3 more bugs from the SPEC codes and from richards_benchmark.c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6458 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Generic/2003-05-28-ManyArgs.ll b/test/CodeGen/Generic/2003-05-28-ManyArgs.ll
new file mode 100644
index 0000000..56dc8bb
--- /dev/null
+++ b/test/CodeGen/Generic/2003-05-28-ManyArgs.ll
@@ -0,0 +1,156 @@
+;; Date: May 28, 2003.
+;; From: test/Programs/External/SPEC/CINT2000/175.vpr.llvm.bc
+;; Function: int %main(int %argc.1, sbyte** %argv.1)
+;;
+;; Error: A function call with about 56 arguments causes an assertion failure
+;; in llc because the register allocator cannot find a register
+;; not used explicitly by the call instruction.
+;;
+;; Cause: Regalloc was not keeping track of free registers correctly.
+;; It was counting the registers allocated to all outgoing arguments,
+;; even though most of those are copied to the stack (so those
+;; registers are not actually used by the call instruction).
+;;
+;; Fixed: By rewriting selection and allocation so that selection explicitly
+;; inserts all copy operations required for passing arguments and
+;; for the return value of a call, copying to/from registers
+;; and/or to stack locations as needed.
+;;
+
+target endian = little
+target pointersize = 32
+ %struct..s_annealing_sched = type { uint, float, float, float, float }
+ %struct..s_chan = type { uint, float, float, float, float }
+ %struct..s_det_routing_arch = type { uint, float, float, float, uint, int, short, short, short, float, float }
+ %struct..s_placer_opts = type { int, float, int, uint, sbyte*, uint, int }
+ %struct..s_router_opts = type { float, float, float, float, float, int, int, uint, int }
+ %struct..s_segment_inf = type { float, int, short, short, float, float, uint, float, float }
+ %struct..s_switch_inf = type { uint, float, float, float, float }
+
+implementation
+
+int %main(int %argc.1, sbyte** %argv.1) {
+entry:
+ %net_file = alloca [300 x sbyte]
+ %place_file = alloca [300 x sbyte]
+ %arch_file = alloca [300 x sbyte]
+ %route_file = alloca [300 x sbyte]
+ %full_stats = alloca uint
+ %operation = alloca int
+ %verify_binary_search = alloca uint
+ %show_graphics = alloca uint
+ %annealing_sched = alloca %struct..s_annealing_sched
+ %placer_opts = alloca %struct..s_placer_opts
+ %router_opts = alloca %struct..s_router_opts
+ %det_routing_arch = alloca %struct..s_det_routing_arch
+ %segment_inf = alloca %struct..s_segment_inf*
+ %timing_inf = alloca { uint, float, float, float, float, float, float, float, float, float, float }
+ %tmp.101 = getelementptr %struct..s_placer_opts* %placer_opts, long 0, ubyte 4
+ %tmp.105 = getelementptr [300 x sbyte]* %net_file, long 0, long 0
+ %tmp.106 = getelementptr [300 x sbyte]* %arch_file, long 0, long 0
+ %tmp.107 = getelementptr [300 x sbyte]* %place_file, long 0, long 0
+ %tmp.108 = getelementptr [300 x sbyte]* %route_file, long 0, long 0
+ %tmp.109 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 0
+ %tmp.112 = getelementptr %struct..s_placer_opts* %placer_opts, long 0, ubyte 0
+ %tmp.114 = getelementptr %struct..s_placer_opts* %placer_opts, long 0, ubyte 6
+ %tmp.118 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 7
+ %tmp.135 = load int* %operation
+ %tmp.137 = load int* %tmp.112
+ %tmp.138 = getelementptr %struct..s_placer_opts* %placer_opts, long 0, ubyte 1
+ %tmp.139 = load float* %tmp.138
+ %tmp.140 = getelementptr %struct..s_placer_opts* %placer_opts, long 0, ubyte 2
+ %tmp.141 = load int* %tmp.140
+ %tmp.142 = getelementptr %struct..s_placer_opts* %placer_opts, long 0, ubyte 3
+ %tmp.143 = load uint* %tmp.142
+ %tmp.145 = load sbyte** %tmp.101
+ %tmp.146 = getelementptr %struct..s_placer_opts* %placer_opts, long 0, ubyte 5
+ %tmp.147 = load uint* %tmp.146
+ %tmp.149 = load int* %tmp.114
+ %tmp.154 = load uint* %full_stats
+ %tmp.155 = load uint* %verify_binary_search
+ %tmp.156 = getelementptr %struct..s_annealing_sched* %annealing_sched, long 0, ubyte 0
+ %tmp.157 = load uint* %tmp.156
+ %tmp.158 = getelementptr %struct..s_annealing_sched* %annealing_sched, long 0, ubyte 1
+ %tmp.159 = load float* %tmp.158
+ %tmp.160 = getelementptr %struct..s_annealing_sched* %annealing_sched, long 0, ubyte 2
+ %tmp.161 = load float* %tmp.160
+ %tmp.162 = getelementptr %struct..s_annealing_sched* %annealing_sched, long 0, ubyte 3
+ %tmp.163 = load float* %tmp.162
+ %tmp.164 = getelementptr %struct..s_annealing_sched* %annealing_sched, long 0, ubyte 4
+ %tmp.165 = load float* %tmp.164
+ %tmp.166 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 0
+ %tmp.167 = load float* %tmp.166
+ %tmp.168 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 1
+ %tmp.169 = load float* %tmp.168
+ %tmp.170 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 2
+ %tmp.171 = load float* %tmp.170
+ %tmp.172 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 3
+ %tmp.173 = load float* %tmp.172
+ %tmp.174 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 4
+ %tmp.175 = load float* %tmp.174
+ %tmp.176 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 5
+ %tmp.177 = load int* %tmp.176
+ %tmp.178 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 6
+ %tmp.179 = load int* %tmp.178
+ %tmp.181 = load uint* %tmp.118
+ %tmp.182 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 8
+ %tmp.183 = load int* %tmp.182
+ %tmp.184 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 0
+ %tmp.185 = load uint* %tmp.184
+ %tmp.186 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 1
+ %tmp.187 = load float* %tmp.186
+ %tmp.188 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 2
+ %tmp.189 = load float* %tmp.188
+ %tmp.190 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 3
+ %tmp.191 = load float* %tmp.190
+ %tmp.192 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 4
+ %tmp.193 = load uint* %tmp.192
+ %tmp.194 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 5
+ %tmp.195 = load int* %tmp.194
+ %tmp.196 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 6
+ %tmp.197 = load short* %tmp.196
+ %tmp.198 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 7
+ %tmp.199 = load short* %tmp.198
+ %tmp.200 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 8
+ %tmp.201 = load short* %tmp.200
+ %tmp.202 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 9
+ %tmp.203 = load float* %tmp.202
+ %tmp.204 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 10
+ %tmp.205 = load float* %tmp.204
+ %tmp.206 = load %struct..s_segment_inf** %segment_inf
+ %tmp.208 = load uint* %tmp.109
+ %tmp.209 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 1
+ %tmp.210 = load float* %tmp.209
+ %tmp.211 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 2
+ %tmp.212 = load float* %tmp.211
+ %tmp.213 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 3
+ %tmp.214 = load float* %tmp.213
+ %tmp.215 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 4
+ %tmp.216 = load float* %tmp.215
+ %tmp.217 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 5
+ %tmp.218 = load float* %tmp.217
+ %tmp.219 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 6
+ %tmp.220 = load float* %tmp.219
+ %tmp.221 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 7
+ %tmp.222 = load float* %tmp.221
+ %tmp.223 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 8
+ %tmp.224 = load float* %tmp.223
+ %tmp.225 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 9
+ %tmp.226 = load float* %tmp.225
+ %tmp.227 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 10
+ %tmp.228 = load float* %tmp.227
+ call void %place_and_route( int %tmp.135, int %tmp.137, float %tmp.139, int %tmp.141, uint %tmp.143, sbyte* %tmp.145, uint %tmp.147, int %tmp.149, sbyte* %tmp.107, sbyte* %tmp.105, sbyte* %tmp.106, sbyte* %tmp.108, uint %tmp.154, uint %tmp.155, uint %tmp.157, float %tmp.159, float %tmp.161, float %tmp.163, float %tmp.165, float %tmp.167, float %tmp.169, float %tmp.171, float %tmp.173, float %tmp.175, int %tmp.177, int %tmp.179, uint %tmp.181, int %tmp.183, uint %tmp.185, float %tmp.187, float %tmp.189, float %tmp.191, uint %tmp.193, int %tmp.195, short %tmp.197, short %tmp.199, short %tmp.201, float %tmp.203, float %tmp.205, %struct..s_segment_inf* %tmp.206, uint %tmp.208, float %tmp.210, float %tmp.212, float %tmp.214, float %tmp.216, float %tmp.218, float %tmp.220, float %tmp.222, float %tmp.224, float %tmp.226, float %tmp.228 )
+ %tmp.231 = load uint* %show_graphics
+ %tmp.232 = setne uint %tmp.231, 0
+ br bool %tmp.232, label %then.2, label %endif.2
+
+then.2:
+ br label %endif.2
+
+endif.2:
+ ret int 0
+}
+
+declare int %printf(sbyte*, ...)
+
+declare void %place_and_route(int, int, float, int, uint, sbyte*, uint, int, sbyte*, sbyte*, sbyte*, sbyte*, uint, uint, uint, float, float, float, float, float, float, float, float, float, int, int, uint, int, uint, float, float, float, uint, int, short, short, short, float, float, %struct..s_segment_inf*, uint, float, float, float, float, float, float, float, float, float, float)
diff --git a/test/CodeGen/Generic/2003-05-30-BadFoldGEP.ll b/test/CodeGen/Generic/2003-05-30-BadFoldGEP.ll
new file mode 100644
index 0000000..47caabb
--- /dev/null
+++ b/test/CodeGen/Generic/2003-05-30-BadFoldGEP.ll
@@ -0,0 +1,48 @@
+;; Date: May 28, 2003.
+;; From: test/Programs/External/SPEC/CINT2000/254.gap.llvm.bc
+;; Function: int %OpenOutput(sbyte* %filename.1)
+;;
+;; Error: A sequence of GEPs is folded incorrectly by llc during selection
+;; causing an assertion about a dynamic casting error.
+;; This code sequence was produced (correctly) by preselection
+;; from a nested pair of ConstantExpr getelementptrs.
+;; The code below is the output of preselection.
+;; The original ConstantExprs are included in a comment.
+;;
+;; Cause: FoldGetElemChain() was inserting an extra leading 0 even though
+;; the first instruction in the sequence contributes no indices.
+;; The next instruction contributes a leading non-zero so another
+;; zero should not be added before it!
+;;
+
+
+%FileType = type { int, [256 x sbyte], int, int, int, int }
+%OutputFiles = uninitialized global [16 x %FileType]
+%Output = internal global %FileType* null
+
+
+implementation; Functions:
+
+internal int %OpenOutput(sbyte* %filename.1) {
+entry:
+ %tmp.0 = load %FileType** %Output
+ %tmp.4 = getelementptr %FileType* %tmp.0, long 1
+
+ ;;------ Original instruction in 254.gap.llvm.bc:
+ ;; %tmp.10 = seteq { int, [256 x sbyte], int, int, int, int }* %tmp.4, getelementptr ([16 x { int, [256 x sbyte], int, int, int, int }]* getelementptr ([16 x { int, [256 x sbyte], int, int, int, int }]* %OutputFiles, long 1), long 0, long 0)
+
+ ;;------ Code sequence produced by preselection phase for above instr:
+ ;; This code sequence is folded incorrectly by llc during selection
+ ;; causing an assertion about a dynamic casting error.
+ %addrOfGlobal = getelementptr [16 x %FileType]* %OutputFiles, long 0
+ %constantGEP = getelementptr [16 x %FileType]* %addrOfGlobal, long 1
+ %constantGEP = getelementptr [16 x %FileType]* %constantGEP, long 0, long 0
+ %tmp.10 = seteq %FileType* %tmp.4, %constantGEP
+ br bool %tmp.10, label %return, label %endif.0
+
+endif.0:
+ ret int 0
+
+return:
+ ret int 1
+}
diff --git a/test/CodeGen/Generic/2003-05-30-BadPreselectPhi.ll b/test/CodeGen/Generic/2003-05-30-BadPreselectPhi.ll
new file mode 100644
index 0000000..76f4a91
--- /dev/null
+++ b/test/CodeGen/Generic/2003-05-30-BadPreselectPhi.ll
@@ -0,0 +1,58 @@
+;; Date: May 28, 2003.
+;; From: test/Programs/SingleSource/richards_benchmark.c
+;; Function: struct task *handlerfn(struct packet *pkt)
+;;
+;; Error: PreSelection puts the arguments of the Phi just before
+;; the Phi instead of in predecessor blocks. This later
+;; causes llc to produces an invalid register <NULL VALUE>
+;; for the phi arguments.
+;;
+;; PreSelection Output:
+;; *** LLVM code after pre-selection for function handlerfn:
+;;
+;;
+;; %struct..task* %handlerfn(%struct..packet*) {
+;; ; <label>:0 ; No predecessors!
+;; setne %struct..packet* %0, null ; <bool>:0 [#uses=1]
+;; br bool %0, label %1, label %2
+;;
+;; ; <label>:1 ; preds = %0
+;; br label %2
+;;
+;; ; <label>:2 ; preds = %0, %1
+;; %addrOfGlobal = getelementptr int* %v2, long 0 ; <int*> [#uses=1]
+;; %addrOfGlobal1 = getelementptr int* %v1, long 0 ; <int*> [#uses=1]
+;; phi int* [ %addrOfGlobal, %1 ], [ %addrOfGlobal1, %0 ] ; <int*>:0 [#uses=1]
+;; cast int* %0 to %struct..packet* ; <%struct..packet*>:1 [#uses=1]
+;; call void %append( %struct..packet* %0, %struct..packet* %1 )
+;; ret %struct..task* null
+;; }
+;; llc: ../../../include/llvm/CodeGen/MachineInstr.h:294: int MachineOperand::getAllocatedRegNum() const: Assertion `hasAllocatedReg()' failed.
+;;
+
+
+target endian = little
+target pointersize = 32
+ %struct..packet = type { %struct..packet*, int, int, int, [4 x sbyte] }
+ %struct..task = type { %struct..task*, int, int, %struct..packet*, int, %struct..task* (%struct..packet*)*, int, int }
+%v1 = external global int
+%v2 = external global int
+
+implementation ; Functions:
+
+%struct..task* %handlerfn(%struct..packet* %pkt.2) {
+entry: ; No predecessors!
+ %tmp.1 = setne %struct..packet* %pkt.2, null
+ br bool %tmp.1, label %cond_false, label %cond_continue
+
+cond_false: ; preds = %entry
+ br label %cond_continue
+
+cond_continue: ; preds = %entry, %cond_false
+ %mem_tmp.0 = phi int* [ %v2, %cond_false ], [ %v1, %entry ]
+ %tmp.12 = cast int* %mem_tmp.0 to %struct..packet*
+ call void %append( %struct..packet* %pkt.2, %struct..packet* %tmp.12 )
+ ret %struct..task* null
+}
+
+declare void %append(%struct..packet*, %struct..packet*)
diff --git a/test/LLC/2003-05-28-ManyArgs.ll b/test/LLC/2003-05-28-ManyArgs.ll
new file mode 100644
index 0000000..56dc8bb
--- /dev/null
+++ b/test/LLC/2003-05-28-ManyArgs.ll
@@ -0,0 +1,156 @@
+;; Date: May 28, 2003.
+;; From: test/Programs/External/SPEC/CINT2000/175.vpr.llvm.bc
+;; Function: int %main(int %argc.1, sbyte** %argv.1)
+;;
+;; Error: A function call with about 56 arguments causes an assertion failure
+;; in llc because the register allocator cannot find a register
+;; not used explicitly by the call instruction.
+;;
+;; Cause: Regalloc was not keeping track of free registers correctly.
+;; It was counting the registers allocated to all outgoing arguments,
+;; even though most of those are copied to the stack (so those
+;; registers are not actually used by the call instruction).
+;;
+;; Fixed: By rewriting selection and allocation so that selection explicitly
+;; inserts all copy operations required for passing arguments and
+;; for the return value of a call, copying to/from registers
+;; and/or to stack locations as needed.
+;;
+
+target endian = little
+target pointersize = 32
+ %struct..s_annealing_sched = type { uint, float, float, float, float }
+ %struct..s_chan = type { uint, float, float, float, float }
+ %struct..s_det_routing_arch = type { uint, float, float, float, uint, int, short, short, short, float, float }
+ %struct..s_placer_opts = type { int, float, int, uint, sbyte*, uint, int }
+ %struct..s_router_opts = type { float, float, float, float, float, int, int, uint, int }
+ %struct..s_segment_inf = type { float, int, short, short, float, float, uint, float, float }
+ %struct..s_switch_inf = type { uint, float, float, float, float }
+
+implementation
+
+int %main(int %argc.1, sbyte** %argv.1) {
+entry:
+ %net_file = alloca [300 x sbyte]
+ %place_file = alloca [300 x sbyte]
+ %arch_file = alloca [300 x sbyte]
+ %route_file = alloca [300 x sbyte]
+ %full_stats = alloca uint
+ %operation = alloca int
+ %verify_binary_search = alloca uint
+ %show_graphics = alloca uint
+ %annealing_sched = alloca %struct..s_annealing_sched
+ %placer_opts = alloca %struct..s_placer_opts
+ %router_opts = alloca %struct..s_router_opts
+ %det_routing_arch = alloca %struct..s_det_routing_arch
+ %segment_inf = alloca %struct..s_segment_inf*
+ %timing_inf = alloca { uint, float, float, float, float, float, float, float, float, float, float }
+ %tmp.101 = getelementptr %struct..s_placer_opts* %placer_opts, long 0, ubyte 4
+ %tmp.105 = getelementptr [300 x sbyte]* %net_file, long 0, long 0
+ %tmp.106 = getelementptr [300 x sbyte]* %arch_file, long 0, long 0
+ %tmp.107 = getelementptr [300 x sbyte]* %place_file, long 0, long 0
+ %tmp.108 = getelementptr [300 x sbyte]* %route_file, long 0, long 0
+ %tmp.109 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 0
+ %tmp.112 = getelementptr %struct..s_placer_opts* %placer_opts, long 0, ubyte 0
+ %tmp.114 = getelementptr %struct..s_placer_opts* %placer_opts, long 0, ubyte 6
+ %tmp.118 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 7
+ %tmp.135 = load int* %operation
+ %tmp.137 = load int* %tmp.112
+ %tmp.138 = getelementptr %struct..s_placer_opts* %placer_opts, long 0, ubyte 1
+ %tmp.139 = load float* %tmp.138
+ %tmp.140 = getelementptr %struct..s_placer_opts* %placer_opts, long 0, ubyte 2
+ %tmp.141 = load int* %tmp.140
+ %tmp.142 = getelementptr %struct..s_placer_opts* %placer_opts, long 0, ubyte 3
+ %tmp.143 = load uint* %tmp.142
+ %tmp.145 = load sbyte** %tmp.101
+ %tmp.146 = getelementptr %struct..s_placer_opts* %placer_opts, long 0, ubyte 5
+ %tmp.147 = load uint* %tmp.146
+ %tmp.149 = load int* %tmp.114
+ %tmp.154 = load uint* %full_stats
+ %tmp.155 = load uint* %verify_binary_search
+ %tmp.156 = getelementptr %struct..s_annealing_sched* %annealing_sched, long 0, ubyte 0
+ %tmp.157 = load uint* %tmp.156
+ %tmp.158 = getelementptr %struct..s_annealing_sched* %annealing_sched, long 0, ubyte 1
+ %tmp.159 = load float* %tmp.158
+ %tmp.160 = getelementptr %struct..s_annealing_sched* %annealing_sched, long 0, ubyte 2
+ %tmp.161 = load float* %tmp.160
+ %tmp.162 = getelementptr %struct..s_annealing_sched* %annealing_sched, long 0, ubyte 3
+ %tmp.163 = load float* %tmp.162
+ %tmp.164 = getelementptr %struct..s_annealing_sched* %annealing_sched, long 0, ubyte 4
+ %tmp.165 = load float* %tmp.164
+ %tmp.166 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 0
+ %tmp.167 = load float* %tmp.166
+ %tmp.168 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 1
+ %tmp.169 = load float* %tmp.168
+ %tmp.170 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 2
+ %tmp.171 = load float* %tmp.170
+ %tmp.172 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 3
+ %tmp.173 = load float* %tmp.172
+ %tmp.174 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 4
+ %tmp.175 = load float* %tmp.174
+ %tmp.176 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 5
+ %tmp.177 = load int* %tmp.176
+ %tmp.178 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 6
+ %tmp.179 = load int* %tmp.178
+ %tmp.181 = load uint* %tmp.118
+ %tmp.182 = getelementptr %struct..s_router_opts* %router_opts, long 0, ubyte 8
+ %tmp.183 = load int* %tmp.182
+ %tmp.184 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 0
+ %tmp.185 = load uint* %tmp.184
+ %tmp.186 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 1
+ %tmp.187 = load float* %tmp.186
+ %tmp.188 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 2
+ %tmp.189 = load float* %tmp.188
+ %tmp.190 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 3
+ %tmp.191 = load float* %tmp.190
+ %tmp.192 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 4
+ %tmp.193 = load uint* %tmp.192
+ %tmp.194 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 5
+ %tmp.195 = load int* %tmp.194
+ %tmp.196 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 6
+ %tmp.197 = load short* %tmp.196
+ %tmp.198 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 7
+ %tmp.199 = load short* %tmp.198
+ %tmp.200 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 8
+ %tmp.201 = load short* %tmp.200
+ %tmp.202 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 9
+ %tmp.203 = load float* %tmp.202
+ %tmp.204 = getelementptr %struct..s_det_routing_arch* %det_routing_arch, long 0, ubyte 10
+ %tmp.205 = load float* %tmp.204
+ %tmp.206 = load %struct..s_segment_inf** %segment_inf
+ %tmp.208 = load uint* %tmp.109
+ %tmp.209 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 1
+ %tmp.210 = load float* %tmp.209
+ %tmp.211 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 2
+ %tmp.212 = load float* %tmp.211
+ %tmp.213 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 3
+ %tmp.214 = load float* %tmp.213
+ %tmp.215 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 4
+ %tmp.216 = load float* %tmp.215
+ %tmp.217 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 5
+ %tmp.218 = load float* %tmp.217
+ %tmp.219 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 6
+ %tmp.220 = load float* %tmp.219
+ %tmp.221 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 7
+ %tmp.222 = load float* %tmp.221
+ %tmp.223 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 8
+ %tmp.224 = load float* %tmp.223
+ %tmp.225 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 9
+ %tmp.226 = load float* %tmp.225
+ %tmp.227 = getelementptr { uint, float, float, float, float, float, float, float, float, float, float }* %timing_inf, long 0, ubyte 10
+ %tmp.228 = load float* %tmp.227
+ call void %place_and_route( int %tmp.135, int %tmp.137, float %tmp.139, int %tmp.141, uint %tmp.143, sbyte* %tmp.145, uint %tmp.147, int %tmp.149, sbyte* %tmp.107, sbyte* %tmp.105, sbyte* %tmp.106, sbyte* %tmp.108, uint %tmp.154, uint %tmp.155, uint %tmp.157, float %tmp.159, float %tmp.161, float %tmp.163, float %tmp.165, float %tmp.167, float %tmp.169, float %tmp.171, float %tmp.173, float %tmp.175, int %tmp.177, int %tmp.179, uint %tmp.181, int %tmp.183, uint %tmp.185, float %tmp.187, float %tmp.189, float %tmp.191, uint %tmp.193, int %tmp.195, short %tmp.197, short %tmp.199, short %tmp.201, float %tmp.203, float %tmp.205, %struct..s_segment_inf* %tmp.206, uint %tmp.208, float %tmp.210, float %tmp.212, float %tmp.214, float %tmp.216, float %tmp.218, float %tmp.220, float %tmp.222, float %tmp.224, float %tmp.226, float %tmp.228 )
+ %tmp.231 = load uint* %show_graphics
+ %tmp.232 = setne uint %tmp.231, 0
+ br bool %tmp.232, label %then.2, label %endif.2
+
+then.2:
+ br label %endif.2
+
+endif.2:
+ ret int 0
+}
+
+declare int %printf(sbyte*, ...)
+
+declare void %place_and_route(int, int, float, int, uint, sbyte*, uint, int, sbyte*, sbyte*, sbyte*, sbyte*, uint, uint, uint, float, float, float, float, float, float, float, float, float, int, int, uint, int, uint, float, float, float, uint, int, short, short, short, float, float, %struct..s_segment_inf*, uint, float, float, float, float, float, float, float, float, float, float)
diff --git a/test/LLC/2003-05-30-BadFoldGEP.ll b/test/LLC/2003-05-30-BadFoldGEP.ll
new file mode 100644
index 0000000..47caabb
--- /dev/null
+++ b/test/LLC/2003-05-30-BadFoldGEP.ll
@@ -0,0 +1,48 @@
+;; Date: May 28, 2003.
+;; From: test/Programs/External/SPEC/CINT2000/254.gap.llvm.bc
+;; Function: int %OpenOutput(sbyte* %filename.1)
+;;
+;; Error: A sequence of GEPs is folded incorrectly by llc during selection
+;; causing an assertion about a dynamic casting error.
+;; This code sequence was produced (correctly) by preselection
+;; from a nested pair of ConstantExpr getelementptrs.
+;; The code below is the output of preselection.
+;; The original ConstantExprs are included in a comment.
+;;
+;; Cause: FoldGetElemChain() was inserting an extra leading 0 even though
+;; the first instruction in the sequence contributes no indices.
+;; The next instruction contributes a leading non-zero so another
+;; zero should not be added before it!
+;;
+
+
+%FileType = type { int, [256 x sbyte], int, int, int, int }
+%OutputFiles = uninitialized global [16 x %FileType]
+%Output = internal global %FileType* null
+
+
+implementation; Functions:
+
+internal int %OpenOutput(sbyte* %filename.1) {
+entry:
+ %tmp.0 = load %FileType** %Output
+ %tmp.4 = getelementptr %FileType* %tmp.0, long 1
+
+ ;;------ Original instruction in 254.gap.llvm.bc:
+ ;; %tmp.10 = seteq { int, [256 x sbyte], int, int, int, int }* %tmp.4, getelementptr ([16 x { int, [256 x sbyte], int, int, int, int }]* getelementptr ([16 x { int, [256 x sbyte], int, int, int, int }]* %OutputFiles, long 1), long 0, long 0)
+
+ ;;------ Code sequence produced by preselection phase for above instr:
+ ;; This code sequence is folded incorrectly by llc during selection
+ ;; causing an assertion about a dynamic casting error.
+ %addrOfGlobal = getelementptr [16 x %FileType]* %OutputFiles, long 0
+ %constantGEP = getelementptr [16 x %FileType]* %addrOfGlobal, long 1
+ %constantGEP = getelementptr [16 x %FileType]* %constantGEP, long 0, long 0
+ %tmp.10 = seteq %FileType* %tmp.4, %constantGEP
+ br bool %tmp.10, label %return, label %endif.0
+
+endif.0:
+ ret int 0
+
+return:
+ ret int 1
+}
diff --git a/test/LLC/2003-05-30-BadPreselectPhi.ll b/test/LLC/2003-05-30-BadPreselectPhi.ll
new file mode 100644
index 0000000..76f4a91
--- /dev/null
+++ b/test/LLC/2003-05-30-BadPreselectPhi.ll
@@ -0,0 +1,58 @@
+;; Date: May 28, 2003.
+;; From: test/Programs/SingleSource/richards_benchmark.c
+;; Function: struct task *handlerfn(struct packet *pkt)
+;;
+;; Error: PreSelection puts the arguments of the Phi just before
+;; the Phi instead of in predecessor blocks. This later
+;; causes llc to produces an invalid register <NULL VALUE>
+;; for the phi arguments.
+;;
+;; PreSelection Output:
+;; *** LLVM code after pre-selection for function handlerfn:
+;;
+;;
+;; %struct..task* %handlerfn(%struct..packet*) {
+;; ; <label>:0 ; No predecessors!
+;; setne %struct..packet* %0, null ; <bool>:0 [#uses=1]
+;; br bool %0, label %1, label %2
+;;
+;; ; <label>:1 ; preds = %0
+;; br label %2
+;;
+;; ; <label>:2 ; preds = %0, %1
+;; %addrOfGlobal = getelementptr int* %v2, long 0 ; <int*> [#uses=1]
+;; %addrOfGlobal1 = getelementptr int* %v1, long 0 ; <int*> [#uses=1]
+;; phi int* [ %addrOfGlobal, %1 ], [ %addrOfGlobal1, %0 ] ; <int*>:0 [#uses=1]
+;; cast int* %0 to %struct..packet* ; <%struct..packet*>:1 [#uses=1]
+;; call void %append( %struct..packet* %0, %struct..packet* %1 )
+;; ret %struct..task* null
+;; }
+;; llc: ../../../include/llvm/CodeGen/MachineInstr.h:294: int MachineOperand::getAllocatedRegNum() const: Assertion `hasAllocatedReg()' failed.
+;;
+
+
+target endian = little
+target pointersize = 32
+ %struct..packet = type { %struct..packet*, int, int, int, [4 x sbyte] }
+ %struct..task = type { %struct..task*, int, int, %struct..packet*, int, %struct..task* (%struct..packet*)*, int, int }
+%v1 = external global int
+%v2 = external global int
+
+implementation ; Functions:
+
+%struct..task* %handlerfn(%struct..packet* %pkt.2) {
+entry: ; No predecessors!
+ %tmp.1 = setne %struct..packet* %pkt.2, null
+ br bool %tmp.1, label %cond_false, label %cond_continue
+
+cond_false: ; preds = %entry
+ br label %cond_continue
+
+cond_continue: ; preds = %entry, %cond_false
+ %mem_tmp.0 = phi int* [ %v2, %cond_false ], [ %v1, %entry ]
+ %tmp.12 = cast int* %mem_tmp.0 to %struct..packet*
+ call void %append( %struct..packet* %pkt.2, %struct..packet* %tmp.12 )
+ ret %struct..task* null
+}
+
+declare void %append(%struct..packet*, %struct..packet*)