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56 lines
1.8 KiB
56 lines
1.8 KiB
4 months ago
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; RUN: llc < %s -O0 -mtriple=thumbv7-apple-ios | FileCheck %s
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; Radar 10567930: Make sure that all the caller-saved registers are saved and
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; restored in a function with setjmp/longjmp EH. In particular, r6 was not
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; being saved here.
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; CHECK: push {r4, r5, r6, r7, lr}
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%0 = type opaque
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%struct.NSConstantString = type { i32*, i32, i8*, i32 }
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define i32 @asdf(i32 %a, i32 %b, i8** %c, i8* %d) personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*) {
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bb:
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%tmp = alloca i32, align 4
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%tmp1 = alloca i32, align 4
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%tmp2 = alloca i8*, align 4
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%tmp3 = alloca i1
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%myException = alloca %0*, align 4
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%tmp4 = alloca i8*
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%tmp5 = alloca i32
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%exception = alloca %0*, align 4
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store i32 %a, i32* %tmp, align 4
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store i32 %b, i32* %tmp1, align 4
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store i8* %d, i8** %tmp2, align 4
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store i1 false, i1* %tmp3
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%tmp7 = load i8*, i8** %c
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%tmp10 = invoke %0* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %0* (i8*, i8*, %0*)*)(i8* %tmp7, i8* %d, %0* null)
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to label %bb11 unwind label %bb15
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bb11: ; preds = %bb
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store %0* %tmp10, %0** %myException, align 4
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%tmp12 = load %0*, %0** %myException, align 4
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%tmp13 = bitcast %0* %tmp12 to i8*
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invoke void @objc_exception_throw(i8* %tmp13) noreturn
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to label %bb14 unwind label %bb15
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bb14: ; preds = %bb11
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unreachable
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bb15: ; preds = %bb11, %bb
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%tmp16 = landingpad { i8*, i32 }
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catch i8* null
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%tmp17 = extractvalue { i8*, i32 } %tmp16, 0
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store i8* %tmp17, i8** %tmp4
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%tmp18 = extractvalue { i8*, i32 } %tmp16, 1
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store i32 %tmp18, i32* %tmp5
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store i1 true, i1* %tmp3
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br label %bb56
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bb56:
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unreachable
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}
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declare i8* @objc_msgSend(i8*, i8*, ...) nonlazybind
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declare i32 @__objc_personality_v0(...)
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declare void @objc_exception_throw(i8*)
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