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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -enable-machine-outliner -mattr=+m -mtriple=riscv64 < %s | FileCheck %s
; Ensure that we won't outline CFIs when they are needed in unwinding.
define i32 @func1(i32 %x) #0 {
; CHECK-LABEL: func1:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: addi sp, sp, -16
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; CHECK-NEXT: sd s0, 0(sp) # 8-byte Folded Spill
; CHECK-NEXT: .cfi_offset ra, -8
; CHECK-NEXT: .cfi_offset s0, -16
; CHECK-NEXT: mul a0, a0, a0
; CHECK-NEXT: addiw s0, a0, 1
; CHECK-NEXT: li a0, 4
; CHECK-NEXT: call __cxa_allocate_exception@plt
; CHECK-NEXT: sw s0, 0(a0)
; CHECK-NEXT: lui a1, %hi(_ZTIi)
; CHECK-NEXT: addi a1, a1, %lo(_ZTIi)
; CHECK-NEXT: li a2, 0
; CHECK-NEXT: call __cxa_throw@plt
entry:
%mul = mul i32 %x, %x
%add = add i32 %mul, 1
%exception = tail call ptr @__cxa_allocate_exception(i64 4)
store i32 %add, ptr %exception
tail call void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null)
unreachable
}
define i32 @func2(i32 %x) #0 {
; CHECK-LABEL: func2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: addi sp, sp, -16
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; CHECK-NEXT: sd s0, 0(sp) # 8-byte Folded Spill
; CHECK-NEXT: .cfi_offset ra, -8
; CHECK-NEXT: .cfi_offset s0, -16
; CHECK-NEXT: mul a0, a0, a0
; CHECK-NEXT: addiw s0, a0, 1
; CHECK-NEXT: li a0, 4
; CHECK-NEXT: call __cxa_allocate_exception@plt
; CHECK-NEXT: sw s0, 0(a0)
; CHECK-NEXT: lui a1, %hi(_ZTIi)
; CHECK-NEXT: addi a1, a1, %lo(_ZTIi)
; CHECK-NEXT: li a2, 0
; CHECK-NEXT: call __cxa_throw@plt
entry:
%mul = mul i32 %x, %x
%add = add i32 %mul, 1
%exception = tail call ptr @__cxa_allocate_exception(i64 4)
store i32 %add, ptr %exception
tail call void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null)
unreachable
}
@_ZTIi = external constant ptr
declare ptr @__cxa_allocate_exception(i64)
declare void @__cxa_throw(ptr, ptr, ptr)
attributes #0 = { minsize noreturn }
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