vendor/llvm/llvm-r73340

20 files changed, 500 insertions, 12 deletions

diff --git a/test/Bitcode/2009-06-11-FirstClassAggregateConstant.ll b/test/Bitcode/2009-06-11-FirstClassAggregateConstant.ll
new file mode 100644
index 0000000000000..415f88e163748
--- /dev/null
+++ b/test/Bitcode/2009-06-11-FirstClassAggregateConstant.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | llvm-dis -disable-output
+; PR4373
+
+@foo = weak global { i32 } zeroinitializer              
+@bar = weak global i32 0                
+
+define void @test() {
+entry:
+        store { i32 } zeroinitializer, { i32 }* @foo
+        store i32 1, i32* @bar
+        ret void
+}
diff --git a/test/BugPoint/misopt-basictest.ll b/test/BugPoint/misopt-basictest.ll
index 11cc2ae7995ed..462a637c2c2d5 100644
--- a/test/BugPoint/misopt-basictest.ll
+++ b/test/BugPoint/misopt-basictest.ll
@@ -1,4 +1,7 @@
 ; RUN: bugpoint %s -dce -bugpoint-deletecalls -simplifycfg -silence-passes %bugpoint_topts
+; XFAIL: powerpc-.*-linux
+; END.
+; Failure on PPC Linux is due to PR4293.
 
 @.LC0 = internal global [13 x i8] c"Hello World\0A\00"          ; <[13 x i8]*> [#uses=1]
 
diff --git a/test/CodeGen/ARM/2009-06-12-RegScavengerAssert.ll b/test/CodeGen/ARM/2009-06-12-RegScavengerAssert.ll
new file mode 100644
index 0000000000000..45b4bd48f5161
--- /dev/null
+++ b/test/CodeGen/ARM/2009-06-12-RegScavengerAssert.ll
@@ -0,0 +1,77 @@
+; RUN: llvm-as < %s | llc -mtriple=armv6-apple-darwin
+
+	type { i32, i32, %struct.D_Sym**, [3 x %struct.D_Sym*] }		; type %0
+	type { i32, %struct.D_Reduction** }		; type %1
+	type { i32, %struct.D_RightEpsilonHint* }		; type %2
+	type { i32, %struct.D_ErrorRecoveryHint* }		; type %3
+	type { i32, i32, %struct.D_Reduction**, [3 x %struct.D_Reduction*] }		; type %4
+	%struct.D_ErrorRecoveryHint = type { i16, i16, i8* }
+	%struct.D_ParseNode = type { i32, %struct.d_loc_t, i8*, i8*, %struct.D_Scope*, void (%struct.D_Parser*, %struct.d_loc_t*, i8**)*, i8*, i8* }
+	%struct.D_Parser = type { i8*, void (%struct.D_Parser*, %struct.d_loc_t*, i8**)*, %struct.D_Scope*, void (%struct.D_Parser*)*, %struct.D_ParseNode* (%struct.D_Parser*, i32, %struct.D_ParseNode**)*, void (%struct.D_ParseNode*)*, %struct.d_loc_t, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 }
+	%struct.D_ParserTables = type { i32, %struct.D_State*, i16*, i32, i32, %struct.D_Symbol*, void (%struct.D_Parser*, %struct.d_loc_t*, i8**)*, i32, %struct.D_Pass*, i32 }
+	%struct.D_Pass = type { i8*, i32, i32, i32 }
+	%struct.D_Reduction = type { i16, i16, i32 (i8*, i8**, i32, i32, %struct.D_Parser*)*, i32 (i8*, i8**, i32, i32, %struct.D_Parser*)*, i16, i16, i32, i32, i32, i32, i32 (i8*, i8**, i32, i32, %struct.D_Parser*)** }
+	%struct.D_RightEpsilonHint = type { i16, i16, %struct.D_Reduction* }
+	%struct.D_Scope = type { i8, %struct.D_Sym*, %struct.D_SymHash*, %struct.D_Sym*, %struct.D_Scope*, %struct.D_Scope*, %struct.D_Scope*, %struct.D_Scope*, %struct.D_Scope* }
+	%struct.D_Shift = type { i16, i8, i8, i32, i32, i32 (i8*, i8**, i32, i32, %struct.D_Parser*)* }
+	%struct.D_State = type { i8*, i32, %1, %2, %3, %struct.D_Shift**, i32 (i8**, i32*, i32*, i16*, i32*, i8*, i32*)*, i8*, i8, i8, i8, i8*, %struct.D_Shift***, i32 }
+	%struct.D_Sym = type { i8*, i32, i32, %struct.D_Sym*, %struct.D_Sym*, i32 }
+	%struct.D_SymHash = type { i32, i32, %0 }
+	%struct.D_Symbol = type { i32, i8*, i32 }
+	%struct.PNode = type { i32, i32, i32, i32, %struct.D_Reduction*, %struct.D_Shift*, i32, %struct.VecPNode, i32, i8, i8, %struct.PNode*, %struct.PNode*, %struct.PNode*, %struct.PNode*, i8*, i8*, %struct.D_Scope*, i8*, %struct.D_ParseNode }
+	%struct.PNodeHash = type { %struct.PNode**, i32, i32, i32, %struct.PNode* }
+	%struct.Parser = type { %struct.D_Parser, i8*, i8*, %struct.D_ParserTables*, i32, i32, i32, i32, i32, i32, i32, %struct.PNodeHash, %struct.SNodeHash, %struct.Reduction*, %struct.Shift*, %struct.D_Scope*, %struct.SNode*, i32, %struct.Reduction*, %struct.Shift*, i32, %struct.PNode*, %struct.SNode*, %struct.ZNode*, %4, %struct.ShiftResult*, %struct.D_Shift, %struct.Parser*, i8* }
+	%struct.Reduction = type { %struct.ZNode*, %struct.SNode*, %struct.D_Reduction*, %struct.SNode*, i32, %struct.Reduction* }
+	%struct.SNode = type { %struct.D_State*, %struct.D_Scope*, i8*, %struct.d_loc_t, i32, %struct.PNode*, %struct.VecZNode, i32, %struct.SNode*, %struct.SNode* }
+	%struct.SNodeHash = type { %struct.SNode**, i32, i32, i32, %struct.SNode*, %struct.SNode* }
+	%struct.Shift = type { %struct.SNode*, %struct.Shift* }
+	%struct.ShiftResult = type { %struct.D_Shift*, %struct.d_loc_t }
+	%struct.VecPNode = type { i32, i32, %struct.PNode**, [3 x %struct.PNode*] }
+	%struct.VecSNode = type { i32, i32, %struct.SNode**, [3 x %struct.SNode*] }
+	%struct.VecZNode = type { i32, i32, %struct.ZNode**, [3 x %struct.ZNode*] }
+	%struct.ZNode = type { %struct.PNode*, %struct.VecSNode }
+	%struct.d_loc_t = type { i8*, i8*, i32, i32, i32 }
+
+declare void @llvm.memcpy.i32(i8* nocapture, i8* nocapture, i32, i32) nounwind
+
+define fastcc i32 @exhaustive_parse(%struct.Parser* %p, i32 %state) nounwind {
+entry:
+	store i8* undef, i8** undef, align 4
+	%0 = getelementptr %struct.Parser* %p, i32 0, i32 0, i32 6		; <%struct.d_loc_t*> [#uses=1]
+	%1 = bitcast %struct.d_loc_t* %0 to i8*		; <i8*> [#uses=1]
+	call void @llvm.memcpy.i32(i8* undef, i8* %1, i32 20, i32 4)
+	br label %bb10
+
+bb10:		; preds = %bb30, %bb29, %bb26, %entry
+	br i1 undef, label %bb18, label %bb20
+
+bb18:		; preds = %bb10
+	br i1 undef, label %bb20, label %bb19
+
+bb19:		; preds = %bb18
+	br label %bb20
+
+bb20:		; preds = %bb19, %bb18, %bb10
+	br i1 undef, label %bb21, label %bb22
+
+bb21:		; preds = %bb20
+	unreachable
+
+bb22:		; preds = %bb20
+	br i1 undef, label %bb24, label %bb26
+
+bb24:		; preds = %bb22
+	unreachable
+
+bb26:		; preds = %bb22
+	br i1 undef, label %bb10, label %bb29
+
+bb29:		; preds = %bb26
+	br i1 undef, label %bb10, label %bb30
+
+bb30:		; preds = %bb29
+	br i1 undef, label %bb31, label %bb10
+
+bb31:		; preds = %bb30
+	unreachable
+}
diff --git a/test/CodeGen/ARM/arguments_f64_backfill.ll b/test/CodeGen/ARM/arguments_f64_backfill.ll
new file mode 100644
index 0000000000000..07d928abe81f9
--- /dev/null
+++ b/test/CodeGen/ARM/arguments_f64_backfill.ll
@@ -0,0 +1,8 @@
+; RUN: llvm-as < %s | llc -mtriple=arm-linux-gnueabi -mattr=+vfp2 -float-abi=hard | grep {fcpys s0, s1}
+
+define float @f(float %z, double %a, float %b) {
+        %tmp = call float @g(float %b)
+        ret float %tmp
+}
+
+declare float @g(float)
diff --git a/test/CodeGen/ARM/lsr-code-insertion.ll b/test/CodeGen/ARM/lsr-code-insertion.ll
index 0a9227982d4d4..3881e91453b47 100644
--- a/test/CodeGen/ARM/lsr-code-insertion.ll
+++ b/test/CodeGen/ARM/lsr-code-insertion.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | llc -stats |& grep {40.*Number of machine instrs printed}
+; RUN: llvm-as < %s | llc -stats |& grep {39.*Number of machine instrs printed}
 ; RUN: llvm-as < %s | llc -stats |& grep {.*Number of re-materialization}
 ; This test really wants to check that the resultant "cond_true" block only 
 ; has a single store in it, and that cond_true55 only has code to materialize 
diff --git a/test/CodeGen/ARM/stm.ll b/test/CodeGen/ARM/stm.ll
new file mode 100644
index 0000000000000..585645b021491
--- /dev/null
+++ b/test/CodeGen/ARM/stm.ll
@@ -0,0 +1,13 @@
+; RUN: llvm-as < %s | llc -mtriple=arm-apple-darwin -mattr=+v6,+vfp2 -arm-pre-alloc-loadstore-opti | grep stm | count 2
+
+@"\01LC" = internal constant [32 x i8] c"Boolean Not: %d %d %d %d %d %d\0A\00", section "__TEXT,__cstring,cstring_literals"		; <[32 x i8]*> [#uses=1]
+@"\01LC1" = internal constant [26 x i8] c"Bitwise Not: %d %d %d %d\0A\00", section "__TEXT,__cstring,cstring_literals"		; <[26 x i8]*> [#uses=1]
+
+declare i32 @printf(i8* nocapture, ...) nounwind
+
+define i32 @main() nounwind {
+entry:
+	%0 = tail call i32 (i8*, ...)* @printf(i8* getelementptr ([26 x i8]* @"\01LC1", i32 0, i32 0), i32 -2, i32 -3, i32 2, i32 -6) nounwind		; <i32> [#uses=0]
+	%1 = tail call i32 (i8*, ...)* @printf(i8* getelementptr ([32 x i8]* @"\01LC", i32 0, i32 0), i32 0, i32 1, i32 0, i32 1, i32 0, i32 1) nounwind		; <i32> [#uses=0]
+	ret i32 0
+}
diff --git a/test/CodeGen/X86/2009-06-12-x86_64-tail-call-conv-out-of-sync-bug.ll b/test/CodeGen/X86/2009-06-12-x86_64-tail-call-conv-out-of-sync-bug.ll
new file mode 100644
index 0000000000000..001b7fc5a4af6
--- /dev/null
+++ b/test/CodeGen/X86/2009-06-12-x86_64-tail-call-conv-out-of-sync-bug.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -mattr=+sse2 -mtriple=x86_64-apple-darwin | grep fstpt
+; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -mattr=+sse2 -mtriple=x86_64-apple-darwin | grep xmm
+
+; Check that x86-64 tail calls support x86_fp80 and v2f32 types. (Tail call
+; calling convention out of sync with standard c calling convention on x86_64)
+; Bug 4278.
+
+declare fastcc double @tailcallee(x86_fp80, <2 x float>) 
+	
+define fastcc double @tailcall() {
+entry:
+  %tmp = fpext float 1.000000e+00 to x86_fp80
+	%tmp2 = tail call fastcc double @tailcallee( x86_fp80 %tmp,  <2 x float> <float 1.000000e+00, float 1.000000e+00>)
+	ret double %tmp2
+}
diff --git a/test/CodeGen/X86/tailcallstack64.ll b/test/CodeGen/X86/tailcallstack64.ll
index d734065c005cd..c81327e5143a7 100644
--- a/test/CodeGen/X86/tailcallstack64.ll
+++ b/test/CodeGen/X86/tailcallstack64.ll
@@ -3,19 +3,19 @@
 ; Move param %in1 to temp register (%eax).
 ; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {movl	40(%rsp), %eax}
 ; Add %in1 %p1 to another temporary register (%r9d).
-; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {movl	%edi, %r9d}
-; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {addl	32(%rsp), %r9d}
+; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {movl	%edi, %r10d}
+; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {addl	32(%rsp), %r10d}
 ; Move result of addition to stack.
-; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {movl	%r9d, 40(%rsp)}
+; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {movl	%r10d, 40(%rsp)}
 ; Move param %in2 to stack.
 ; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {movl	%eax, 32(%rsp)}
 
-declare fastcc i32 @tailcallee(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %a, i32 %b)
+declare fastcc i32 @tailcallee(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6, i32 %a, i32 %b)
 
-define fastcc i32 @tailcaller(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %in1, i32 %in2) {
+define fastcc i32 @tailcaller(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6, i32 %in1, i32 %in2) {
 entry:
         %tmp = add i32 %in1, %p1
-        %retval = tail call fastcc i32 @tailcallee(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %in2,i32 %tmp)
+        %retval = tail call fastcc i32 @tailcallee(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6, i32 %in2,i32 %tmp)
         ret i32 %retval
 }
 
diff --git a/test/DebugInfo/2009-06-12-Inline.ll b/test/DebugInfo/2009-06-12-Inline.ll
new file mode 100644
index 0000000000000..87c42d5a68375
--- /dev/null
+++ b/test/DebugInfo/2009-06-12-Inline.ll
@@ -0,0 +1,94 @@
+; RUN: llvm-as < %s | llc -f -o /dev/null 
+	%llvm.dbg.anchor.type = type { i32, i32 }
+	%llvm.dbg.basictype.type = type { i32, { }*, i8*, { }*, i32, i64, i64, i64, i32, i32 }
+	%llvm.dbg.compile_unit.type = type { i32, { }*, i32, i8*, i8*, i8*, i1, i1, i8*, i32 }
+	%llvm.dbg.composite.type = type { i32, { }*, i8*, { }*, i32, i64, i64, i64, i32, { }*, { }*, i32 }
+	%llvm.dbg.derivedtype.type = type { i32, { }*, i8*, { }*, i32, i64, i64, i64, i32, { }* }
+	%llvm.dbg.subprogram.type = type { i32, { }*, { }*, i8*, i8*, i8*, { }*, i32, { }*, i1, i1 }
+	%llvm.dbg.variable.type = type { i32, { }*, i8*, { }*, i32, { }* }
+	%struct._objc_cache = type opaque
+	%struct._objc_category = type { i8*, i8*, %struct._objc_method_list*, %struct._objc_method_list*, %struct._objc_protocol_list*, i32, %struct._prop_list_t* }
+	%struct._objc_class = type { %struct._objc_class*, %struct._objc_class*, i8*, i32, i32, i32, %struct._objc_ivar_list*, %struct._objc_method_list*, %struct._objc_cache*, %struct._objc_protocol_list*, i8*, %struct._objc_class_extension* }
+	%struct._objc_class_extension = type { i32, i8*, %struct._prop_list_t* }
+	%struct._objc_exception_data = type { [18 x i32], [4 x i8*] }
+	%struct._objc_ivar = type { i8*, i8*, i32 }
+	%struct._objc_ivar_list = type opaque
+	%struct._objc_method = type { %struct.objc_selector*, i8*, i8* }
+	%struct._objc_method_description = type { %struct.objc_selector*, i8* }
+	%struct._objc_method_description_list = type { i32, [0 x %struct._objc_method_description] }
+	%struct._objc_method_list = type opaque
+	%struct._objc_module = type { i32, i32, i8*, %struct._objc_symtab* }
+	%struct._objc_protocol = type { %struct._objc_protocol_extension*, i8*, %struct._objc_protocol_list*, %struct._objc_method_description_list*, %struct._objc_method_description_list* }
+	%struct._objc_protocol_extension = type { i32, %struct._objc_method_description_list*, %struct._objc_method_description_list*, %struct._prop_list_t* }
+	%struct._objc_protocol_list = type { %struct._objc_protocol_list*, i32, [0 x %struct._objc_protocol] }
+	%struct._objc_super = type <{ %struct.objc_object*, %struct.objc_class* }>
+	%struct._objc_symtab = type { i32, %struct.objc_selector*, i16, i16, [0 x i8*] }
+	%struct._prop_list_t = type { i32, i32, [0 x %struct._prop_t] }
+	%struct._prop_t = type { i8*, i8* }
+	%struct.objc_class = type opaque
+	%struct.objc_object = type opaque
+	%struct.objc_selector = type opaque
+@"\01L_OBJC_IMAGE_INFO" = internal constant [2 x i32] [i32 0, i32 16], section "__OBJC, __image_info,regular"		; <[2 x i32]*> [#uses=1]
+@llvm.dbg.compile_units = linkonce constant %llvm.dbg.anchor.type { i32 458752, i32 17 }, section "llvm.metadata"		; <%llvm.dbg.anchor.type*> [#uses=1]
+@.str = internal constant [4 x i8] c"t.m\00", section "llvm.metadata"		; <[4 x i8]*> [#uses=1]
+@.str1 = internal constant [20 x i8] c"/Volumes/work/Radar\00", section "llvm.metadata"		; <[20 x i8]*> [#uses=1]
+@.str2 = internal constant [10 x i8] c"clang 1.0\00", section "llvm.metadata"		; <[10 x i8]*> [#uses=1]
+@llvm.dbg.compile_unit = internal constant %llvm.dbg.compile_unit.type { i32 458769, { }* bitcast (%llvm.dbg.anchor.type* @llvm.dbg.compile_units to { }*), i32 16, i8* getelementptr ([4 x i8]* @.str, i32 0, i32 0), i8* getelementptr ([20 x i8]* @.str1, i32 0, i32 0), i8* getelementptr ([10 x i8]* @.str2, i32 0, i32 0), i1 true, i1 false, i8* null, i32 1 }, section "llvm.metadata"		; <%llvm.dbg.compile_unit.type*> [#uses=1]
+@llvm.dbg.subprograms = linkonce constant %llvm.dbg.anchor.type { i32 458752, i32 46 }, section "llvm.metadata"		; <%llvm.dbg.anchor.type*> [#uses=1]
+@.str3 = internal constant [3 x i8] c"f1\00", section "llvm.metadata"		; <[3 x i8]*> [#uses=1]
+@llvm.dbg.subprogram = internal constant %llvm.dbg.subprogram.type { i32 458798, { }* bitcast (%llvm.dbg.anchor.type* @llvm.dbg.subprograms to { }*), { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8* getelementptr ([3 x i8]* @.str3, i32 0, i32 0), i8* getelementptr ([3 x i8]* @.str3, i32 0, i32 0), i8* getelementptr ([3 x i8]* @.str3, i32 0, i32 0), { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32 3, { }* null, i1 false, i1 true }, section "llvm.metadata"		; <%llvm.dbg.subprogram.type*> [#uses=1]
+@.str4 = internal constant [4 x i8] c"int\00", section "llvm.metadata"		; <[4 x i8]*> [#uses=1]
+@llvm.dbg.basictype = internal constant %llvm.dbg.basictype.type { i32 458788, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8* getelementptr ([4 x i8]* @.str4, i32 0, i32 0), { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32 0, i64 32, i64 32, i64 0, i32 0, i32 5 }, section "llvm.metadata"		; <%llvm.dbg.basictype.type*> [#uses=1]
+@llvm.dbg.array = internal constant [2 x { }*] [{ }* null, { }* bitcast (%llvm.dbg.basictype.type* @llvm.dbg.basictype to { }*)], section "llvm.metadata"		; <[2 x { }*]*> [#uses=1]
+@llvm.dbg.composite = internal constant %llvm.dbg.composite.type { i32 458773, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8* null, { }* null, i32 0, i64 0, i64 0, i64 0, i32 0, { }* null, { }* bitcast ([2 x { }*]* @llvm.dbg.array to { }*), i32 0 }, section "llvm.metadata"		; <%llvm.dbg.composite.type*> [#uses=1]
+@llvm.dbg.derivedtype = internal constant %llvm.dbg.derivedtype.type { i32 458767, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8* null, { }* null, i32 0, i64 32, i64 32, i64 0, i32 0, { }* bitcast (%llvm.dbg.composite.type* @llvm.dbg.composite to { }*) }, section "llvm.metadata"		; <%llvm.dbg.derivedtype.type*> [#uses=1]
+@.str5 = internal constant [3 x i8] c"l0\00", section "llvm.metadata"		; <[3 x i8]*> [#uses=1]
+@llvm.dbg.variable = internal constant %llvm.dbg.variable.type { i32 459008, { }* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram to { }*), i8* getelementptr ([3 x i8]* @.str5, i32 0, i32 0), { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32 5, { }* bitcast (%llvm.dbg.derivedtype.type* @llvm.dbg.derivedtype to { }*) }, section "llvm.metadata"		; <%llvm.dbg.variable.type*> [#uses=1]
+@.str6 = internal constant [3 x i8] c"f0\00", section "llvm.metadata"		; <[3 x i8]*> [#uses=1]
+@llvm.dbg.subprogram7 = internal constant %llvm.dbg.subprogram.type { i32 458798, { }* bitcast (%llvm.dbg.anchor.type* @llvm.dbg.subprograms to { }*), { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8* getelementptr ([3 x i8]* @.str6, i32 0, i32 0), i8* getelementptr ([3 x i8]* @.str6, i32 0, i32 0), i8* getelementptr ([3 x i8]* @.str6, i32 0, i32 0), { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32 2, { }* null, i1 false, i1 true }, section "llvm.metadata"		; <%llvm.dbg.subprogram.type*> [#uses=1]
+@.str8 = internal constant [2 x i8] c"x\00", section "llvm.metadata"		; <[2 x i8]*> [#uses=1]
+@llvm.dbg.variable9 = internal constant %llvm.dbg.variable.type { i32 459009, { }* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram7 to { }*), i8* getelementptr ([2 x i8]* @.str8, i32 0, i32 0), { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32 2, { }* bitcast (%llvm.dbg.basictype.type* @llvm.dbg.basictype to { }*) }, section "llvm.metadata"		; <%llvm.dbg.variable.type*> [#uses=1]
+@"\01L_OBJC_CLASS_NAME_" = internal global [1 x i8] zeroinitializer, section "__TEXT,__cstring,cstring_literals", align 1		; <[1 x i8]*> [#uses=1]
+@"\01L_OBJC_MODULES" = internal global %struct._objc_module { i32 7, i32 16, i8* getelementptr ([1 x i8]* @"\01L_OBJC_CLASS_NAME_", i32 0, i32 0), %struct._objc_symtab* null }, section "__OBJC,__module_info,regular,no_dead_strip", align 4		; <%struct._objc_module*> [#uses=1]
+@llvm.used = appending global [3 x i8*] [i8* bitcast ([2 x i32]* @"\01L_OBJC_IMAGE_INFO" to i8*), i8* getelementptr ([1 x i8]* @"\01L_OBJC_CLASS_NAME_", i32 0, i32 0), i8* bitcast (%struct._objc_module* @"\01L_OBJC_MODULES" to i8*)], section "llvm.metadata"		; <[3 x i8*]*> [#uses=0]
+
+define void @f1() nounwind {
+entry:
+	%x.addr.i = alloca i32		; <i32*> [#uses=2]
+	%l0 = alloca void (i32)*, align 4		; <void (i32)**> [#uses=2]
+	call void @llvm.dbg.func.start({ }* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram to { }*))
+	call void @llvm.dbg.stoppoint(i32 4, i32 3, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
+	call void @llvm.dbg.func.start({ }* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram7 to { }*))
+	store i32 1, i32* %x.addr.i
+	%0 = bitcast i32* %x.addr.i to { }*		; <{ }*> [#uses=1]
+	call void @llvm.dbg.declare({ }* %0, { }* bitcast (%llvm.dbg.variable.type* @llvm.dbg.variable9 to { }*))
+	call void @llvm.dbg.stoppoint(i32 2, i32 66, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
+	call void @llvm.dbg.stoppoint(i32 5, i32 3, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
+	call void @llvm.dbg.region.end({ }* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram7 to { }*))
+	%1 = bitcast void (i32)** %l0 to { }*		; <{ }*> [#uses=1]
+	call void @llvm.dbg.declare({ }* %1, { }* bitcast (%llvm.dbg.variable.type* @llvm.dbg.variable to { }*))
+	store void (i32)* @f0, void (i32)** %l0
+	call void @llvm.dbg.stoppoint(i32 6, i32 1, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
+	call void @llvm.dbg.region.end({ }* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram to { }*))
+	ret void
+}
+
+declare void @llvm.dbg.func.start({ }*) nounwind readnone
+
+declare void @llvm.dbg.stoppoint(i32, i32, { }*) nounwind readnone
+
+define internal void @f0(i32 %x) nounwind alwaysinline {
+entry:
+	%x.addr = alloca i32		; <i32*> [#uses=2]
+	call void @llvm.dbg.func.start({ }* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram7 to { }*))
+	store i32 %x, i32* %x.addr
+	%0 = bitcast i32* %x.addr to { }*		; <{ }*> [#uses=1]
+	call void @llvm.dbg.declare({ }* %0, { }* bitcast (%llvm.dbg.variable.type* @llvm.dbg.variable9 to { }*))
+	call void @llvm.dbg.stoppoint(i32 2, i32 66, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
+	call void @llvm.dbg.region.end({ }* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram7 to { }*))
+	ret void
+}
+
+declare void @llvm.dbg.declare({ }*, { }*) nounwind readnone
+
+declare void @llvm.dbg.region.end({ }*) nounwind readnone
diff --git a/test/DebugInfo/2009-06-12-InlineFuncStart.ll b/test/DebugInfo/2009-06-12-InlineFuncStart.ll
new file mode 100644
index 0000000000000..32e20ff8c912c
--- /dev/null
+++ b/test/DebugInfo/2009-06-12-InlineFuncStart.ll
@@ -0,0 +1,75 @@
+; RUN: llvm-as < %s | llc
+; RUN: llvm-as < %s | llc -O0
+	%llvm.dbg.anchor.type = type { i32, i32 }
+	%llvm.dbg.basictype.type = type { i32, { }*, i8*, { }*, i32, i64, i64, i64, i32, i32 }
+	%llvm.dbg.compile_unit.type = type { i32, { }*, i32, i8*, i8*, i8* }
+	%llvm.dbg.subprogram.type = type { i32, { }*, { }*, i8*, i8*, i8*, { }*, i32, { }*, i1, i1 }
+@llvm.dbg.subprogram = internal constant %llvm.dbg.subprogram.type { i32 393262, { }* bitcast (%llvm.dbg.anchor.type* @llvm.dbg.subprograms to { }*), { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8* getelementptr ([4 x i8]* @.str3, i32 0, i32 0), i8* getelementptr ([4 x i8]* @.str3, i32 0, i32 0), i8* null, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32 1, { }* bitcast (%llvm.dbg.basictype.type* @llvm.dbg.basictype to { }*), i1 false, i1 true }, section "llvm.metadata"		; <%llvm.dbg.subprogram.type*> [#uses=1]
+@llvm.dbg.subprograms = linkonce constant %llvm.dbg.anchor.type { i32 393216, i32 46 }, section "llvm.metadata"		; <%llvm.dbg.anchor.type*> [#uses=1]
+@llvm.dbg.compile_unit = internal constant %llvm.dbg.compile_unit.type { i32 393233, { }* bitcast (%llvm.dbg.anchor.type* @llvm.dbg.compile_units to { }*), i32 1, i8* getelementptr ([4 x i8]* @.str, i32 0, i32 0), i8* getelementptr ([5 x i8]* @.str1, i32 0, i32 0), i8* getelementptr ([52 x i8]* @.str2, i32 0, i32 0) }, section "llvm.metadata"		; <%llvm.dbg.compile_unit.type*> [#uses=1]
+@llvm.dbg.compile_units = linkonce constant %llvm.dbg.anchor.type { i32 393216, i32 17 }, section "llvm.metadata"		; <%llvm.dbg.anchor.type*> [#uses=1]
+@.str = internal constant [4 x i8] c"a.c\00", section "llvm.metadata"		; <[4 x i8]*> [#uses=1]
+@.str1 = internal constant [5 x i8] c"/tmp\00", section "llvm.metadata"		; <[5 x i8]*> [#uses=1]
+@.str2 = internal constant [52 x i8] c"4.2.1 (Based on Apple Inc. build 5627) (LLVM build)\00", section "llvm.metadata"		; <[52 x i8]*> [#uses=1]
+@.str3 = internal constant [4 x i8] c"foo\00", section "llvm.metadata"		; <[4 x i8]*> [#uses=1]
+@llvm.dbg.basictype = internal constant %llvm.dbg.basictype.type { i32 393252, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8* getelementptr ([4 x i8]* @.str4, i32 0, i32 0), { }* null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5 }, section "llvm.metadata"		; <%llvm.dbg.basictype.type*> [#uses=1]
+@.str4 = internal constant [4 x i8] c"int\00", section "llvm.metadata"		; <[4 x i8]*> [#uses=1]
+@llvm.dbg.subprogram5 = internal constant %llvm.dbg.subprogram.type { i32 393262, { }* bitcast (%llvm.dbg.anchor.type* @llvm.dbg.subprograms to { }*), { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8* getelementptr ([5 x i8]* @.str6, i32 0, i32 0), i8* getelementptr ([5 x i8]* @.str6, i32 0, i32 0), i8* null, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32 2, { }* bitcast (%llvm.dbg.basictype.type* @llvm.dbg.basictype to { }*), i1 false, i1 true }, section "llvm.metadata"		; <%llvm.dbg.subprogram.type*> [#uses=1]
+@.str6 = internal constant [5 x i8] c"main\00", section "llvm.metadata"		; <[5 x i8]*> [#uses=1]
+
+define i32 @foo() nounwind alwaysinline {
+entry:
+	%retval = alloca i32		; <i32*> [#uses=2]
+	%0 = alloca i32		; <i32*> [#uses=2]
+	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
+	call void @llvm.dbg.func.start({ }* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram to { }*))
+	call void @llvm.dbg.stoppoint(i32 1, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
+	store i32 42, i32* %0, align 4
+	%1 = load i32* %0, align 4		; <i32> [#uses=1]
+	store i32 %1, i32* %retval, align 4
+	br label %return
+
+return:		; preds = %entry
+	%retval1 = load i32* %retval		; <i32> [#uses=1]
+	call void @llvm.dbg.stoppoint(i32 1, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
+	call void @llvm.dbg.region.end({ }* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram to { }*))
+	ret i32 %retval1
+}
+
+declare void @llvm.dbg.func.start({ }*) nounwind
+
+declare void @llvm.dbg.stoppoint(i32, i32, { }*) nounwind
+
+declare void @llvm.dbg.region.end({ }*) nounwind
+
+define i32 @main() nounwind {
+entry:
+	%retval.i = alloca i32		; <i32*> [#uses=2]
+	%0 = alloca i32		; <i32*> [#uses=2]
+	%retval = alloca i32		; <i32*> [#uses=2]
+	%1 = alloca i32		; <i32*> [#uses=2]
+	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
+	call void @llvm.dbg.func.start({ }* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram5 to { }*))
+        br label %bb1
+
+return:		; preds = %entry
+	%retval1 = load i32* %retval		; <i32> [#uses=1]
+	call void @llvm.dbg.stoppoint(i32 2, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
+	call void @llvm.dbg.region.end({ }* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram5 to { }*))
+	ret i32 %retval1
+
+bb1:
+	call void @llvm.dbg.stoppoint(i32 2, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
+	call void @llvm.dbg.func.start({ }* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram to { }*)) nounwind
+	call void @llvm.dbg.stoppoint(i32 1, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) nounwind
+	store i32 42, i32* %0, align 4
+	%2 = load i32* %0, align 4		; <i32> [#uses=1]
+	store i32 %2, i32* %retval.i, align 4
+	%retval1.i = load i32* %retval.i		; <i32> [#uses=1]
+	call void @llvm.dbg.stoppoint(i32 1, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) nounwind
+	call void @llvm.dbg.region.end({ }* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram to { }*)) nounwind
+	store i32 %retval1.i, i32* %1, align 4
+	%3 = load i32* %1, align 4		; <i32> [#uses=1]
+	store i32 %3, i32* %retval, align 4
+	br label %return
+}
diff --git a/test/FrontendC/pr3518.c b/test/FrontendC/pr3518.c
new file mode 100644
index 0000000000000..4c193c7739b2e
--- /dev/null
+++ b/test/FrontendC/pr3518.c
@@ -0,0 +1,24 @@
+// RUN: %llvmgcc %s -S -emit-llvm -O0 -o - | grep {= internal global} | count 4
+// PR 3518
+// Some of the objects were coming out as unintialized (external) before 3518
+// was fixed.  Internal names are different between llvm-gcc and clang so they
+// are not tested.
+
+extern void abort (void);
+
+struct A { int i; int j; };
+struct B { struct A *a; struct A *b; };
+struct C { struct B *c; struct A *d; };
+struct C e = { &(struct B) { &(struct A) { 1, 2 }, &(struct A) { 3, 4 } }, &(struct A) { 5, 6 } };
+
+int
+main (void)
+{
+  if (e.c->a->i != 1 || e.c->a->j != 2)
+    abort ();
+  if (e.c->b->i != 3 || e.c->b->j != 4)
+    abort ();
+  if (e.d->i != 5 || e.d->j != 6)
+    abort ();
+  return 0;
+}
diff --git a/test/FrontendC/pr4349.c b/test/FrontendC/pr4349.c
new file mode 100644
index 0000000000000..890482ea06a57
--- /dev/null
+++ b/test/FrontendC/pr4349.c
@@ -0,0 +1,39 @@
+// RUN: %llvmgcc %s -S -emit-llvm -O0 -o - | grep svars2 | grep {\\\[2 x \\\[2 x i8\\\]\\\]}
+// RUN: %llvmgcc %s -S -emit-llvm -O0 -o - | grep svars2 | grep {, i\[\[:digit:\]\]\\+ 1)} | count 1
+// RUN: %llvmgcc %s -S -emit-llvm -O0 -o - | grep svars3 | grep {\\\[2 x i16\\\]}
+// RUN: %llvmgcc %s -S -emit-llvm -O0 -o - | grep svars3 | grep {, i\[\[:digit:\]\]\\+ 1)} | count 1
+// RUN: %llvmgcc %s -S -emit-llvm -O0 -o - | grep svars4 | grep {\\\[2 x \\\[2 x i8\\\]\\\]} | count 1
+// RUN: %llvmgcc %s -S -emit-llvm -O0 -o - | grep svars4 | grep {, i\[\[:digit:\]\]\\+ 1, i\[\[:digit:\]\]\\+ 1)} | count 1
+// PR 4349
+
+union reg
+{
+    unsigned char b[2][2];
+    unsigned short w[2];
+    unsigned int d;
+};
+struct cpu
+{
+    union reg pc;
+};
+extern struct cpu cpu;
+struct svar
+{
+    void *ptr;
+};
+struct svar svars1[] =
+{
+    { &((cpu.pc).w[0]) }
+};
+struct svar svars2[] =
+{
+    { &((cpu.pc).b[0][1]) }
+};
+struct svar svars3[] =
+{
+    { &((cpu.pc).w[1]) }
+};
+struct svar svars4[] =
+{
+    { &((cpu.pc).b[1][1]) }
+};
diff --git a/test/TableGen/Slice.td b/test/TableGen/Slice.td
new file mode 100644
index 0000000000000..cd9c6da153984
--- /dev/null
+++ b/test/TableGen/Slice.td
@@ -0,0 +1,87 @@
+// RUN: tblgen %s | grep {\\\[(set} | count 2
+// RUN: tblgen %s | grep {\\\[\\\]} | count 2
+
+class ValueType<int size, int value> {
+  int Size = size;
+  int Value = value;
+}
+
+def f32  : ValueType<32, 1>;   //  2 x i64 vector value
+
+class Intrinsic<string name> {
+  string Name = name;
+}
+
+class Inst<bits<8> opcode, dag oopnds, dag iopnds, string asmstr, 
+           list<dag> pattern> {
+  bits<8> Opcode = opcode;
+  dag OutOperands = oopnds;
+  dag InOperands = iopnds;
+  string AssemblyString = asmstr;
+  list<dag> Pattern = pattern;
+}
+
+def ops;
+def outs;
+def ins;
+
+def set;
+
+// Define registers
+class Register<string n> {
+  string Name = n;
+}
+
+class RegisterClass<list<ValueType> regTypes, list<Register> regList> {
+  list<ValueType> RegTypes = regTypes;
+  list<Register> MemberList = regList;
+}
+
+def XMM0: Register<"xmm0">;
+def XMM1: Register<"xmm1">;
+def XMM2: Register<"xmm2">;
+def XMM3: Register<"xmm3">;
+def XMM4: Register<"xmm4">;
+def XMM5: Register<"xmm5">;
+def XMM6: Register<"xmm6">;
+def XMM7: Register<"xmm7">;
+def XMM8:  Register<"xmm8">;
+def XMM9:  Register<"xmm9">;
+def XMM10: Register<"xmm10">;
+def XMM11: Register<"xmm11">;
+def XMM12: Register<"xmm12">;
+def XMM13: Register<"xmm13">;
+def XMM14: Register<"xmm14">;
+def XMM15: Register<"xmm15">;
+
+def FR32 : RegisterClass<[f32],
+                         [XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
+                          XMM8, XMM9, XMM10, XMM11,
+                          XMM12, XMM13, XMM14, XMM15]>;
+
+class SDNode {}
+def not : SDNode;
+
+multiclass scalar<bits<8> opcode, string asmstr = "", list<list<dag>> patterns = []> {
+  def SSrr : Inst<opcode, (outs FR32:$dst), (ins FR32:$src),
+                  !strconcat(asmstr, "\t$dst, $src"),
+                  !if(!null(patterns),[]<dag>,patterns[0])>;
+  def SSrm : Inst<opcode, (outs FR32:$dst), (ins FR32:$src),
+                  !strconcat(asmstr, "\t$dst, $src"),
+                  !if(!null(patterns),[]<dag>,!if(!null(!cdr(patterns)),patterns[0],patterns[1]))>;
+}
+
+multiclass vscalar<bits<8> opcode, string asmstr = "", list<list<dag>> patterns = []> {
+  def V#NAME#SSrr : Inst<opcode, (outs FR32:$dst), (ins FR32:$src),
+                  !strconcat(asmstr, "\t$dst, $src"),
+                  !if(!null(patterns),[]<dag>,patterns[0])>;
+  def V#NAME#SSrm : Inst<opcode, (outs FR32:$dst), (ins FR32:$src),
+                  !strconcat(asmstr, "\t$dst, $src"),
+                  !if(!null(patterns),[]<dag>,!if(!null(!cdr(patterns)),patterns[0],patterns[1]))>;
+}
+
+multiclass myscalar<bits<8> opcode, string asmstr = "", list<list<dag>> patterns = []> :
+  scalar<opcode, asmstr, patterns>,
+  vscalar<opcode, asmstr, patterns>;
+
+defm NOT : myscalar<0x10, "not", [[], [(set FR32:$dst, (f32 (not FR32:$src)))]]>;
diff --git a/test/TableGen/if.td b/test/TableGen/if.td
index 3c45d95eb20a9..9b2438245db1c 100644
--- a/test/TableGen/if.td
+++ b/test/TableGen/if.td
@@ -1,5 +1,5 @@
-// RUN: tblgen %s | grep {1, 2, 3} | count 4
-// RUN: tblgen %s | grep {4, 5, 6} | count 2
+// RUN: tblgen %s | grep {\\\[1, 2, 3\\\]} | count 4
+// RUN: tblgen %s | grep {\\\[4, 5, 6\\\]} | count 2
 
 class A<list<list<int>> vals> {
   list<int> first = vals[0];
diff --git a/test/Transforms/IndVarSimplify/2003-09-23-NotAtTop.ll b/test/Transforms/IndVarSimplify/2003-09-23-NotAtTop.ll
index d70e604979787..b4a2c50618944 100644
--- a/test/Transforms/IndVarSimplify/2003-09-23-NotAtTop.ll
+++ b/test/Transforms/IndVarSimplify/2003-09-23-NotAtTop.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | opt -indvars  | llvm-dis | %prcontext Loop: 1 | grep %indvar
+; RUN: llvm-as < %s | opt -indvars | llvm-dis | %prcontext ^Loop: 1 | grep %Canonical
 
 ; The indvar simplification code should ensure that the first PHI in the block 
 ; is the canonical one!
diff --git a/test/Transforms/IndVarSimplify/masked-iv.ll b/test/Transforms/IndVarSimplify/masked-iv.ll
new file mode 100644
index 0000000000000..c7583c9655a88
--- /dev/null
+++ b/test/Transforms/IndVarSimplify/masked-iv.ll
@@ -0,0 +1,24 @@
+; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep trunc | count 1
+
+; Indvars should do the IV arithmetic in the canonical IV type (i64),
+; and only use one truncation.
+
+define void @foo(i64* %A, i64* %B, i64 %n, i64 %a, i64 %s) nounwind {
+entry:
+	%t0 = icmp sgt i64 %n, 0		; <i1> [#uses=1]
+	br i1 %t0, label %bb.preheader, label %return
+
+bb.preheader:		; preds = %entry
+	br label %bb
+
+bb:		; preds = %bb, %bb.preheader
+	%i.01 = phi i64 [ %t6, %bb ], [ %a, %bb.preheader ]		; <i64> [#uses=3]
+	%t1 = and i64 %i.01, 255		; <i64> [#uses=1]
+	%t2 = getelementptr i64* %A, i64 %t1		; <i64*> [#uses=1]
+	store i64 %i.01, i64* %t2, align 8
+	%t6 = add i64 %i.01, %s		; <i64> [#uses=1]
+	br label %bb
+
+return:		; preds = %entry
+	ret void
+}
diff --git a/test/Transforms/InstCombine/2009-06-11-StoreAddrSpace.ll b/test/Transforms/InstCombine/2009-06-11-StoreAddrSpace.ll
new file mode 100644
index 0000000000000..e86fed3c36442
--- /dev/null
+++ b/test/Transforms/InstCombine/2009-06-11-StoreAddrSpace.ll
@@ -0,0 +1,7 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep store
+; PR4366
+
+define void @a() {
+  store i32 0, i32 addrspace(1)* null
+  ret void
+}
diff --git a/test/Transforms/InstCombine/fsub-fsub.ll b/test/Transforms/InstCombine/fsub-fsub.ll
new file mode 100644
index 0000000000000..ab70479204b17
--- /dev/null
+++ b/test/Transforms/InstCombine/fsub-fsub.ll
@@ -0,0 +1,8 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep fsub | count 2
+; PR4374
+
+define float @func(float %a, float %b) nounwind {
+        %tmp3 = fsub float %a, %b
+        %tmp4 = fsub float -0.000000e+00, %tmp3
+        ret float %tmp4
+}
diff --git a/test/Transforms/MergeFunc/fold-weak.ll b/test/Transforms/MergeFunc/fold-weak.ll
index d98fde0228fb3..cea49fb1ceca5 100644
--- a/test/Transforms/MergeFunc/fold-weak.ll
+++ b/test/Transforms/MergeFunc/fold-weak.ll
@@ -1,4 +1,6 @@
-; RUN: llvm-as < %s | opt -mergefunc | llvm-dis | grep {alias weak} | count 2
+; RUN: llvm-as < %s | opt -mergefunc | llvm-dis > %t
+; RUN: grep {define weak} %t | count 2
+; RUN: grep {call} %t | count 2
 
 define weak i32 @sum(i32 %x, i32 %y) {
   %sum = add i32 %x, %y
diff --git a/test/lib/llvm.exp b/test/lib/llvm.exp
index d2ddb8f757f9b..3e2632f12c1f3 100644
--- a/test/lib/llvm.exp
+++ b/test/lib/llvm.exp
@@ -184,7 +184,7 @@ proc RunLLVMTests { test_source_files } {
 
         #split up target if more then 1 specified
         foreach target [split $targets ,] {
-          if { [regexp {\*} $target match] } {
+          if { $target == "*" } {
               if {$targetPASS != 1} {
                  set outcome XFAIL
               }