vendor/llvm/llvm-r126079

3 files changed, 356 insertions, 0 deletions

diff --git a/test/Transforms/MergeFunc/2011-02-08-RemoveEqual.ll b/test/Transforms/MergeFunc/2011-02-08-RemoveEqual.ll
new file mode 100644
index 0000000000000..201903e995452
--- /dev/null
+++ b/test/Transforms/MergeFunc/2011-02-08-RemoveEqual.ll
@@ -0,0 +1,276 @@
+; RUN: opt -mergefunc %s -disable-output
+; This used to crash.
+
+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-n8:16:32"
+target triple = "i386-pc-linux-gnu"
+
+%"struct.kc::impl_Ccode_option" = type { %"struct.kc::impl_abstract_phylum" }
+%"struct.kc::impl_CexpressionDQ" = type { %"struct.kc::impl_Ccode_option", %"struct.kc::impl_Ccode_option"*, %"struct.kc::impl_CexpressionDQ"* }
+%"struct.kc::impl_Ctext" = type { %"struct.kc::impl_Ccode_option", i32, %"struct.kc::impl_casestring__Str"*, %"struct.kc::impl_Ctext_elem"*, %"struct.kc::impl_Ctext"* }
+%"struct.kc::impl_Ctext_elem" = type { %"struct.kc::impl_abstract_phylum", i32, %"struct.kc::impl_casestring__Str"* }
+%"struct.kc::impl_ID" = type { %"struct.kc::impl_abstract_phylum", %"struct.kc::impl_Ccode_option"*, %"struct.kc::impl_casestring__Str"*, i32, %"struct.kc::impl_casestring__Str"* }
+%"struct.kc::impl_abstract_phylum" = type { i32 (...)** }
+%"struct.kc::impl_ac_abstract_declarator_AcAbsdeclDirdecl" = type { %"struct.kc::impl_Ccode_option", %"struct.kc::impl_Ccode_option"*, %"struct.kc::impl_Ccode_option"* }
+%"struct.kc::impl_casestring__Str" = type { %"struct.kc::impl_abstract_phylum", i8* }
+%"struct.kc::impl_elem_patternrepresentation" = type { %"struct.kc::impl_abstract_phylum", i32, %"struct.kc::impl_casestring__Str"*, %"struct.kc::impl_ID"* }
+%"struct.kc::impl_fileline" = type { %"struct.kc::impl_abstract_phylum", %"struct.kc::impl_casestring__Str"*, i32 }
+%"struct.kc::impl_fileline_FileLine" = type { %"struct.kc::impl_fileline" }
+%"struct.kc::impl_outmostpatterns" = type { %"struct.kc::impl_Ccode_option", %"struct.kc::impl_elem_patternrepresentation"*, %"struct.kc::impl_outmostpatterns"* }
+%"struct.kc::impl_withcaseinfo_Withcaseinfo" = type { %"struct.kc::impl_Ccode_option", %"struct.kc::impl_outmostpatterns"*, %"struct.kc::impl_outmostpatterns"*, %"struct.kc::impl_Ctext"* }
+
+@_ZTVN2kc13impl_filelineE = external constant [13 x i32 (...)*], align 32
+@.str = external constant [1 x i8], align 1
+@_ZTVN2kc22impl_fileline_FileLineE = external constant [13 x i32 (...)*], align 32
+
+define void @_ZN2kc22impl_fileline_FileLineC2EPNS_20impl_casestring__StrEi(%"struct.kc::impl_fileline_FileLine"* %this, %"struct.kc::impl_casestring__Str"* %_file, i32 %_line) align 2 {
+entry:
+  %this_addr = alloca %"struct.kc::impl_fileline_FileLine"*, align 4
+  %_file_addr = alloca %"struct.kc::impl_casestring__Str"*, align 4
+  %_line_addr = alloca i32, align 4
+  %save_filt.150 = alloca i32
+  %save_eptr.149 = alloca i8*
+  %iftmp.99 = alloca %"struct.kc::impl_casestring__Str"*
+  %eh_exception = alloca i8*
+  %eh_selector = alloca i32
+  %"alloca point" = bitcast i32 0 to i32
+  store %"struct.kc::impl_fileline_FileLine"* %this, %"struct.kc::impl_fileline_FileLine"** %this_addr
+  store %"struct.kc::impl_casestring__Str"* %_file, %"struct.kc::impl_casestring__Str"** %_file_addr
+  store i32 %_line, i32* %_line_addr
+  %0 = load %"struct.kc::impl_fileline_FileLine"** %this_addr, align 4
+  %1 = getelementptr inbounds %"struct.kc::impl_fileline_FileLine"* %0, i32 0, i32 0
+  call void @_ZN2kc13impl_filelineC2Ev() nounwind
+  %2 = load %"struct.kc::impl_fileline_FileLine"** %this_addr, align 4
+  %3 = getelementptr inbounds %"struct.kc::impl_fileline_FileLine"* %2, i32 0, i32 0
+  %4 = getelementptr inbounds %"struct.kc::impl_fileline"* %3, i32 0, i32 0
+  %5 = getelementptr inbounds %"struct.kc::impl_abstract_phylum"* %4, i32 0, i32 0
+  store i32 (...)** getelementptr inbounds ([13 x i32 (...)*]* @_ZTVN2kc22impl_fileline_FileLineE, i32 0, i32 2), i32 (...)*** %5, align 4
+  %6 = load %"struct.kc::impl_casestring__Str"** %_file_addr, align 4
+  %7 = icmp eq %"struct.kc::impl_casestring__Str"* %6, null
+  br i1 %7, label %bb, label %bb1
+
+bb:                                               ; preds = %entry
+  %8 = invoke %"struct.kc::impl_casestring__Str"* @_ZN2kc12mkcasestringEPKci()
+          to label %invcont unwind label %lpad
+
+invcont:                                          ; preds = %bb
+  store %"struct.kc::impl_casestring__Str"* %8, %"struct.kc::impl_casestring__Str"** %iftmp.99, align 4
+  br label %bb2
+
+bb1:                                              ; preds = %entry
+  %9 = load %"struct.kc::impl_casestring__Str"** %_file_addr, align 4
+  store %"struct.kc::impl_casestring__Str"* %9, %"struct.kc::impl_casestring__Str"** %iftmp.99, align 4
+  br label %bb2
+
+bb2:                                              ; preds = %bb1, %invcont
+  %10 = load %"struct.kc::impl_fileline_FileLine"** %this_addr, align 4
+  %11 = getelementptr inbounds %"struct.kc::impl_fileline_FileLine"* %10, i32 0, i32 0
+  %12 = getelementptr inbounds %"struct.kc::impl_fileline"* %11, i32 0, i32 1
+  %13 = load %"struct.kc::impl_casestring__Str"** %iftmp.99, align 4
+  store %"struct.kc::impl_casestring__Str"* %13, %"struct.kc::impl_casestring__Str"** %12, align 4
+  %14 = load %"struct.kc::impl_fileline_FileLine"** %this_addr, align 4
+  %15 = getelementptr inbounds %"struct.kc::impl_fileline_FileLine"* %14, i32 0, i32 0
+  %16 = getelementptr inbounds %"struct.kc::impl_fileline"* %15, i32 0, i32 2
+  %17 = load i32* %_line_addr, align 4
+  store i32 %17, i32* %16, align 4
+  ret void
+
+lpad:                                             ; preds = %bb
+  %eh_ptr = call i8* @llvm.eh.exception()
+  store i8* %eh_ptr, i8** %eh_exception
+  %eh_ptr4 = load i8** %eh_exception
+  %eh_select5 = call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* %eh_ptr4, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i32 0)
+  store i32 %eh_select5, i32* %eh_selector
+  %eh_select = load i32* %eh_selector
+  store i32 %eh_select, i32* %save_filt.150, align 4
+  %eh_value = load i8** %eh_exception
+  store i8* %eh_value, i8** %save_eptr.149, align 4
+  %18 = load %"struct.kc::impl_fileline_FileLine"** %this_addr, align 4
+  %19 = bitcast %"struct.kc::impl_fileline_FileLine"* %18 to %"struct.kc::impl_fileline"*
+  call void @_ZN2kc13impl_filelineD2Ev(%"struct.kc::impl_fileline"* %19) nounwind
+  %20 = load i8** %save_eptr.149, align 4
+  store i8* %20, i8** %eh_exception, align 4
+  %21 = load i32* %save_filt.150, align 4
+  store i32 %21, i32* %eh_selector, align 4
+  %eh_ptr6 = load i8** %eh_exception
+  call void @_Unwind_Resume_or_Rethrow()
+  unreachable
+}
+
+declare void @_ZN2kc13impl_filelineC2Ev() nounwind align 2
+
+define void @_ZN2kc13impl_filelineD1Ev(%"struct.kc::impl_fileline"* %this) nounwind align 2 {
+entry:
+  %this_addr = alloca %"struct.kc::impl_fileline"*, align 4
+  %"alloca point" = bitcast i32 0 to i32
+  store %"struct.kc::impl_fileline"* %this, %"struct.kc::impl_fileline"** %this_addr
+  %0 = load %"struct.kc::impl_fileline"** %this_addr, align 4
+  %1 = getelementptr inbounds %"struct.kc::impl_fileline"* %0, i32 0, i32 0
+  %2 = getelementptr inbounds %"struct.kc::impl_abstract_phylum"* %1, i32 0, i32 0
+  store i32 (...)** getelementptr inbounds ([13 x i32 (...)*]* @_ZTVN2kc13impl_filelineE, i32 0, i32 2), i32 (...)*** %2, align 4
+  %3 = trunc i32 0 to i8
+  %toBool = icmp ne i8 %3, 0
+  br i1 %toBool, label %bb1, label %return
+
+bb1:                                              ; preds = %entry
+  %4 = load %"struct.kc::impl_fileline"** %this_addr, align 4
+  %5 = bitcast %"struct.kc::impl_fileline"* %4 to i8*
+  call void @_ZdlPv() nounwind
+  br label %return
+
+return:                                           ; preds = %bb1, %entry
+  ret void
+}
+
+declare void @_ZdlPv() nounwind
+
+define void @_ZN2kc13impl_filelineD2Ev(%"struct.kc::impl_fileline"* %this) nounwind align 2 {
+entry:
+  %this_addr = alloca %"struct.kc::impl_fileline"*, align 4
+  %"alloca point" = bitcast i32 0 to i32
+  store %"struct.kc::impl_fileline"* %this, %"struct.kc::impl_fileline"** %this_addr
+  %0 = load %"struct.kc::impl_fileline"** %this_addr, align 4
+  %1 = getelementptr inbounds %"struct.kc::impl_fileline"* %0, i32 0, i32 0
+  %2 = getelementptr inbounds %"struct.kc::impl_abstract_phylum"* %1, i32 0, i32 0
+  store i32 (...)** getelementptr inbounds ([13 x i32 (...)*]* @_ZTVN2kc13impl_filelineE, i32 0, i32 2), i32 (...)*** %2, align 4
+  %3 = trunc i32 0 to i8
+  %toBool = icmp ne i8 %3, 0
+  br i1 %toBool, label %bb1, label %return
+
+bb1:                                              ; preds = %entry
+  %4 = load %"struct.kc::impl_fileline"** %this_addr, align 4
+  %5 = bitcast %"struct.kc::impl_fileline"* %4 to i8*
+  call void @_ZdlPv() nounwind
+  br label %return
+
+return:                                           ; preds = %bb1, %entry
+  ret void
+}
+
+define void @_ZN2kc22impl_fileline_FileLineC1EPNS_20impl_casestring__StrEi(%"struct.kc::impl_fileline_FileLine"* %this, %"struct.kc::impl_casestring__Str"* %_file, i32 %_line) align 2 {
+entry:
+  %this_addr = alloca %"struct.kc::impl_fileline_FileLine"*, align 4
+  %_file_addr = alloca %"struct.kc::impl_casestring__Str"*, align 4
+  %_line_addr = alloca i32, align 4
+  %save_filt.148 = alloca i32
+  %save_eptr.147 = alloca i8*
+  %iftmp.99 = alloca %"struct.kc::impl_casestring__Str"*
+  %eh_exception = alloca i8*
+  %eh_selector = alloca i32
+  %"alloca point" = bitcast i32 0 to i32
+  store %"struct.kc::impl_fileline_FileLine"* %this, %"struct.kc::impl_fileline_FileLine"** %this_addr
+  store %"struct.kc::impl_casestring__Str"* %_file, %"struct.kc::impl_casestring__Str"** %_file_addr
+  store i32 %_line, i32* %_line_addr
+  %0 = load %"struct.kc::impl_fileline_FileLine"** %this_addr, align 4
+  %1 = getelementptr inbounds %"struct.kc::impl_fileline_FileLine"* %0, i32 0, i32 0
+  call void @_ZN2kc13impl_filelineC2Ev() nounwind
+  %2 = load %"struct.kc::impl_fileline_FileLine"** %this_addr, align 4
+  %3 = getelementptr inbounds %"struct.kc::impl_fileline_FileLine"* %2, i32 0, i32 0
+  %4 = getelementptr inbounds %"struct.kc::impl_fileline"* %3, i32 0, i32 0
+  %5 = getelementptr inbounds %"struct.kc::impl_abstract_phylum"* %4, i32 0, i32 0
+  store i32 (...)** getelementptr inbounds ([13 x i32 (...)*]* @_ZTVN2kc22impl_fileline_FileLineE, i32 0, i32 2), i32 (...)*** %5, align 4
+  %6 = load %"struct.kc::impl_casestring__Str"** %_file_addr, align 4
+  %7 = icmp eq %"struct.kc::impl_casestring__Str"* %6, null
+  br i1 %7, label %bb, label %bb1
+
+bb:                                               ; preds = %entry
+  %8 = invoke %"struct.kc::impl_casestring__Str"* @_ZN2kc12mkcasestringEPKci()
+          to label %invcont unwind label %lpad
+
+invcont:                                          ; preds = %bb
+  store %"struct.kc::impl_casestring__Str"* %8, %"struct.kc::impl_casestring__Str"** %iftmp.99, align 4
+  br label %bb2
+
+bb1:                                              ; preds = %entry
+  %9 = load %"struct.kc::impl_casestring__Str"** %_file_addr, align 4
+  store %"struct.kc::impl_casestring__Str"* %9, %"struct.kc::impl_casestring__Str"** %iftmp.99, align 4
+  br label %bb2
+
+bb2:                                              ; preds = %bb1, %invcont
+  %10 = load %"struct.kc::impl_fileline_FileLine"** %this_addr, align 4
+  %11 = getelementptr inbounds %"struct.kc::impl_fileline_FileLine"* %10, i32 0, i32 0
+  %12 = getelementptr inbounds %"struct.kc::impl_fileline"* %11, i32 0, i32 1
+  %13 = load %"struct.kc::impl_casestring__Str"** %iftmp.99, align 4
+  store %"struct.kc::impl_casestring__Str"* %13, %"struct.kc::impl_casestring__Str"** %12, align 4
+  %14 = load %"struct.kc::impl_fileline_FileLine"** %this_addr, align 4
+  %15 = getelementptr inbounds %"struct.kc::impl_fileline_FileLine"* %14, i32 0, i32 0
+  %16 = getelementptr inbounds %"struct.kc::impl_fileline"* %15, i32 0, i32 2
+  %17 = load i32* %_line_addr, align 4
+  store i32 %17, i32* %16, align 4
+  ret void
+
+lpad:                                             ; preds = %bb
+  %eh_ptr = call i8* @llvm.eh.exception()
+  store i8* %eh_ptr, i8** %eh_exception
+  %eh_ptr4 = load i8** %eh_exception
+  %eh_select5 = call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* %eh_ptr4, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i32 0)
+  store i32 %eh_select5, i32* %eh_selector
+  %eh_select = load i32* %eh_selector
+  store i32 %eh_select, i32* %save_filt.148, align 4
+  %eh_value = load i8** %eh_exception
+  store i8* %eh_value, i8** %save_eptr.147, align 4
+  %18 = load %"struct.kc::impl_fileline_FileLine"** %this_addr, align 4
+  %19 = bitcast %"struct.kc::impl_fileline_FileLine"* %18 to %"struct.kc::impl_fileline"*
+  call void @_ZN2kc13impl_filelineD2Ev(%"struct.kc::impl_fileline"* %19) nounwind
+  %20 = load i8** %save_eptr.147, align 4
+  store i8* %20, i8** %eh_exception, align 4
+  %21 = load i32* %save_filt.148, align 4
+  store i32 %21, i32* %eh_selector, align 4
+  %eh_ptr6 = load i8** %eh_exception
+  call void @_Unwind_Resume_or_Rethrow()
+  unreachable
+}
+
+declare i8* @llvm.eh.exception() nounwind readonly
+
+declare i32 @llvm.eh.selector(i8*, i8*, ...) nounwind
+
+declare i32 @__gxx_personality_v0(...)
+
+declare void @_Unwind_Resume_or_Rethrow()
+
+define void @_ZN2kc21printer_functor_classC2Ev(%"struct.kc::impl_abstract_phylum"* %this) nounwind align 2 {
+entry:
+  unreachable
+}
+
+define %"struct.kc::impl_Ccode_option"* @_ZN2kc11phylum_castIPNS_17impl_withcaseinfoES1_EET_PT0_(%"struct.kc::impl_Ccode_option"* %t) nounwind {
+entry:
+  ret %"struct.kc::impl_Ccode_option"* null
+}
+
+define %"struct.kc::impl_abstract_phylum"* @_ZNK2kc43impl_ac_direct_declarator_AcDirectDeclProto9subphylumEi(%"struct.kc::impl_ac_abstract_declarator_AcAbsdeclDirdecl"* %this, i32 %no) nounwind align 2 {
+entry:
+  ret %"struct.kc::impl_abstract_phylum"* undef
+}
+
+define void @_ZN2kc30impl_withcaseinfo_WithcaseinfoD0Ev(%"struct.kc::impl_withcaseinfo_Withcaseinfo"* %this) nounwind align 2 {
+entry:
+  unreachable
+}
+
+define void @_ZN2kc30impl_withcaseinfo_WithcaseinfoC1EPNS_26impl_patternrepresentationES2_PNS_10impl_CtextE(%"struct.kc::impl_withcaseinfo_Withcaseinfo"* %this, %"struct.kc::impl_outmostpatterns"* %_patternrepresentation_1, %"struct.kc::impl_outmostpatterns"* %_patternrepresentation_2, %"struct.kc::impl_Ctext"* %_Ctext_1) nounwind align 2 {
+entry:
+  unreachable
+}
+
+define void @_ZN2kc21impl_rewriteviewsinfoC2EPNS_20impl_rewriteviewinfoEPS0_(%"struct.kc::impl_CexpressionDQ"* %this, %"struct.kc::impl_Ccode_option"* %p1, %"struct.kc::impl_CexpressionDQ"* %p2) nounwind align 2 {
+entry:
+  unreachable
+}
+
+define %"struct.kc::impl_Ctext_elem"* @_ZN2kc11phylum_castIPNS_9impl_termENS_20impl_abstract_phylumEEET_PT0_(%"struct.kc::impl_abstract_phylum"* %t) nounwind {
+entry:
+  unreachable
+}
+
+define void @_ZN2kc27impl_ac_parameter_type_listD2Ev(%"struct.kc::impl_Ccode_option"* %this) nounwind align 2 {
+entry:
+  ret void
+}
+
+define void @_ZN2kc21impl_ac_operator_nameD2Ev(%"struct.kc::impl_Ctext_elem"* %this) nounwind align 2 {
+entry:
+  ret void
+}
+
+declare %"struct.kc::impl_casestring__Str"* @_ZN2kc12mkcasestringEPKci()
diff --git a/test/Transforms/MergeFunc/fold-weak.ll b/test/Transforms/MergeFunc/fold-weak.ll
index e12473125c785..23e4d33c3a9f5 100644
--- a/test/Transforms/MergeFunc/fold-weak.ll
+++ b/test/Transforms/MergeFunc/fold-weak.ll
@@ -1,6 +1,10 @@
 ; RUN: opt < %s -mergefunc -S > %t
 ; RUN: grep {define weak} %t | count 2
 ; RUN: grep {call} %t | count 2
+; XFAIL: *
+
+; This test is off for a bit as we change this particular sort of folding to
+; only apply on ELF systems and not Mach-O systems.
 
 define weak i32 @sum(i32 %x, i32 %y) {
   %sum = add i32 %x, %y
diff --git a/test/Transforms/MergeFunc/vector.ll b/test/Transforms/MergeFunc/vector.ll
new file mode 100644
index 0000000000000..6954fcec3daf6
--- /dev/null
+++ b/test/Transforms/MergeFunc/vector.ll
@@ -0,0 +1,76 @@
+; RUN: opt -mergefunc -stats -disable-output < %s |& grep {functions merged}
+
+; This test is checks whether we can merge
+;   vector<intptr_t>::push_back(0)
+; and
+;   vector<void *>::push_back(0)
+; .
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
+target triple = "x86_64-unknown-linux-gnu"
+
+%0 = type { i32, void ()* }
+%1 = type { i64, i1 }
+%"class.std::vector" = type { [24 x i8] }
+
+@vi = global %"class.std::vector" zeroinitializer, align 8
+@__dso_handle = external unnamed_addr global i8*
+@vp = global %"class.std::vector" zeroinitializer, align 8
+@llvm.global_ctors = appending global [1 x %0] [%0 { i32 65535, void ()* @_GLOBAL__I_a }]
+
+define linkonce_odr void @_ZNSt6vectorIlSaIlEED1Ev(%"class.std::vector"* nocapture %this) unnamed_addr align 2 {
+entry:
+  %tmp2.i.i = bitcast %"class.std::vector"* %this to i64**
+  %tmp3.i.i = load i64** %tmp2.i.i, align 8, !tbaa !0
+  %tobool.i.i.i = icmp eq i64* %tmp3.i.i, null
+  br i1 %tobool.i.i.i, label %_ZNSt6vectorIlSaIlEED2Ev.exit, label %if.then.i.i.i
+
+if.then.i.i.i:                                    ; preds = %entry
+  %0 = bitcast i64* %tmp3.i.i to i8*
+  tail call void @_ZdlPv(i8* %0) nounwind
+  ret void
+
+_ZNSt6vectorIlSaIlEED2Ev.exit:                    ; preds = %entry
+  ret void
+}
+
+declare i32 @__cxa_atexit(void (i8*)*, i8*, i8*)
+
+define linkonce_odr void @_ZNSt6vectorIPvSaIS0_EED1Ev(%"class.std::vector"* nocapture %this) unnamed_addr align 2 {
+entry:
+  %tmp2.i.i = bitcast %"class.std::vector"* %this to i8***
+  %tmp3.i.i = load i8*** %tmp2.i.i, align 8, !tbaa !0
+  %tobool.i.i.i = icmp eq i8** %tmp3.i.i, null
+  br i1 %tobool.i.i.i, label %_ZNSt6vectorIPvSaIS0_EED2Ev.exit, label %if.then.i.i.i
+
+if.then.i.i.i:                                    ; preds = %entry
+  %0 = bitcast i8** %tmp3.i.i to i8*
+  tail call void @_ZdlPv(i8* %0) nounwind
+  ret void
+
+_ZNSt6vectorIPvSaIS0_EED2Ev.exit:                 ; preds = %entry
+  ret void
+}
+
+declare void @_Z1fv()
+
+declare void @_ZNSt6vectorIPvSaIS0_EE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPS0_S2_EERKS0_(%"class.std::vector"* nocapture %this, i8** %__position.coerce, i8** nocapture %__x) align 2
+
+declare void @_ZdlPv(i8*) nounwind
+
+declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
+
+declare void @_ZSt17__throw_bad_allocv() noreturn
+
+declare noalias i8* @_Znwm(i64)
+
+declare void @_ZNSt6vectorIlSaIlEE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPlS1_EERKl(%"class.std::vector"* nocapture %this, i64* %__position.coerce, i64* nocapture %__x) align 2
+
+declare void @_GLOBAL__I_a()
+
+declare %1 @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone
+
+!0 = metadata !{metadata !"any pointer", metadata !1}
+!1 = metadata !{metadata !"omnipotent char", metadata !2}
+!2 = metadata !{metadata !"Simple C/C++ TBAA", null}
+!3 = metadata !{metadata !"long", metadata !1}