Rebased PNaCl localmods in LLVM to 223109

test/Transforms/NaCl/expand-tls-aligned.ll

+; RUN: opt < %s -nacl-expand-tls -S | FileCheck %s
+
+target datalayout = "p:32:32:32"
+
+
+@var = global i32 123
+
+; Put this first to check that the pass handles BSS variables last.
+@bss_tvar_aligned = thread_local global i32 0, align 64
+
+@tvar1 = thread_local global i16 234
+; Test a pointer to check we are getting the right pointer size.
+@tvar2 = thread_local global i32* @var
+@tvar_aligned = thread_local global i8 99, align 32
+
+
+; CHECK: %tls_init_template = type <{ i16, [2 x i8], i32*, [24 x i8], i8 }>
+; CHECK: %tls_struct = type <{ %tls_init_template, %tls_bss_template }>
+
+; This struct type must be "packed" because the 31 byte padding here
+; is followed by an i32.
+; CHECK: %tls_bss_template = type <{ [31 x i8], i32, [60 x i8] }>
+
+; CHECK: @__tls_template_start = internal constant %tls_init_template <{ i16 234, [2 x i8] zeroinitializer, i32* @var, [24 x i8] zeroinitializer, i8 99 }>
+
+; CHECK: @__tls_template_alignment = internal constant i32 64
+
+
+; Create references to __tls_template_* to keep these live, otherwise
+; the definition of %tls_struct (which we check for above) is removed
+; from the output.
+
+@__tls_template_tdata_end = external global i8
+@__tls_template_end = external global i8
+
+define i8* @get_tls_template_tdata_end() {
+  ret i8* @__tls_template_tdata_end
+}
+
+define i8* @get_tls_template_end() {
+  ret i8* @__tls_template_end
+}