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TheRock/compiler/amd-llvm/llvm/test/CodeGen/Generic/sjlj-eh-prepare.ll
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derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

45 lines
1.4 KiB
LLVM

; RUN: opt -p sjlj-eh-prepare %s -S -o - | FileCheck %s
; Check that callsites are set up correctly:
; 1. Throwing call in the entry block does not set call_site
; (function context hasn't been configured yet).
; 2. Throwing call not in the entry block sets call_site to -1
; (reset to the initial state).
; 3. Invoke instructions set call_site to the correct call site number.
; 4. Resume instruction sets call_site to -1 (reset to the initial state).
define void @test_call_sites() personality ptr @__gxx_personality_sj0 {
entry:
; CHECK-NOT: store volatile
; CHECK: call void @may_throw()
call void @may_throw()
; CHECK: store volatile i32 1
; CHECK-NEXT: call void @llvm.eh.sjlj.callsite(i32 1)
; CHECK-NEXT: invoke void @may_throw()
invoke void @may_throw() to label %invoke.cont unwind label %lpad
invoke.cont:
; CHECK: store volatile i32 2
; CHECK-NEXT: call void @llvm.eh.sjlj.callsite(i32 2)
; CHECK-NEXT: invoke void @may_throw()
invoke void @may_throw() to label %try.cont unwind label %lpad
lpad:
; CHECK: store volatile i32 -1
; CHECK-NEXT: resume
%lp = landingpad { ptr, i32 } catch ptr @type_info
resume { ptr, i32 } %lp
try.cont:
; CHECK: store volatile i32 -1
; CHECK-NEXT: call void @may_throw
call void @may_throw()
ret void
}
@type_info = external constant ptr
declare void @may_throw()
declare i32 @__gxx_personality_sj0(...)