llvm-for-llvmta/test/CodeGen/ARM/2011-12-19-sjlj-clobber.ll

56 lines
1.8 KiB
LLVM

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