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TheRock/compiler/amd-llvm/llvm/test/CodeGen/X86/catchret-regmask.ll
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77 lines
1.9 KiB
LLVM

; RUN: llc < %s | FileCheck %s
target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc"
declare i32 @__CxxFrameHandler3(...)
declare void @throw() uwtable
declare ptr @getval()
declare void @llvm.trap()
define ptr @reload_out_of_pad(ptr %arg) #0 personality ptr @__CxxFrameHandler3 {
assertPassed:
invoke void @throw()
to label %unreachable unwind label %catch.dispatch
catch:
%cp = catchpad within %cs [ptr null, i32 0, ptr null]
catchret from %cp to label %return
; This block *must* appear after the catchret to test the bug.
; FIXME: Make this an MIR test so we can control MBB layout.
unreachable:
call void @llvm.trap()
unreachable
catch.dispatch:
%cs = catchswitch within none [label %catch] unwind to caller
return:
ret ptr %arg
}
; CHECK-LABEL: reload_out_of_pad: # @reload_out_of_pad
; CHECK: movq %rcx, -[[arg_slot:[0-9]+]](%rbp) # 8-byte Spill
; CHECK: callq throw
; CHECK: ud2
; CHECK: movq -[[arg_slot]](%rbp), %rax # 8-byte Reload
; CHECK: retq
; CHECK: "?catch${{[0-9]+}}@?0?reload_out_of_pad@4HA":
; CHECK-NOT: Reload
; CHECK: retq
define ptr @spill_in_pad() #0 personality ptr @__CxxFrameHandler3 {
assertPassed:
invoke void @throw()
to label %unreachable unwind label %catch.dispatch
catch:
%cp = catchpad within %cs [ptr null, i32 0, ptr null]
%val = call ptr @getval() [ "funclet"(token %cp) ]
catchret from %cp to label %return
unreachable:
call void @llvm.trap()
unreachable
catch.dispatch:
%cs = catchswitch within none [label %catch] unwind to caller
return:
ret ptr %val
}
; CHECK-LABEL: spill_in_pad: # @spill_in_pad
; CHECK: callq throw
; CHECK: ud2
; CHECK: movq -[[val_slot:[0-9]+]](%rbp), %rax # 8-byte Reload
; CHECK: retq
; CHECK: "?catch${{[0-9]+}}@?0?spill_in_pad@4HA":
; CHECK: callq getval
; CHECK: movq %rax, -[[val_slot]](%rbp) # 8-byte Spill
; CHECK: retq
attributes #0 = { uwtable }