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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=sparc -relocation-model=pic < %s | FileCheck --check-prefix=SPARC %s
; RUN: llc -mtriple=sparc64 -relocation-model=pic < %s | FileCheck --check-prefix=SPARC64 %s
@x = external thread_local global i8
;; Test that we don't over-allocate stack space when calling __tls_get_addr
;; with the call frame pseudos able to be eliminated.
define ptr @no_alloca() nounwind {
; SPARC-LABEL: no_alloca:
; SPARC: ! %bb.0: ! %entry
; SPARC-NEXT: save %sp, -96, %sp
; SPARC-NEXT: .Ltmp0:
; SPARC-NEXT: call .Ltmp1
; SPARC-NEXT: .Ltmp2:
; SPARC-NEXT: sethi %hi(_GLOBAL_OFFSET_TABLE_+(.Ltmp2-.Ltmp0)), %i0
; SPARC-NEXT: .Ltmp1:
; SPARC-NEXT: or %i0, %lo(_GLOBAL_OFFSET_TABLE_+(.Ltmp1-.Ltmp0)), %i0
; SPARC-NEXT: add %i0, %o7, %i0
; SPARC-NEXT: sethi %tgd_hi22(x), %i1
; SPARC-NEXT: add %i1, %tgd_lo10(x), %i1
; SPARC-NEXT: add %i0, %i1, %o0, %tgd_add(x)
; SPARC-NEXT: call __tls_get_addr, %tgd_call(x)
; SPARC-NEXT: nop
; SPARC-NEXT: ret
; SPARC-NEXT: restore %g0, %o0, %o0
;
; SPARC64-LABEL: no_alloca:
; SPARC64: ! %bb.0: ! %entry
; SPARC64-NEXT: save %sp, -128, %sp
; SPARC64-NEXT: .Ltmp0:
; SPARC64-NEXT: rd %pc, %o7
; SPARC64-NEXT: .Ltmp2:
; SPARC64-NEXT: sethi %hi(_GLOBAL_OFFSET_TABLE_+(.Ltmp2-.Ltmp0)), %i0
; SPARC64-NEXT: .Ltmp1:
; SPARC64-NEXT: or %i0, %lo(_GLOBAL_OFFSET_TABLE_+(.Ltmp1-.Ltmp0)), %i0
; SPARC64-NEXT: add %i0, %o7, %i0
; SPARC64-NEXT: sethi %tgd_hi22(x), %i1
; SPARC64-NEXT: add %i1, %tgd_lo10(x), %i1
; SPARC64-NEXT: add %i0, %i1, %o0, %tgd_add(x)
; SPARC64-NEXT: call __tls_get_addr, %tgd_call(x)
; SPARC64-NEXT: nop
; SPARC64-NEXT: ret
; SPARC64-NEXT: restore %g0, %o0, %o0
entry:
%0 = call ptr @llvm.threadlocal.address.p0(ptr @x)
ret ptr %0
}
;; Test that %sp is valid for the call to __tls_get_addr. We store to a dynamic
;; alloca in order to prevent eliminating any call frame pseudos from the call.
define ptr @dynamic_alloca(i64 %n) nounwind {
; SPARC-LABEL: dynamic_alloca:
; SPARC: ! %bb.0: ! %entry
; SPARC-NEXT: save %sp, -96, %sp
; SPARC-NEXT: .Ltmp3:
; SPARC-NEXT: call .Ltmp4
; SPARC-NEXT: .Ltmp5:
; SPARC-NEXT: sethi %hi(_GLOBAL_OFFSET_TABLE_+(.Ltmp5-.Ltmp3)), %i0
; SPARC-NEXT: .Ltmp4:
; SPARC-NEXT: or %i0, %lo(_GLOBAL_OFFSET_TABLE_+(.Ltmp4-.Ltmp3)), %i0
; SPARC-NEXT: add %i0, %o7, %i0
; SPARC-NEXT: sethi %tgd_hi22(x), %i2
; SPARC-NEXT: add %i2, %tgd_lo10(x), %i2
; SPARC-NEXT: add %i0, %i2, %o0, %tgd_add(x)
; SPARC-NEXT: call __tls_get_addr, %tgd_call(x)
; SPARC-NEXT: nop
; SPARC-NEXT: add %i1, 7, %i0
; SPARC-NEXT: and %i0, -8, %i0
; SPARC-NEXT: sub %sp, %i0, %i0
; SPARC-NEXT: add %i0, -8, %sp
; SPARC-NEXT: mov 1, %i1
; SPARC-NEXT: stb %i1, [%i0+88]
; SPARC-NEXT: ret
; SPARC-NEXT: restore %g0, %o0, %o0
;
; SPARC64-LABEL: dynamic_alloca:
; SPARC64: ! %bb.0: ! %entry
; SPARC64-NEXT: save %sp, -128, %sp
; SPARC64-NEXT: .Ltmp3:
; SPARC64-NEXT: rd %pc, %o7
; SPARC64-NEXT: .Ltmp5:
; SPARC64-NEXT: sethi %hi(_GLOBAL_OFFSET_TABLE_+(.Ltmp5-.Ltmp3)), %i1
; SPARC64-NEXT: .Ltmp4:
; SPARC64-NEXT: or %i1, %lo(_GLOBAL_OFFSET_TABLE_+(.Ltmp4-.Ltmp3)), %i1
; SPARC64-NEXT: add %i1, %o7, %i1
; SPARC64-NEXT: sethi %tgd_hi22(x), %i2
; SPARC64-NEXT: add %i2, %tgd_lo10(x), %i2
; SPARC64-NEXT: add %i1, %i2, %o0, %tgd_add(x)
; SPARC64-NEXT: call __tls_get_addr, %tgd_call(x)
; SPARC64-NEXT: nop
; SPARC64-NEXT: add %i0, 15, %i0
; SPARC64-NEXT: and %i0, -16, %i0
; SPARC64-NEXT: sub %sp, %i0, %i0
; SPARC64-NEXT: mov %i0, %sp
; SPARC64-NEXT: mov 1, %i1
; SPARC64-NEXT: stb %i1, [%i0+2175]
; SPARC64-NEXT: ret
; SPARC64-NEXT: restore %g0, %o0, %o0
entry:
%0 = call ptr @llvm.threadlocal.address.p0(ptr @x)
%1 = alloca i8, i64 %n
store i8 1, ptr %1
ret ptr %0
}
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