEL-NEXT: smstop sm
; CHECK-GISEL-NEXT: ldr d1, [sp, #8] // 8-byte Folded Reload
; CHECK-GISEL-NEXT: mov x8, #4631107791820423168 // =0x4045000000000000
; CHECK-GISEL-NEXT: fmov d0, x8
; CHECK-GISEL-NEXT: fadd d0, d1, d0
; CHECK-GISEL-NEXT: ldr x30, [sp, #80] // 8-byte Folded Reload
; CHECK-GISEL-NEXT: ldp d9, d8, [sp, #64] // 16-byte Folded Reload
; CHECK-GISEL-NEXT: ldp d11, d10, [sp, #48] // 16-byte Folded Reload
; CHECK-GISEL-NEXT: ldp d13, d12, [sp, #32] // 16-byte Folded Reload
; CHECK-GISEL-NEXT: ldp d15, d14, [sp, #16] // 16-byte Folded Reload
; CHECK-GISEL-NEXT: add sp, sp, #96
; CHECK-GISEL-NEXT: ret
entry:
%call = call double @streaming_callee(double %x) "aarch64_pstate_sm_enabled"
%add = fadd double %call, 4.200000e+01
ret double %add
}
define double @streaming_caller_nonstreaming_callee(double %x) nounwind noinline optnone "aarch64_pstate_sm_enabled" {
; CHECK-COMMON-LABEL: streaming_caller_nonstreaming_callee:
; CHECK-COMMON: // %bb.0: // %entry
; CHECK-COMMON-NEXT: sub sp, sp, #96
; CHECK-COMMON-NEXT: stp d15, d14, [sp, #16] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d13, d12, [sp, #32] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d11, d10, [sp, #48] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d9, d8, [sp, #64] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: str x30, [sp, #80] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: cntd x9
; CHECK-COMMON-NEXT: str x9, [sp, #88] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: str d0, [sp] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: smstop sm
; CHECK-COMMON-NEXT: ldr d0, [sp] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: bl normal_callee
; CHECK-COMMON-NEXT: str d0, [sp, #8] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: smstart sm
; CHECK-COMMON-NEXT: ldr d1, [sp, #8] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: mov x8, #4631107791820423168 // =0x4045000000000000
; CHECK-COMMON-NEXT: fmov d0, x8
; CHECK-COMMON-NEXT: fadd d0, d1, d0
; CHECK-COMMON-NEXT: ldr x30, [sp, #80] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d9, d8, [sp, #64] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d11, d10, [sp, #48] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d13, d12, [sp, #32] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d15, d14, [sp, #16] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: add sp, sp, #96
; CHECK-COMMON-NEXT: ret
entry:
%call = call double @normal_callee(double %x)
%add = fadd double %call, 4.200000e+01
ret double %add
}
define double @locally_streaming_caller_normal_callee(double %x) nounwind noinline optnone "aarch64_pstate_sm_body" {
; CHECK-COMMON-LABEL: locally_streaming_caller_normal_callee:
; CHECK-COMMON: // %bb.0:
; CHECK-COMMON-NEXT: sub sp, sp, #128
; CHECK-COMMON-NEXT: stp d15, d14, [sp, #32] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d13, d12, [sp, #48] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d11, d10, [sp, #64] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d9, d8, [sp, #80] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: str x30, [sp, #96] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: rdsvl x9, #1
; CHECK-COMMON-NEXT: lsr x9, x9, #3
; CHECK-COMMON-NEXT: str x9, [sp, #104] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: cntd x9
; CHECK-COMMON-NEXT: str x9, [sp, #112] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: str d0, [sp, #24] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: smstart sm
; CHECK-COMMON-NEXT: ldr d0, [sp, #24] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: str d0, [sp, #24] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: smstop sm
; CHECK-COMMON-NEXT: ldr d0, [sp, #24] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: bl normal_callee
; CHECK-COMMON-NEXT: str d0, [sp, #16] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: smstart sm
; CHECK-COMMON-NEXT: ldr d1, [sp, #16] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: mov x8, #4631107791820423168 // =0x4045000000000000
; CHECK-COMMON-NEXT: fmov d0, x8
; CHECK-COMMON-NEXT: fadd d0, d1, d0
; CHECK-COMMON-NEXT: str d0, [sp, #8] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: smstop sm
; CHECK-COMMON-NEXT: ldr d0, [sp, #8] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: ldr x30, [sp, #96] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d9, d8, [sp, #80] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d11, d10, [sp, #64] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d13, d12, [sp, #48] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d15, d14, [sp, #32] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: add sp, sp, #128
; CHECK-COMMON-NEXT: ret
%call = call double @normal_callee(double %x);
%add = fadd double %call, 4.200000e+01
ret double %add;
}
define double @normal_caller_to_locally_streaming_callee(double %x) nounwind noinline optnone {
; CHECK-FISEL-LABEL: normal_caller_to_locally_streaming_callee:
; CHECK-FISEL: // %bb.0:
; CHECK-FISEL-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-FISEL-NEXT: bl locally_streaming_caller_normal_callee
; CHECK-FISEL-NEXT: adrp x8, .LCPI3_0
; CHECK-FISEL-NEXT: ldr d1, [x8, :lo12:.LCPI3_0]
; CHECK-FISEL-NEXT: fadd d0, d0, d1
; CHECK-FISEL-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-FISEL-NEXT: ret
;
; CHECK-GISEL-LABEL: normal_caller_to_locally_streaming_callee:
; CHECK-GISEL: // %bb.0:
; CHECK-GISEL-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-GISEL-NEXT: bl locally_streaming_caller_normal_callee
; CHECK-GISEL-NEXT: mov x8, #4631107791820423168 // =0x4045000000000000
; CHECK-GISEL-NEXT: fmov d1, x8
; CHECK-GISEL-NEXT: fadd d0, d0, d1
; CHECK-GISEL-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-GISEL-NEXT: ret
%call = call double @locally_streaming_caller_normal_callee(double %x) "aarch64_pstate_sm_body";
%add = fadd double %call, 4.200000e+01
ret double %add;
}
; Check attribute in the call itself
define void @locally_streaming_caller_streaming_callee_ptr(ptr %p) nounwind noinline optnone "aarch64_pstate_sm_body" {
; CHECK-COMMON-LABEL: locally_streaming_caller_streaming_callee_ptr:
; CHECK-COMMON: // %bb.0:
; CHECK-COMMON-NEXT: stp d15, d14, [sp, #-96]! // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d13, d12, [sp, #16] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d11, d10, [sp, #32] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d9, d8, [sp, #48] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: str x30, [sp, #64] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: rdsvl x9, #1
; CHECK-COMMON-NEXT: lsr x9, x9, #3
; CHECK-COMMON-NEXT: str x9, [sp, #72] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: cntd x9
; CHECK-COMMON-NEXT: str x9, [sp, #80] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: smstart sm
; CHECK-COMMON-NEXT: blr x0
; CHECK-COMMON-NEXT: smstop sm
; CHECK-COMMON-NEXT: ldr x30, [sp, #64] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d9, d8, [sp, #48] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d11, d10, [sp, #32] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d13, d12, [sp, #16] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d15, d14, [sp], #96 // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ret
call void %p() "aarch64_pstate_sm_enabled"
ret void
}
define void @normal_call_to_streaming_callee_ptr(ptr %p) nounwind noinline optnone {
; CHECK-COMMON-LABEL: normal_call_to_streaming_callee_ptr:
; CHECK-COMMON: // %bb.0:
; CHECK-COMMON-NEXT: stp d15, d14, [sp, #-80]! // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d13, d12, [sp, #16] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d11, d10, [sp, #32] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d9, d8, [sp, #48] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: str x30, [sp, #64] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: cntd x9
; CHECK-COMMON-NEXT: str x9, [sp, #72] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: smstart sm
; CHECK-COMMON-NEXT: blr x0
; CHECK-COMMON-NEXT: smstop sm
; CHECK-COMMON-NEXT: ldr x30, [sp, #64] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d9, d8, [sp, #48] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d11, d10, [sp, #32] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d13, d12, [sp, #16] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d15, d14, [sp], #80 // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ret
call void %p() "aarch64_pstate_sm_enabled"
ret void
}
;
; Check ZA state
;
declare double @za_shared_callee(double) "aarch64_inout_za"
define double @za_new_caller_to_za_shared_callee(double %x) nounwind noinline optnone "aarch64_new_za"{
; CHECK-COMMON-LABEL: za_new_caller_to_za_shared_callee:
; CHECK-COMMON: // %bb.0: // %prelude
; CHECK-COMMON-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-COMMON-NEXT: rdsvl x8, #1
; CHECK-COMMON-NEXT: mrs x8, TPIDR2_EL0
; CHECK-COMMON-NEXT: cbz x8, .LBB6_2
; CHECK-COMMON-NEXT: b .LBB6_1
; CHECK-COMMON-NEXT: .LBB6_1: // %save.za
; CHECK-COMMON-NEXT: bl __arm_tpidr2_save
; CHECK-COMMON-NEXT: msr TPIDR2_EL0, xzr
; CHECK-COMMON-NEXT: b .LBB6_2
; CHECK-COMMON-NEXT: .LBB6_2: // %entry
; CHECK-COMMON-NEXT: smstart za
; CHECK-COMMON-NEXT: zero {za}
; CHECK-COMMON-NEXT: bl za_shared_callee
; CHECK-COMMON-NEXT: mov x8, #4631107791820423168 // =0x4045000000000000
; CHECK-COMMON-NEXT: fmov d1, x8
; CHECK-COMMON-NEXT: fadd d0, d0, d1
; CHECK-COMMON-NEXT: smstop za
; CHECK-COMMON-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-COMMON-NEXT: ret
entry:
%call = call double @za_shared_callee(double %x)
%add = fadd double %call, 4.200000e+01
ret double %add;
}
define double @za_shared_caller_to_za_none_callee(double %x) nounwind noinline optnone "aarch64_inout_za"{
; CHECK-COMMON-LABEL: za_shared_caller_to_za_none_callee:
; CHECK-COMMON: // %bb.0: // %entry
; CHECK-COMMON-NEXT: stp x29, x30, [sp, #-32]! // 16-byte Folded Spill
; CHECK-COMMON-NEXT: str x19, [sp, #16] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: mov x29, sp
; CHECK-COMMON-NEXT: sub sp, sp, #16
; CHECK-COMMON-NEXT: rdsvl x8, #1
; CHECK-COMMON-NEXT: mov x9, sp
; CHECK-COMMON-NEXT: msub x9, x8, x8, x9
; CHECK-COMMON-NEXT: mov sp, x9
; CHECK-COMMON-NEXT: stur x9, [x29, #-16]
; CHECK-COMMON-NEXT: sturh wzr, [x29, #-6]
; CHECK-COMMON-NEXT: stur wzr, [x29, #-4]
; CHECK-COMMON-NEXT: sturh w8, [x29, #-8]
; CHECK-COMMON-NEXT: sub x8, x29, #16
; CHECK-COMMON-NEXT: msr TPIDR2_EL0, x8
; CHECK-COMMON-NEXT: bl normal_callee
; CHECK-COMMON-NEXT: smstart za
; CHECK-COMMON-NEXT: mrs x8, TPIDR2_EL0
; CHECK-COMMON-NEXT: sub x0, x29, #16
; CHECK-COMMON-NEXT: cbz x8, .LBB7_1
; CHECK-COMMON-NEXT: b .LBB7_2
; CHECK-COMMON-NEXT: .LBB7_1: // %entry
; CHECK-COMMON-NEXT: bl __arm_tpidr2_restore
; CHECK-COMMON-NEXT: b .LBB7_2
; CHECK-COMMON-NEXT: .LBB7_2: // %entry
; CHECK-COMMON-NEXT: msr TPIDR2_EL0, xzr
; CHECK-COMMON-NEXT: mov x8, #4631107791820423168 // =0x4045000000000000
; CHECK-COMMON-NEXT: fmov d1, x8
; CHECK-COMMON-NEXT: fadd d0, d0, d1
; CHECK-COMMON-NEXT: mov sp, x29
; CHECK-COMMON-NEXT: ldr x19, [sp, #16] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: ldp x29, x30, [sp], #32 // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ret
entry:
%call = call double @normal_callee(double %x)
%add = fadd double %call, 4.200000e+01
ret double %add;
}
; Ensure we set up and restore the lazy save correctly for instructions which are lowered to lib calls.
define fp128 @f128_call_za(fp128 %a, fp128 %b) "aarch64_inout_za" nounwind {
; CHECK-COMMON-LABEL: f128_call_za:
; CHECK-COMMON: // %bb.0:
; CHECK-COMMON-NEXT: stp x29, x30, [sp, #-32]! // 16-byte Folded Spill
; CHECK-COMMON-NEXT: str x19, [sp, #16] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: mov x29, sp
; CHECK-COMMON-NEXT: sub sp, sp, #16
; CHECK-COMMON-NEXT: rdsvl x8, #1
; CHECK-COMMON-NEXT: mov x9, sp
; CHECK-COMMON-NEXT: msub x9, x8, x8, x9
; CHECK-COMMON-NEXT: mov sp, x9
; CHECK-COMMON-NEXT: stur x9, [x29, #-16]
; CHECK-COMMON-NEXT: sub x9, x29, #16
; CHECK-COMMON-NEXT: sturh wzr, [x29, #-6]
; CHECK-COMMON-NEXT: stur wzr, [x29, #-4]
; CHECK-COMMON-NEXT: sturh w8, [x29, #-8]
; CHECK-COMMON-NEXT: msr TPIDR2_EL0, x9
; CHECK-COMMON-NEXT: bl __addtf3
; CHECK-COMMON-NEXT: smstart za
; CHECK-COMMON-NEXT: mrs x8, TPIDR2_EL0
; CHECK-COMMON-NEXT: sub x0, x29, #16
; CHECK-COMMON-NEXT: cbnz x8, .LBB8_2
; CHECK-COMMON-NEXT: // %bb.1:
; CHECK-COMMON-NEXT: bl __arm_tpidr2_restore
; CHECK-COMMON-NEXT: .LBB8_2:
; CHECK-COMMON-NEXT: msr TPIDR2_EL0, xzr
; CHECK-COMMON-NEXT: mov sp, x29
; CHECK-COMMON-NEXT: ldr x19, [sp, #16] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: ldp x29, x30, [sp], #32 // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ret
%res = fadd fp128 %a, %b
ret fp128 %res
}
; Ensure we fall back to SelectionDAG isel here so that we temporarily disable streaming mode to lower the fadd (with function calls).
define fp128 @f128_call_sm(fp128 %a, fp128 %b) "aarch64_pstate_sm_enabled" nounwind {
; CHECK-COMMON-LABEL: f128_call_sm:
; CHECK-COMMON: // %bb.0:
; CHECK-COMMON-NEXT: sub sp, sp, #112
; CHECK-COMMON-NEXT: cntd x9
; CHECK-COMMON-NEXT: stp d15, d14, [sp, #32] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d13, d12, [sp, #48] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d11, d10, [sp, #64] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d9, d8, [sp, #80] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp x30, x9, [sp, #96] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp q0, q1, [sp] // 32-byte Folded Spill
; CHECK-COMMON-NEXT: smstop sm
; CHECK-COMMON-NEXT: ldp q0, q1, [sp] // 32-byte Folded Reload
; CHECK-COMMON-NEXT: bl __addtf3
; CHECK-COMMON-NEXT: str q0, [sp, #16] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: smstart sm
; CHECK-COMMON-NEXT: ldr q0, [sp, #16] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d9, d8, [sp, #80] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldr x30, [sp, #96] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d11, d10, [sp, #64] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d13, d12, [sp, #48] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d15, d14, [sp, #32] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: add sp, sp, #112
; CHECK-COMMON-NEXT: ret
%res = fadd fp128 %a, %b
ret fp128 %res
}
; As above this should use Selection DAG to make sure the libcall call is lowered correctly.
define double @frem_call_za(double %a, double %b) "aarch64_inout_za" nounwind {
; CHECK-COMMON-LABEL: frem_call_za:
; CHECK-COMMON: // %bb.0:
; CHECK-COMMON-NEXT: stp x29, x30, [sp, #-32]! // 16-byte Folded Spill
; CHECK-COMMON-NEXT: str x19, [sp, #16] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: mov x29, sp
; CHECK-COMMON-NEXT: sub sp, sp, #16
; CHECK-COMMON-NEXT: rdsvl x8, #1
; CHECK-COMMON-NEXT: mov x9, sp
; CHECK-COMMON-NEXT: msub x9, x8, x8, x9
; CHECK-COMMON-NEXT: mov sp, x9
; CHECK-COMMON-NEXT: stur x9, [x29, #-16]
; CHECK-COMMON-NEXT: sub x9, x29, #16
; CHECK-COMMON-NEXT: sturh wzr, [x29, #-6]
; CHECK-COMMON-NEXT: stur wzr, [x29, #-4]
; CHECK-COMMON-NEXT: sturh w8, [x29, #-8]
; CHECK-COMMON-NEXT: msr TPIDR2_EL0, x9
; CHECK-COMMON-NEXT: bl fmod
; CHECK-COMMON-NEXT: smstart za
; CHECK-COMMON-NEXT: mrs x8, TPIDR2_EL0
; CHECK-COMMON-NEXT: sub x0, x29, #16
; CHECK-COMMON-NEXT: cbnz x8, .LBB10_2
; CHECK-COMMON-NEXT: // %bb.1:
; CHECK-COMMON-NEXT: bl __arm_tpidr2_restore
; CHECK-COMMON-NEXT: .LBB10_2:
; CHECK-COMMON-NEXT: msr TPIDR2_EL0, xzr
; CHECK-COMMON-NEXT: mov sp, x29
; CHECK-COMMON-NEXT: ldr x19, [sp, #16] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: ldp x29, x30, [sp], #32 // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ret
%res = frem double %a, %b
ret double %res
}
; As above this should use Selection DAG to make sure the libcall is lowered correctly.
define float @frem_call_sm(float %a, float %b) "aarch64_pstate_sm_enabled" nounwind {
; CHECK-COMMON-LABEL: frem_call_sm:
; CHECK-COMMON: // %bb.0:
; CHECK-COMMON-NEXT: sub sp, sp, #96
; CHECK-COMMON-NEXT: cntd x9
; CHECK-COMMON-NEXT: stp d15, d14, [sp, #16] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d13, d12, [sp, #32] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d11, d10, [sp, #48] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d9, d8, [sp, #64] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp x30, x9, [sp, #80] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp s0, s1, [sp, #8] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: smstop sm
; CHECK-COMMON-NEXT: ldp s0, s1, [sp, #8] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: bl fmodf
; CHECK-COMMON-NEXT: str s0, [sp, #12] // 4-byte Folded Spill
; CHECK-COMMON-NEXT: smstart sm
; CHECK-COMMON-NEXT: ldr s0, [sp, #12] // 4-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d9, d8, [sp, #64] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldr x30, [sp, #80] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d11, d10, [sp, #48] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d13, d12, [sp, #32] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d15, d14, [sp, #16] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: add sp, sp, #96
; CHECK-COMMON-NEXT: ret
%res = frem float %a, %b
ret float %res
}
; As above this should use Selection DAG to make sure the libcall is lowered correctly.
define float @frem_call_sm_compat(float %a, float %b) "aarch64_pstate_sm_compatible" nounwind {
; CHECK-COMMON-LABEL: frem_call_sm_compat:
; CHECK-COMMON: // %bb.0:
; CHECK-COMMON-NEXT: sub sp, sp, #112
; CHECK-COMMON-NEXT: cntd x9
; CHECK-COMMON-NEXT: stp d15, d14, [sp, #16] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d13, d12, [sp, #32] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d11, d10, [sp, #48] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp d9, d8, [sp, #64] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp x30, x9, [sp, #80] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: str x19, [sp, #96] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: stp s0, s1, [sp, #8] // 8-byte Folded Spill
; CHECK-COMMON-NEXT: bl __arm_sme_state
; CHECK-COMMON-NEXT: and x19, x0, #0x1
; CHECK-COMMON-NEXT: tbz w19, #0, .LBB12_2
; CHECK-COMMON-NEXT: // %bb.1:
; CHECK-COMMON-NEXT: smstop sm
; CHECK-COMMON-NEXT: .LBB12_2:
; CHECK-COMMON-NEXT: ldp s0, s1, [sp, #8] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: bl fmodf
; CHECK-COMMON-NEXT: str s0, [sp, #12] // 4-byte Folded Spill
; CHECK-COMMON-NEXT: tbz w19, #0, .LBB12_4
; CHECK-COMMON-NEXT: // %bb.3:
; CHECK-COMMON-NEXT: smstart sm
; CHECK-COMMON-NEXT: .LBB12_4:
; CHECK-COMMON-NEXT: ldr s0, [sp, #12] // 4-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d9, d8, [sp, #64] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldr x19, [sp, #96] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d11, d10, [sp, #48] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldr x30, [sp, #80] // 8-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d13, d12, [sp, #32] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp d15, d14, [sp, #16] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: add sp, sp, #112
; CHECK-COMMON-NEXT: ret
%res = frem float %a, %b
ret float %res
}
;
; Check ZT0 State
;
declare double @zt0_shared_callee(double) "aarch64_inout_zt0"
define double @zt0_new_caller_to_zt0_shared_callee(double %x) nounwind noinline optnone "aarch64_new_zt0" {
; CHECK-COMMON-LABEL: zt0_new_caller_to_zt0_shared_callee:
; CHECK-COMMON: // %bb.0: // %prelude
; CHECK-COMMON-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-COMMON-NEXT: mrs x8, TPIDR2_EL0
; CHECK-COMMON-NEXT: cbz x8, .LBB13_2
; CHECK-COMMON-NEXT: b .LBB13_1
; CHECK-COMMON-NEXT: .LBB13_1: // %save.za
; CHECK-COMMON-NEXT: bl __arm_tpidr2_save
; CHECK-COMMON-NEXT: msr TPIDR2_EL0, xzr
; CHECK-COMMON-NEXT: b .LBB13_2
; CHECK-COMMON-NEXT: .LBB13_2: // %entry
; CHECK-COMMON-NEXT: smstart za
; CHECK-COMMON-NEXT: zero { zt0 }
; CHECK-COMMON-NEXT: bl zt0_shared_callee
; CHECK-COMMON-NEXT: mov x8, #4631107791820423168 // =0x4045000000000000
; CHECK-COMMON-NEXT: fmov d1, x8
; CHECK-COMMON-NEXT: fadd d0, d0, d1
; CHECK-COMMON-NEXT: smstop za
; CHECK-COMMON-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-COMMON-NEXT: ret
entry:
%call = call double @zt0_shared_callee(double %x)
%add = fadd double %call, 4.200000e+01
ret double %add;
}
define double @zt0_shared_caller_to_normal_callee(double %x) nounwind noinline optnone "aarch64_inout_zt0" {
; CHECK-COMMON-LABEL: zt0_shared_caller_to_normal_callee:
; CHECK-COMMON: // %bb.0: // %entry
; CHECK-COMMON-NEXT: sub sp, sp, #80
; CHECK-COMMON-NEXT: stp x30, x19, [sp, #64] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: mov x19, sp
; CHECK-COMMON-NEXT: str zt0, [x19]
; CHECK-COMMON-NEXT: smstop za
; CHECK-COMMON-NEXT: bl normal_callee
; CHECK-COMMON-NEXT: smstart za
; CHECK-COMMON-NEXT: ldr zt0, [x19]
; CHECK-COMMON-NEXT: mov x8, #4631107791820423168 // =0x4045000000000000
; CHECK-COMMON-NEXT: fmov d1, x8
; CHECK-COMMON-NEXT: fadd d0, d0, d1
; CHECK-COMMON-NEXT: ldp x30, x19, [sp, #64] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: add sp, sp, #80
; CHECK-COMMON-NEXT: ret
entry:
%call = call double @normal_callee(double %x)
%add = fadd double %call, 4.200000e+01
ret double %add;
}
define void @agnostic_za_function(ptr %ptr) nounwind "aarch64_za_state_agnostic" {
; CHECK-COMMON-LABEL: agnostic_za_function:
; CHECK-COMMON: // %bb.0:
; CHECK-COMMON-NEXT: stp x29, x30, [sp, #-32]! // 16-byte Folded Spill
; CHECK-COMMON-NEXT: stp x20, x19, [sp, #16] // 16-byte Folded Spill
; CHECK-COMMON-NEXT: mov x29, sp
; CHECK-COMMON-NEXT: mov x8, x0
; CHECK-COMMON-NEXT: bl __arm_sme_state_size
; CHECK-COMMON-NEXT: sub sp, sp, x0
; CHECK-COMMON-NEXT: mov x20, sp
; CHECK-COMMON-NEXT: mov x0, x20
; CHECK-COMMON-NEXT: bl __arm_sme_save
; CHECK-COMMON-NEXT: blr x8
; CHECK-COMMON-NEXT: mov x0, x20
; CHECK-COMMON-NEXT: bl __arm_sme_restore
; CHECK-COMMON-NEXT: mov sp, x29
; CHECK-COMMON-NEXT: ldp x20, x19, [sp, #16] // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ldp x29, x30, [sp], #32 // 16-byte Folded Reload
; CHECK-COMMON-NEXT: ret
call void %ptr()
ret void
}
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