67 lines
2.2 KiB
LLVM
67 lines
2.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -verify-machineinstrs -enable-machine-outliner -mattr=+m -mtriple=riscv64 < %s | FileCheck %s
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; Ensure that we won't outline CFIs when they are needed in unwinding.
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define i32 @func1(i32 %x) #0 {
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; CHECK-LABEL: func1:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addi sp, sp, -16
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; CHECK-NEXT: sd s0, 0(sp) # 8-byte Folded Spill
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; CHECK-NEXT: .cfi_offset ra, -8
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; CHECK-NEXT: .cfi_offset s0, -16
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; CHECK-NEXT: mulw a0, a0, a0
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; CHECK-NEXT: addiw s0, a0, 1
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; CHECK-NEXT: li a0, 4
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; CHECK-NEXT: call __cxa_allocate_exception@plt
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; CHECK-NEXT: sw s0, 0(a0)
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; CHECK-NEXT: lui a1, %hi(_ZTIi)
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; CHECK-NEXT: addi a1, a1, %lo(_ZTIi)
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; CHECK-NEXT: li a2, 0
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; CHECK-NEXT: call __cxa_throw@plt
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entry:
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%mul = mul i32 %x, %x
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%add = add i32 %mul, 1
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%exception = tail call i8* @__cxa_allocate_exception(i64 4)
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%0 = bitcast i8* %exception to i32*
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store i32 %add, i32* %0
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tail call void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null)
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unreachable
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}
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define i32 @func2(i32 %x) #0 {
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; CHECK-LABEL: func2:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addi sp, sp, -16
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; CHECK-NEXT: sd s0, 0(sp) # 8-byte Folded Spill
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; CHECK-NEXT: .cfi_offset ra, -8
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; CHECK-NEXT: .cfi_offset s0, -16
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; CHECK-NEXT: mulw a0, a0, a0
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; CHECK-NEXT: addiw s0, a0, 1
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; CHECK-NEXT: li a0, 4
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; CHECK-NEXT: call __cxa_allocate_exception@plt
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; CHECK-NEXT: sw s0, 0(a0)
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; CHECK-NEXT: lui a1, %hi(_ZTIi)
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; CHECK-NEXT: addi a1, a1, %lo(_ZTIi)
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; CHECK-NEXT: li a2, 0
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; CHECK-NEXT: call __cxa_throw@plt
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entry:
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%mul = mul i32 %x, %x
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%add = add i32 %mul, 1
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%exception = tail call i8* @__cxa_allocate_exception(i64 4)
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%0 = bitcast i8* %exception to i32*
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store i32 %add, i32* %0
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tail call void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null)
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unreachable
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}
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@_ZTIi = external constant i8*
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declare i8* @__cxa_allocate_exception(i64)
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declare void @__cxa_throw(i8*, i8*, i8*)
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attributes #0 = { minsize noreturn }
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