44 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc -mtriple=armv7-apple-ios -O0 < %s | FileCheck %s
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; RUN: llc -mtriple=armv7-apple-ios -O1 < %s | FileCheck %s
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; RUN: llc -mtriple=armv7-apple-ios -O2 < %s | FileCheck %s
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; RUN: llc -mtriple=armv7-apple-ios -O3 < %s | FileCheck %s
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; RUN: llc -mtriple=armv7-apple-watchos -O3 < %s | FileCheck %s
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; RUN: llc -mtriple=armv7k-apple-ios < %s | FileCheck %s --check-prefix=CHECK-WATCH
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; RUN: llc -mtriple=armv7-linux -exception-model sjlj -O3 < %s | FileCheck %s --check-prefix=CHECK-LINUX
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; SjLjEHPrepare shouldn't crash when lowering empty structs.
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;
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; Checks that between in case of empty structs used as arguments
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; nothing happens, i.e. there are no instructions between
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; __Unwind_SjLj_Register and actual @bar invocation
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define i8* @foo(i8 %a, {} %c) personality i8* bitcast (i32 (...)* @baz to i8*) {
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entry:
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; CHECK: bl __Unwind_SjLj_Register
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; CHECK-NEXT: {{[A-Z][a-zA-Z0-9]*}}:
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; CHECK-NEXT: bl _bar
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; CHECK: bl __Unwind_SjLj_Resume
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; CHECK-LINUX: bl _Unwind_SjLj_Register
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; CHECK-LINUX-NEXT: .{{[A-Z][a-zA-Z0-9]*}}:
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; CHECK-LINUX-NEXT: bl bar
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; CHECK-LINUX: bl _Unwind_SjLj_Resume
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; CHECK-WATCH-NOT: bl __Unwind_SjLj_Register
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  invoke void @bar ()
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    to label %unreachable unwind label %handler
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unreachable:
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  unreachable
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handler:
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  %tmp = landingpad { i8*, i32 }
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  cleanup
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  resume { i8*, i32 } undef
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}
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declare void @bar()
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declare i32 @baz(...)
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