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https://github.com/RPCS3/llvm-mirror.git
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b0011ef93b
Summary: Add Max ModFlagBehavior, which can be used to take the max of two module flag values when merging modules. Use it for the PIE and PIC levels. This avoids an error when we try to import from a module built -fpic into a module built -fPIC, for example. For both PIE and PIC levels, this will be legal, since the code generation gets more conservative as the level is increased. Therefore we can take the max instead of somehow trying to block importing between modules compiled with different levels. Reviewers: tmsriram, pcc Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D33418 llvm-svn: 303590
62 lines
2.4 KiB
LLVM
62 lines
2.4 KiB
LLVM
; RUN: not llvm-as < %s -o /dev/null 2>&1 | FileCheck %s
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; Check that module flags are structurally correct.
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;
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; CHECK: incorrect number of operands in module flag
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; CHECK: !0
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!0 = !{i32 1}
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; CHECK: invalid behavior operand in module flag (expected constant integer)
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; CHECK: !"foo"
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!1 = !{!"foo", !"foo", i32 42}
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; CHECK: invalid behavior operand in module flag (unexpected constant)
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; CHECK: i32 999
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!2 = !{i32 999, !"foo", i32 43}
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; CHECK: invalid ID operand in module flag (expected metadata string)
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; CHECK: i32 1
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!3 = !{i32 1, i32 1, i32 44}
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; CHECK: invalid value for 'require' module flag (expected metadata pair)
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; CHECK: i32 45
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!4 = !{i32 3, !"bla", i32 45}
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; CHECK: invalid value for 'require' module flag (expected metadata pair)
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; CHECK: !
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!5 = !{i32 3, !"bla", !{i32 46}}
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; CHECK: invalid value for 'require' module flag (first value operand should be a string)
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; CHECK: i32 47
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!6 = !{i32 3, !"bla", !{i32 47, i32 48}}
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; Check that module flags only have unique IDs.
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;
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; CHECK: module flag identifiers must be unique (or of 'require' type)
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!7 = !{i32 1, !"foo", i32 49}
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!8 = !{i32 2, !"foo", i32 50}
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; CHECK-NOT: module flag identifiers must be unique
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!9 = !{i32 2, !"bar", i32 51}
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!10 = !{i32 3, !"bar", !{!"bar", i32 51}}
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; Check that any 'append'-type module flags are valid.
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; CHECK: invalid value for 'append'-type module flag (expected a metadata node)
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!16 = !{i32 5, !"flag-2", i32 56}
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; CHECK: invalid value for 'append'-type module flag (expected a metadata node)
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!17 = !{i32 5, !"flag-3", i32 57}
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; CHECK-NOT: invalid value for 'append'-type module flag (expected a metadata node)
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!18 = !{i32 5, !"flag-4", !{i32 57}}
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; Check that any 'max' module flags are valid.
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; CHECK: invalid value for 'max' module flag (expected constant integer)
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!19 = !{i32 7, !"max", !"max"}
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; Check that any 'require' module flags are valid.
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; CHECK: invalid requirement on flag, flag is not present in module
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!11 = !{i32 3, !"bar", !{!"no-such-flag", i32 52}}
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; CHECK: invalid requirement on flag, flag does not have the required value
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!12 = !{i32 1, !"flag-0", i32 53}
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!13 = !{i32 3, !"bar", !{!"flag-0", i32 54}}
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; CHECK-NOT: invalid requirement on flag, flag is not present in module
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; CHECK-NOT: invalid requirement on flag, flag does not have the required value
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!14 = !{i32 1, !"flag-1", i32 55}
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!15 = !{i32 3, !"bar", !{!"flag-1", i32 55}}
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!llvm.module.flags = !{
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!0, !1, !2, !3, !4, !5, !6, !7, !8, !9, !10, !11, !12, !13, !14, !15,
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!16, !17, !18, !19 }
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