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Testcase for PR2137 

llvm-svn: 48258
This commit is contained in:
Anton Korobeynikov 2008-03-11 22:43:42 +00:00
parent e8fa50f63a
commit 80b53b8f6b
1 changed files with 37 additions and 0 deletions
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37
llvm/test/CodeGen/X86/2008-03-12-ThreadLocalAlias.ll Normal file
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; RUN: llvm-as < %s | llc -relocation-model=pic | grep TLSGD | count 2
; PR2137
; ModuleID = '1.c'
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32"
target triple = "i386-pc-linux-gnu"
%struct.__res_state = type { i32 }
@__resp = thread_local global %struct.__res_state* @_res ; <%struct.__res_state**> [#uses=1]
@_res = global %struct.__res_state zeroinitializer, section ".bss" ; <%struct.__res_state*> [#uses=1]
@__libc_resp = hidden alias %struct.__res_state** @__resp ; <%struct.__res_state**> [#uses=2]
define i32 @foo() {
entry:
%retval = alloca i32 ; <i32*> [#uses=1]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%tmp = load %struct.__res_state** @__libc_resp, align 4 ; <%struct.__res_state*> [#uses=1]
%tmp1 = getelementptr %struct.__res_state* %tmp, i32 0, i32 0 ; <i32*> [#uses=1]
store i32 0, i32* %tmp1, align 4
br label %return
return: ; preds = %entry
%retval2 = load i32* %retval ; <i32> [#uses=1]
ret i32 %retval2
}
define i32 @bar() {
entry:
%retval = alloca i32 ; <i32*> [#uses=1]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%tmp = load %struct.__res_state** @__libc_resp, align 4 ; <%struct.__res_state*> [#uses=1]
%tmp1 = getelementptr %struct.__res_state* %tmp, i32 0, i32 0 ; <i32*> [#uses=1]
store i32 1, i32* %tmp1, align 4
br label %return
return: ; preds = %entry
%retval2 = load i32* %retval ; <i32> [#uses=1]
ret i32 %retval2
}