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53 lines
1.5 KiB
LLVM
53 lines
1.5 KiB
LLVM
; RUN: llc < %s -mtriple x86_64-apple-darwin -mcpu=core2 | FileCheck %s
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%struct.A = type { [48 x i8], i32, i32, i32 }
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@c = external thread_local global %struct.A, align 4
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define void @main() nounwind ssp {
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; CHECK: main:
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entry:
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call void @llvm.memset.p0i8.i64(i8* getelementptr inbounds (%struct.A* @c, i32 0, i32 0, i32 0), i8 0, i64 60, i32 1, i1 false)
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unreachable
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; CHECK: movq _c@TLVP(%rip), %rdi
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; CHECK-NEXT: callq *(%rdi)
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; CHECK-NEXT: movl $0, 56(%rax)
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; CHECK-NEXT: movq $0, 48(%rax)
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}
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; rdar://10291355
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define i32 @test() nounwind readonly ssp {
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entry:
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; CHECK: test:
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; CHECK: movq _a@TLVP(%rip),
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; CHECK: callq *
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; CHECK: movl (%rax), [[REGISTER:%[a-z]+]]
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; CHECK: movq _b@TLVP(%rip),
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; CHECK: callq *
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; CHECK: subl (%rax), [[REGISTER]]
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%0 = load i32* @a, align 4
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%1 = load i32* @b, align 4
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%sub = sub nsw i32 %0, %1
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ret i32 %sub
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}
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declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind
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@a = thread_local global i32 0 ; <i32*> [#uses=0]
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@b = thread_local global i32 0 ; <i32*> [#uses=0]
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; CHECK: .tbss _a$tlv$init, 4, 2
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; CHECK: .section __DATA,__thread_vars,thread_local_variables
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; CHECK: .globl _a
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; CHECK: _a:
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; CHECK: .quad __tlv_bootstrap
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; CHECK: .quad 0
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; CHECK: .quad _a$tlv$init
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; CHECK: .tbss _b$tlv$init, 4, 2
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; CHECK: .globl _b
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; CHECK: _b:
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; CHECK: .quad __tlv_bootstrap
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; CHECK: .quad 0
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; CHECK: .quad _b$tlv$init
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