diff options
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 7 | ||||
| -rw-r--r-- | test/CodeGen/ARM/2011-12-19-sjlj-clobber.ll | 55 |
2 files changed, 60 insertions, 2 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index 516a080..d4dc561 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -4741,8 +4741,11 @@ def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch), // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are // handled when the pseudo is expanded (which happens before any passes // that need the instruction size). -let isBarrier = 1 in -def eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>; +let Defs = + [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR, + QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], isBarrier = 1 in { + def eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>; +} //===----------------------------------------------------------------------===// // Non-Instruction Patterns diff --git a/test/CodeGen/ARM/2011-12-19-sjlj-clobber.ll b/test/CodeGen/ARM/2011-12-19-sjlj-clobber.ll new file mode 100644 index 0000000..ddb7632 --- /dev/null +++ b/test/CodeGen/ARM/2011-12-19-sjlj-clobber.ll @@ -0,0 +1,55 @@ +; 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) { +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** %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** %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 } personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*) + 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*) |