New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27401 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/Alpha/2006-04-04-zextload.ll b/test/CodeGen/Alpha/2006-04-04-zextload.ll
new file mode 100644 (file)
index 0000000..055bc10
--- /dev/null
+++ b/test/CodeGen/Alpha/2006-04-04-zextload.ll
@@ -0,0 +1,36 @@
+; RUN: llvm-as < %s | llc -march=alpha
+
+target endian = little
+target pointersize = 64
+target triple = "alphaev67-unknown-linux-gnu"
+       %llvm.dbg.compile_unit.type = type { uint, {  }*, uint, uint, sbyte*, sbyte*, sbyte* }
+       %struct._Callback_list = type { %struct._Callback_list*, void (uint, %struct.ios_base*, int)*, int, int }
+       %struct._Impl = type { int, %struct.facet**, ulong, %struct.facet**, sbyte** }
+       %struct._Words = type { sbyte*, long }
+       "struct.__codecvt_abstract_base<char,char,__mbstate_t>" = type { %struct.facet }
+       "struct.basic_streambuf<char,std::char_traits<char> >" = type { int (...)**, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, %struct.locale }
+       %struct.facet = type { int (...)**, int }
+       %struct.ios_base = type { int (...)**, long, long, uint, uint, uint, %struct._Callback_list*, %struct._Words, [8 x %struct._Words], int, %struct._Words*, %struct.locale }
+       %struct.locale = type { %struct._Impl* }
+       "struct.ostreambuf_iterator<char,std::char_traits<char> >" = type { "struct.basic_streambuf<char,std::char_traits<char> >"*, bool }
+%llvm.dbg.compile_unit1047 = external global %llvm.dbg.compile_unit.type               ; <%llvm.dbg.compile_unit.type*> [#uses=1]
+
+implementation   ; Functions:
+
+void %_ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIdEES3_S3_RSt8ios_baseccT_() {
+entry:
+       %tmp234 = seteq sbyte 0, 0              ; <bool> [#uses=1]
+       br bool %tmp234, label %cond_next243, label %cond_true235
+
+cond_true235:          ; preds = %entry
+       ret void
+
+cond_next243:          ; preds = %entry
+       %tmp428 = load long* null               ; <long> [#uses=1]
+       %tmp428 = cast long %tmp428 to uint             ; <uint> [#uses=1]
+       %tmp429 = alloca sbyte, uint %tmp428            ; <sbyte*> [#uses=0]
+       call void %llvm.dbg.stoppoint( uint 1146, uint 0, {  }* cast (%llvm.dbg.compile_unit.type* %llvm.dbg.compile_unit1047 to {  }*) )
+       unreachable
+}
+
+declare void %llvm.dbg.stoppoint(uint, uint, {  }*)