derek.holloway
7502bf64a4
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70 lines
3.0 KiB
LLVM
70 lines
3.0 KiB
LLVM
; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sme -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -mtriple=aarch64-apple-darwin -mattr=+sme -verify-machineinstrs < %s | FileCheck %s --check-prefix=DARWIN
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; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sme -verify-machineinstrs -stop-after=finalize-isel < %s | FileCheck %s --check-prefix=CHECK-CSRMASK
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; RUN: llc -mtriple=aarch64-apple-darwin -mattr=+sme -verify-machineinstrs -stop-after=finalize-isel < %s | FileCheck %s --check-prefix=CHECK-CSRMASK
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; Test that the PCS attribute is accepted and uses the correct register mask.
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;
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define void @test_sme_calling_convention_x0() nounwind {
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; CHECK-LABEL: test_sme_calling_convention_x0:
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; CHECK: // %bb.0:
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; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
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; CHECK-NEXT: bl __arm_tpidr2_save
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; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
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; CHECK-NEXT: ret
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; DARWIN-LABEL: test_sme_calling_convention_x0:
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; DARWIN: stp x29, x30, [sp, #-16]!
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; DARWIN: bl ___arm_tpidr2_save
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; DARWIN: ldp x29, x30, [sp], #16
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; DARWIN: ret
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;
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; CHECK-CSRMASK-LABEL: name: test_sme_calling_convention_x0
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; CHECK-CSRMASK: BL @__arm_tpidr2_save, csr_aarch64_sme_abi_support_routines_preservemost_from_x0
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call aarch64_sme_preservemost_from_x0 void @__arm_tpidr2_save()
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ret void
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}
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define i64 @test_sme_calling_convention_x1() nounwind {
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; CHECK-LABEL: test_sme_calling_convention_x1:
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; CHECK: // %bb.0:
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; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
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; CHECK-NEXT: bl __arm_get_current_vg
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; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
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; CHECK-NEXT: ret
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; DARWIN-LABEL: test_sme_calling_convention_x1:
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; DARWIN: stp x29, x30, [sp, #-16]!
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; DARWIN: bl ___arm_get_current_vg
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; DARWIN: ldp x29, x30, [sp], #16
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; DARWIN: ret
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;
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; CHECK-CSRMASK-LABEL: name: test_sme_calling_convention_x1
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; CHECK-CSRMASK: BL @__arm_get_current_vg, csr_aarch64_sme_abi_support_routines_preservemost_from_x1
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%vg = call aarch64_sme_preservemost_from_x1 i64 @__arm_get_current_vg()
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ret i64 %vg
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}
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define i64 @test_sme_calling_convention_x2() nounwind {
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; CHECK-LABEL: test_sme_calling_convention_x2:
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; CHECK: // %bb.0:
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; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
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; CHECK-NEXT: bl __arm_sme_state
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; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
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; CHECK-NEXT: ret
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; DARWIN-LABEL: test_sme_calling_convention_x2:
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; DARWIN: stp x29, x30, [sp, #-16]!
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; DARWIN: bl ___arm_sme_state
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; DARWIN: ldp x29, x30, [sp], #16
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; DARWIN: ret
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;
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; CHECK-CSRMASK-LABEL: name: test_sme_calling_convention_x2
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; CHECK-CSRMASK: BL @__arm_sme_state, csr_aarch64_sme_abi_support_routines_preservemost_from_x2
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%pstate = call aarch64_sme_preservemost_from_x2 {i64, i64} @__arm_sme_state()
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%pstate.sm = extractvalue {i64, i64} %pstate, 0
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ret i64 %pstate.sm
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}
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declare aarch64_sme_preservemost_from_x0 void @__arm_tpidr2_save()
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declare aarch64_sme_preservemost_from_x1 i64 @__arm_get_current_vg()
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declare aarch64_sme_preservemost_from_x2 {i64, i64} @__arm_sme_state()
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