45 lines
1.4 KiB
LLVM
45 lines
1.4 KiB
LLVM
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; RUN: llc -O0 -mtriple=aarch64-apple-ios -verify-machineinstrs -global-isel -stop-after=legalizer %s -o - | FileCheck %s
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@_ZTIi = external global i8*
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declare i32 @foo(i32)
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declare i32 @__gxx_personality_v0(...)
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declare i32 @llvm.eh.typeid.for(i8*)
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declare void @_Unwind_Resume(i8*)
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; CHECK: name: bar
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; CHECK: body:
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; CHECK-NEXT: bb.1 (%ir-block.0):
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; CHECK: successors: %{{bb.[0-9]+.*}}%[[LP:bb.[0-9]+]]
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; CHECK: [[LP]].{{[a-z]+}} (landing-pad):
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; CHECK: EH_LABEL
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; CHECK: [[PTR:%[0-9]+]]:_(p0) = COPY $x0
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; CHECK: [[SEL_PTR:%[0-9]+]]:_(p0) = COPY $x1
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; CHECK: [[SEL_PTR_INT:%[0-9]+]]:_(s32) = G_PTRTOINT [[SEL_PTR]](p0)
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; CHECK: G_STORE [[PTR]](p0), %0(p0) :: (store 8 into %ir.exn.slot)
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; CHECK: G_STORE [[SEL_PTR_INT]](s32), %1(p0) :: (store 4 into %ir.ehselector.slot)
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define void @bar() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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%exn.slot = alloca i8*
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%ehselector.slot = alloca i32
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%1 = invoke i32 @foo(i32 42) to label %continue unwind label %cleanup
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cleanup:
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%2 = landingpad { i8*, i32 } cleanup
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%3 = extractvalue { i8*, i32 } %2, 0
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store i8* %3, i8** %exn.slot, align 8
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%4 = extractvalue { i8*, i32 } %2, 1
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store i32 %4, i32* %ehselector.slot, align 4
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br label %eh.resume
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continue:
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ret void
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eh.resume:
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%exn = load i8*, i8** %exn.slot, align 8
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call void @_Unwind_Resume(i8* %exn)
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unreachable
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}
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