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Currently, AsmWriter will stick uselistorder directives for global values inside individual functions. This doesn't make a lot of sense, and interacts badly with D104950, as use list order adjustments will be performed while still working on a forward reference. This patch instead always prints uselistorder directives for globals at the module level. This isn't really compatible with the previously used implementation approach. Rather than walking through all values again, use the OrderMap (after stabilizing its order) to go through all values and compute the use list shuffles for them. Classify them per-function, or nullptr for globals. Even independently of D104950, this seems to fix a few verify-uselistorder failures. Conveniently, there is even a pre-existing failing test that this fixes. Differential Revision: https://reviews.llvm.org/D104976
57 lines
1.1 KiB
LLVM
57 lines
1.1 KiB
LLVM
; RUN: verify-uselistorder %s
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; Test 1
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@g1 = global i8 0
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declare void @llvm.donothing() nounwind readnone
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define void @f.no_personality1() personality i8 0 {
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invoke void @llvm.donothing() to label %normal unwind label %exception
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exception:
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%cleanup = landingpad i8 cleanup
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br label %normal
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normal:
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ret void
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}
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; Test 2
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@g2 = global i8 -1
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@g3 = global i8 -1
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define void @f.no_personality2() personality i8 -1 {
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invoke void @llvm.donothing() to label %normal unwind label %exception
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exception:
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%cleanup = landingpad i8 cleanup
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br label %normal
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normal:
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ret void
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}
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; Test 3
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declare void @f1() prefix i32 1
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define void @test1() {
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%t1 = alloca half ; Implicit i32 1 used here.
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%t2 = alloca float
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ret void
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}
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; Test 4
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declare void @f2() prefix i32 2
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define void @test2(i32* %word) {
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%cmpxchg.0 = cmpxchg i32* %word, i32 0, i32 2 monotonic monotonic
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%cmpxchg.1 = cmpxchg i32* %word, i32 0, i32 2 acq_rel monotonic
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ret void
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}
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; Test 5
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@g4 = global i32 3
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@g5 = global i32 3
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declare void @test3() prefix i32 3
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; Test 6
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@g6 = global i32 4
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@g7 = global i32 4
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declare void @c() prologue i32 4
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