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Diffstat (limited to 'test/CodeGen/X86/2008-03-12-ThreadLocalAlias.ll')
| -rw-r--r-- | test/CodeGen/X86/2008-03-12-ThreadLocalAlias.ll | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2008-03-12-ThreadLocalAlias.ll b/test/CodeGen/X86/2008-03-12-ThreadLocalAlias.ll new file mode 100644 index 000000000000..0f83b399ad7c --- /dev/null +++ b/test/CodeGen/X86/2008-03-12-ThreadLocalAlias.ll @@ -0,0 +1,37 @@ +; 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 +} |