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f017e92c1c
Similar to D69390 for RISCV, use a guaranteed non-existing insn for llvm.trap and the break insn for llvm.debugtrap. Differential Revision: https://reviews.llvm.org/D134365
27 lines
745 B
LLVM
27 lines
745 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc --mtriple=loongarch32 --verify-machineinstrs < %s | FileCheck %s
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; RUN: llc --mtriple=loongarch64 --verify-machineinstrs < %s | FileCheck %s
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;; Verify that we lower @llvm.trap() and @llvm.debugtrap() correctly.
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declare void @llvm.trap()
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declare void @llvm.debugtrap()
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define void @test_trap() nounwind {
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; CHECK-LABEL: test_trap:
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; CHECK: # %bb.0:
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; CHECK-NEXT: amswap.w $zero, $ra, $zero
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; CHECK-NEXT: ret
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tail call void @llvm.trap()
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ret void
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}
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define void @test_debugtrap() nounwind {
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; CHECK-LABEL: test_debugtrap:
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; CHECK: # %bb.0:
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; CHECK-NEXT: break 0
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; CHECK-NEXT: ret
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tail call void @llvm.debugtrap()
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ret void
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}
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