forked from OSchip/llvm-project
62 lines
2.2 KiB
LLVM
62 lines
2.2 KiB
LLVM
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; RUN: llc < %s -enable-emscripten-cxx-exceptions | FileCheck %s --check-prefix=EH
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; RUN: llc < %s -enable-emscripten-sjlj | FileCheck %s --check-prefix=SJLJ
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; RUN: llc < %s | FileCheck %s --check-prefix=NONE
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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%struct.__jmp_buf_tag = type { [6 x i32], i32, [32 x i32] }
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define hidden void @exception() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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; EH-LABEL: type exception,@function
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; NONE-LABEL: type exception,@function
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entry:
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invoke void @foo()
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to label %try.cont unwind label %lpad
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; EH: call __invoke_void@FUNCTION
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; NONE: call foo@FUNCTION
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lpad: ; preds = %entry
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%0 = landingpad { i8*, i32 }
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catch i8* null
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%1 = extractvalue { i8*, i32 } %0, 0
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%2 = extractvalue { i8*, i32 } %0, 1
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%3 = call i8* @__cxa_begin_catch(i8* %1) #2
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call void @__cxa_end_catch()
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br label %try.cont
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try.cont: ; preds = %entry, %lpad
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ret void
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}
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define hidden void @setjmp_longjmp() {
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; SJLJ-LABEL: type setjmp_longjmp,@function
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; NONE-LABEL: type setjmp_longjmp,@function
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entry:
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%buf = alloca [1 x %struct.__jmp_buf_tag], align 16
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%arraydecay = getelementptr inbounds [1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* %buf, i32 0, i32 0
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%call = call i32 @setjmp(%struct.__jmp_buf_tag* %arraydecay) #0
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%arraydecay1 = getelementptr inbounds [1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* %buf, i32 0, i32 0
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call void @longjmp(%struct.__jmp_buf_tag* %arraydecay1, i32 1) #1
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unreachable
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; SJLJ: i32.call ${{[a-zA-Z0-9]+}}=, saveSetjmp@FUNCTION
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; SJLJ: i32.call ${{[a-zA-Z0-9]+}}=, testSetjmp@FUNCTION
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; NONE: i32.call ${{[a-zA-Z0-9]+}}=, setjmp@FUNCTION
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; NONE: call longjmp@FUNCTION
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}
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declare void @foo()
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declare i32 @__gxx_personality_v0(...)
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declare i8* @__cxa_begin_catch(i8*)
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declare void @__cxa_end_catch()
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; Function Attrs: returns_twice
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declare i32 @setjmp(%struct.__jmp_buf_tag*) #0
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; Function Attrs: noreturn
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declare void @longjmp(%struct.__jmp_buf_tag*, i32) #1
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declare i8* @malloc(i32)
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declare void @free(i8*)
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attributes #0 = { returns_twice }
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attributes #1 = { noreturn }
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attributes #2 = { nounwind }
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