2009-12-11-TLSNoRedZone.ll
3.09 KB
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; RUN: llc -relocation-model=pic < %s | FileCheck %s
; PR5723
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
%0 = type { [1 x i64] }
%link = type { %0* }
%test = type { i32, %link }
@data = global [2 x i64] zeroinitializer, align 64 ; <[2 x i64]*> [#uses=1]
@ptr = linkonce thread_local global [1 x i64] [i64 ptrtoint ([2 x i64]* @data to i64)], align 64 ; <[1 x i64]*> [#uses=1]
@link_ptr = linkonce thread_local global [1 x i64] zeroinitializer, align 64 ; <[1 x i64]*> [#uses=1]
@_dm_my_pe = external global [1 x i64], align 64 ; <[1 x i64]*> [#uses=0]
@_dm_pes_in_prog = external global [1 x i64], align 64 ; <[1 x i64]*> [#uses=0]
@_dm_npes_div_mult = external global [1 x i64], align 64 ; <[1 x i64]*> [#uses=0]
@_dm_npes_div_shift = external global [1 x i64], align 64 ; <[1 x i64]*> [#uses=0]
@_dm_pe_addr_loc = external global [1 x i64], align 64 ; <[1 x i64]*> [#uses=0]
@_dm_offset_addr_mask = external global [1 x i64], align 64 ; <[1 x i64]*> [#uses=0]
define void @leaf() nounwind {
; CHECK-LABEL: leaf:
; CHECK-NOT: -8(%rsp)
; CHECK: leaq link_ptr@TLSGD
; CHECK: callq __tls_get_addr@PLT
"file foo2.c, line 14, bb1":
%p = alloca %test*, align 8 ; <%test**> [#uses=4]
br label %"file foo2.c, line 14, bb2"
"file foo2.c, line 14, bb2": ; preds = %"file foo2.c, line 14, bb1"
br label %"@CFE_debug_label_0"
"@CFE_debug_label_0": ; preds = %"file foo2.c, line 14, bb2"
%r = load %test*, %test** bitcast ([1 x i64]* @ptr to %test**), align 8 ; <%test*> [#uses=1]
store %test* %r, %test** %p, align 8
br label %"@CFE_debug_label_2"
"@CFE_debug_label_2": ; preds = %"@CFE_debug_label_0"
%r1 = load %link*, %link** bitcast ([1 x i64]* @link_ptr to %link**), align 8 ; <%link*> [#uses=1]
%r2 = load %test*, %test** %p, align 8 ; <%test*> [#uses=1]
%r3 = ptrtoint %test* %r2 to i64 ; <i64> [#uses=1]
%r4 = inttoptr i64 %r3 to %link** ; <%link**> [#uses=1]
%r5 = getelementptr %link*, %link** %r4, i64 1 ; <%link**> [#uses=1]
store %link* %r1, %link** %r5, align 8
br label %"@CFE_debug_label_3"
"@CFE_debug_label_3": ; preds = %"@CFE_debug_label_2"
%r6 = load %test*, %test** %p, align 8 ; <%test*> [#uses=1]
%r7 = ptrtoint %test* %r6 to i64 ; <i64> [#uses=1]
%r8 = inttoptr i64 %r7 to %link* ; <%link*> [#uses=1]
%r9 = getelementptr %link, %link* %r8, i64 1 ; <%link*> [#uses=1]
store %link* %r9, %link** bitcast ([1 x i64]* @link_ptr to %link**), align 8
br label %"@CFE_debug_label_4"
"@CFE_debug_label_4": ; preds = %"@CFE_debug_label_3"
%r10 = load %test*, %test** %p, align 8 ; <%test*> [#uses=1]
%r11 = ptrtoint %test* %r10 to i64 ; <i64> [#uses=1]
%r12 = inttoptr i64 %r11 to i32* ; <i32*> [#uses=1]
store i32 1, i32* %r12, align 4
br label %"@CFE_debug_label_5"
"@CFE_debug_label_5": ; preds = %"@CFE_debug_label_4"
ret void
}