; 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 }