If the function is non-IPO amendable we do skip most attributes/AAs. However, if an AA has a isImpliedByIR that can deduce the attribute from other attributes, we can run those. For now, we manually enable them, if we have more later we can use some automation/flag.
50 lines
2.7 KiB
LLVM
50 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
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; Unused arguments from variadic functions cannot be eliminated as that changes
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; their classiciation according to the SysV amd64 ABI. Clang and other frontends
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; bake in the classification when they use things like byval, as in this test.
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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%struct.tt0 = type { i64, i64 }
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%struct.__va_list_tag = type { i32, i32, ptr, ptr }
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@t45 = internal global %struct.tt0 { i64 1335139741, i64 438042995 }, align 8
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; Function Attrs: nounwind uwtable
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;.
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; CHECK: @[[T45:[a-zA-Z0-9_$"\\.-]+]] = internal global [[STRUCT_TT0:%.*]] { i64 1335139741, i64 438042995 }, align 8
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;.
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define i32 @main(i32 %argc, ptr nocapture readnone %argv) #0 {
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; CHECK-LABEL: define {{[^@]+}}@main
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; CHECK-SAME: (i32 [[ARGC:%.*]], ptr nocapture nofree readnone [[ARGV:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: tail call void (ptr, ptr, ptr, ptr, ptr, ...) @callee_t0f(ptr nofree undef, ptr nofree undef, ptr nofree undef, ptr nofree undef, ptr nofree undef, ptr noalias noundef nonnull byval([[STRUCT_TT0:%.*]]) align 8 dereferenceable(16) @t45)
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; CHECK-NEXT: ret i32 0
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;
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entry:
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tail call void (ptr, ptr, ptr, ptr, ptr, ...) @callee_t0f(ptr undef, ptr undef, ptr undef, ptr undef, ptr undef, ptr byval(%struct.tt0) align 8 @t45)
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ret i32 0
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}
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; Function Attrs: nounwind uwtable
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define internal void @callee_t0f(ptr nocapture readnone %tp13, ptr nocapture readnone %tp14, ptr nocapture readnone %tp15, ptr nocapture readnone %tp16, ptr nocapture readnone %tp17, ...) {
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; CHECK-LABEL: define {{[^@]+}}@callee_t0f
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; CHECK-SAME: (ptr noalias nocapture nofree readnone align 4294967296 [[TP13:%.*]], ptr noalias nocapture nofree readnone align 4294967296 [[TP14:%.*]], ptr noalias nocapture nofree readnone align 4294967296 [[TP15:%.*]], ptr noalias nocapture nofree readnone align 4294967296 [[TP16:%.*]], ptr noalias nocapture nofree readnone align 4294967296 [[TP17:%.*]], ...) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @sink(i32 noundef 0)
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; CHECK-NEXT: ret void
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;
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entry:
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call void @sink(i32 0)
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ret void
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}
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declare void @sink(i32)
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;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
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; CGSCC: {{.*}}
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; TUNIT: {{.*}}
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