41 lines
1.4 KiB
LLVM
41 lines
1.4 KiB
LLVM
; RUN: llc < %s -mtriple=s390x-none-zos -mcpu=z10 | FileCheck %s
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;
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; Ensures that landingpad instructions use the right Exception Pointer
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; and Exception Selector registers, and that the exception table is emitted.
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declare void @callee()
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declare void @passeh(i8*, i32) noreturn
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declare i32 @__zos_cxx_personality_v2(...)
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define void @test1() uwtable personality i32 (...)* @__zos_cxx_personality_v2 {
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entry:
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%ehptr = alloca i8*, align 8
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%ehsel = alloca i32, align 8
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invoke void @callee() to label %done unwind label %lpad
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done:
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ret void
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; Match the return instruction.
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; CHECK: b 2(7)
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lpad:
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%0 = landingpad { i8*, i32 } cleanup
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; The Exception Pointer is %r1; the Exception Selector, %r2.
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; CHECK: @BB{{[^%]*}} %lpad
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; CHECK-DAG: stg 1, {{.*}}
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; CHECK-DAG: st 2, {{.*}}
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%1 = extractvalue { i8*, i32 } %0, 0
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%2 = extractvalue { i8*, i32 } %0, 1
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store i8* %1, i8** %ehptr, align 8
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store i32 %2, i32* %ehsel, align 8
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call void @passeh(i8* %1, i32 %2)
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unreachable
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}
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; Check that offsets to the FD of the personality routine and LSDA are emitted in PPA1
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; CHECK: .byte 145 {{.*PPA1 Flags}}
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; CHECK: Bit 3: 1 = C++ EH block
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; TODO: Emit the value instead of a dummy value.
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; CHECK: Personality routine
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; CHECK: LSDA location
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; Check that the exception table is emitted into .lsda section.
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; CHECK: .section ".gcc_exception_table.test1"
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; CHECK: GCC_except_table0:
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