48 lines
2.9 KiB
Text
48 lines
2.9 KiB
Text
# RUN: llvm-mc -filetype=obj %S/Inputs/unused-inlined-params.s \
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# RUN: -triple x86_64-pc-linux -o %t.o
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# RUN: %lldb %t.o -s %s -o exit | FileCheck %s
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# In this test we verify that inlined functions still mention
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# all their parameters in `frame variable`, even when those
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# parameters were completely optimized away from the concrete
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# instance of the inlined function in the debug info.
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# The debugger should look up the parameters in the abstract
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# origin of the concrete instance.
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# Let us check that unused parameters of an inlined function are listed
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# at the inlined function entry.
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image lookup -v -s break_at_inlined_f_in_main
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# CHECK-LABEL: image lookup -v -s break_at_inlined_f_in_main
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# CHECK: name = "unused1", type = "void *", valid ranges = <block>, location = <empty>
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# CHECK: name = "used", type = "int", valid ranges = <block>, location = [0x0000000000000011, 0x0000000000000014) -> DW_OP_consts +42
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# CHECK: name = "unused2", type = "int", valid ranges = <block>, location = <empty>
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# CHECK: name = "partial", type = "int", valid ranges = <block>, location = [0x0000000000000011, 0x0000000000000019) -> DW_OP_reg4 RSI
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# CHECK: name = "unused3", type = "int", valid ranges = <block>, location = <empty>
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# Show variables outsid of the live range of the 'partial' parameter
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# and verify that the output is as expected.
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image lookup -v -s break_at_inlined_f_in_main_between_printfs
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# CHECK-LABEL: image lookup -v -s break_at_inlined_f_in_main_between_printfs
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# CHECK: name = "unused1", type = "void *", valid ranges = <block>, location = <empty>
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# CHECK: name = "used", type = "int", valid ranges = <block>, location = [0x0000000000000014, 0x000000000000001e) -> DW_OP_reg3 RBX
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# CHECK: name = "unused2", type = "int", valid ranges = <block>, location = <empty>
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# Note: image lookup does not show variables outside of their
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# location, so |partial| is missing here.
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# CHECK-NOT: partial
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# CHECK: name = "unused3", type = "int", valid ranges = <block>, location = <empty>
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# Check that we show parameters even if all of them are compiled away.
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image lookup -v -s break_at_inlined_g_in_main
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# CHECK-LABEL: image lookup -v -s break_at_inlined_g_in_main
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# CHECK: name = "unused", type = "int", valid ranges = <block>, location = <empty>
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# Check that even the other inlined instance of f displays the correct
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# parameters.
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image lookup -v -s break_at_inlined_f_in_other
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# CHECK-LABEL: image lookup -v -s break_at_inlined_f_in_other
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# CHECK: name = "unused1", type = "void *", valid ranges = <block>, location = <empty>
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# CHECK: name = "used", type = "int", valid ranges = <block>, location = [0x0000000000000001, 0x000000000000000b) -> DW_OP_consts +1
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# CHECK: name = "unused2", type = "int", valid ranges = <block>, location = <empty>
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# CHECK: name = "partial", type = "int", valid ranges = <block>, location = [0x0000000000000001, 0x0000000000000006) -> DW_OP_consts +2
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# CHECK: name = "unused3", type = "int", valid ranges = <block>, location = <empty>
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