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92f2c530f2
They are currently implicit because TargetMachine::shouldAssumeDSOLocal implies dso_local. For external data, clang -fno-pic emits the dso_local specifier for ELF and non-MinGW COFF. Adding explicit dso_local makes these tests in align with the clang behavior and helps implementing an option to use GOT indirection for external data access in -fno-pic mode (to avoid copy relocations).
42 lines
1.4 KiB
LLVM
42 lines
1.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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;RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=slow-incdec | FileCheck %s
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@var_21 = external dso_local constant i32, align 4
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@var_29 = external dso_local constant i8, align 1
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@var_390 = external dso_local global i32, align 4
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@var_11 = external dso_local constant i8, align 1
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@var_370 = external dso_local global i8, align 1
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; Function Attrs: noinline nounwind optnone uwtable
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define void @_Z3foov() {
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; CHECK-LABEL: _Z3foov:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movsbl {{.*}}(%rip), %eax
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; CHECK-NEXT: negl %eax
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; CHECK-NEXT: xorl %ecx, %ecx
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; CHECK-NEXT: cmpl %eax, {{.*}}(%rip)
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; CHECK-NEXT: setb %cl
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; CHECK-NEXT: movl %ecx, {{.*}}(%rip)
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; CHECK-NEXT: movb {{.*}}(%rip), %al
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; CHECK-NEXT: movb %al, {{.*}}(%rip)
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; CHECK-NEXT: retq
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entry:
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%0 = load i32, i32* @var_21, align 4
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%1 = load i8, i8* @var_29, align 1
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%conv = sext i8 %1 to i32
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%sub = sub nsw i32 0, %conv
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%cmp = icmp ult i32 %0, %sub
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%conv1 = zext i1 %cmp to i32
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%add = add nsw i32 %conv1, -1
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%conv2 = trunc i32 %add to i8
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%tobool = icmp ne i8 %conv2, 0
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%lnot = xor i1 %tobool, true
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%conv3 = zext i1 %lnot to i32
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store i32 %conv3, i32* @var_390, align 4
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%2 = load i8, i8* @var_11, align 1
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%conv4 = sext i8 %2 to i16
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%conv5 = trunc i16 %conv4 to i8
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store i8 %conv5, i8* @var_370, align 1
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ret void
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}
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