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25f7df1bce
prologue and epilogue if the adjustment is 8. Similarly, use pushl / popl if the adjustment is 4 in 32-bit mode. In the epilogue, takes care to pop to a caller-saved register that's not live at the exit (either return or tailcall instruction). rdar://8771137 llvm-svn: 122783
33 lines
836 B
LLVM
33 lines
836 B
LLVM
; RUN: llc < %s -mtriple x86_64-apple-darwin -O0 | FileCheck %s
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@b = thread_local global i32 5, align 4
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@a = thread_local global i32 0, align 4
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@c = internal thread_local global i32 0, align 4
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@d = internal thread_local global i32 5, align 4
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define void @foo() nounwind ssp {
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entry:
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store i32 1, i32* @a, align 4
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; CHECK: movq _a@TLVP(%rip), %rdi
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; CHECK: callq *(%rdi)
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; CHECK: movl $1, (%rax)
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store i32 2, i32* @b, align 4
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; CHECK: movq _b@TLVP(%rip), %rdi
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; CHECK: callq *(%rdi)
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; CHECK: movl $2, (%rax)
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store i32 3, i32* @c, align 4
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; CHECK: movq _c@TLVP(%rip), %rdi
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; CHECK: callq *(%rdi)
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; CHECK: movl $3, (%rax)
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store i32 4, i32* @d, align 4
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; CHECK: movq _d@TLVP(%rip), %rdi
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; CHECK: callq *(%rdi)
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; CHECK: movl $4, (%rax)
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; CHECK: popq
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ret void
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}
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