1 ; RUN: opt < %s -passes=instcombine -S
2 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-f80:128:128-n8:16:32"
3 target triple = "i386-apple-darwin10.0"
5 define i32 @test0(i8 %tmp2) ssp {
7 %tmp3 = zext i8 %tmp2 to i32
8 %tmp8 = lshr i32 %tmp3, 6
9 %tmp9 = lshr i32 %tmp3, 7
10 %tmp10 = xor i32 %tmp9, 67108858
11 %tmp11 = xor i32 %tmp10, %tmp8
12 %tmp12 = xor i32 %tmp11, 0
17 define <2 x i64> @test1(<2 x i64> %x, <2 x i64> %y) nounwind {
19 %conv.i94 = bitcast <2 x i64> %y to <4 x i32> ; <<4 x i32>> [#uses=1]
20 %sub.i97 = sub <4 x i32> %conv.i94, poison ; <<4 x i32>> [#uses=1]
21 %conv3.i98 = bitcast <4 x i32> %sub.i97 to <2 x i64> ; <<2 x i64>> [#uses=2]
22 %conv2.i86 = bitcast <2 x i64> %conv3.i98 to <4 x i32> ; <<4 x i32>> [#uses=1]
23 %cmp.i87 = icmp sgt <4 x i32> poison, %conv2.i86 ; <<4 x i1>> [#uses=1]
24 %sext.i88 = sext <4 x i1> %cmp.i87 to <4 x i32> ; <<4 x i32>> [#uses=1]
25 %conv3.i89 = bitcast <4 x i32> %sext.i88 to <2 x i64> ; <<2 x i64>> [#uses=1]
26 %and.i = and <2 x i64> %conv3.i89, %conv3.i98 ; <<2 x i64>> [#uses=1]
27 %or.i = or <2 x i64> zeroinitializer, %and.i ; <<2 x i64>> [#uses=1]
28 %conv2.i43 = bitcast <2 x i64> %or.i to <4 x i32> ; <<4 x i32>> [#uses=1]
29 %sub.i = sub <4 x i32> zeroinitializer, %conv2.i43 ; <<4 x i32>> [#uses=1]
30 %conv3.i44 = bitcast <4 x i32> %sub.i to <2 x i64> ; <<2 x i64>> [#uses=1]
31 ret <2 x i64> %conv3.i44
36 define void @test2(ptr nocapture %b, ptr nocapture %c) nounwind ssp {
38 %arrayidx = getelementptr inbounds <1 x i16>, ptr %b, i64 0 ; <ptr>
39 %tmp2 = load <1 x i16>, ptr %arrayidx ; <<1 x i16>> [#uses=1]
40 %tmp6 = bitcast <1 x i16> %tmp2 to i16 ; <i16> [#uses=1]
41 %tmp7 = zext i16 %tmp6 to i32 ; <i32> [#uses=1]
42 %ins = or i32 0, %tmp7 ; <i32> [#uses=1]
43 %arrayidx20 = getelementptr inbounds i32, ptr %c, i64 0 ; <ptr> [#uses=1]
44 store i32 %ins, ptr %arrayidx20
49 @tmp2 = global i64 0 ; <ptr> [#uses=1]
51 declare void @use(i64) nounwind
53 define void @foo(i1) nounwind align 2 {
55 br i1 %0, label %2, label %3
57 ; <label>:2 ; preds = %1
60 ; <label>:3 ; preds = %2, %1
61 %4 = phi i8 [ 1, %2 ], [ 0, %1 ] ; <i8> [#uses=1]
62 %5 = icmp eq i8 %4, 0 ; <i1> [#uses=1]
63 %6 = load i64, ptr @tmp2, align 8 ; <i64> [#uses=1]
64 %7 = select i1 %5, i64 0, i64 %6 ; <i64> [#uses=1]
67 ; <label>:8 ; preds = %3
68 call void @use(i64 %7)
72 %t0 = type { i32, i32 }
73 %t1 = type { i32, i32, i32, i32, ptr }
75 declare ptr @bar2(i64)
77 define void @bar3(i1, i1) nounwind align 2 {
79 br i1 %1, label %10, label %3
81 ; <label>:3 ; preds = %2
82 %4 = getelementptr inbounds %t0, ptr null, i64 0, i32 1 ; <ptr> [#uses=0]
83 %5 = getelementptr inbounds %t1, ptr null, i64 0, i32 4 ; <ptr> [#uses=1]
84 %6 = load ptr, ptr %5, align 8 ; <ptr> [#uses=1]
85 %7 = icmp ne ptr %6, null ; <i1> [#uses=1]
86 %8 = zext i1 %7 to i32 ; <i32> [#uses=1]
87 %9 = add i32 %8, 0 ; <i32> [#uses=1]
90 ; <label>:10 ; preds = %3, %2
91 %11 = phi i32 [ %9, %3 ], [ 0, %2 ] ; <i32> [#uses=1]
92 br i1 %1, label %12, label %13
94 ; <label>:12 ; preds = %10
97 ; <label>:13 ; preds = %12, %10
98 %14 = zext i32 %11 to i64 ; <i64> [#uses=1]
99 %15 = tail call ptr @bar2(i64 %14) nounwind ; <ptr> [#uses=0]
107 ; Make sure the PHI node gets put in a place where all of its operands dominate
109 define i64 @test4(i1 %c, ptr %P) nounwind align 2 {
111 br i1 %c, label %BB1, label %BB2
117 %v5_ = phi i1 [ true, %BB0], [false, %BB1]
118 %v6 = load i64, ptr %P
125 %v11 = select i1 %v5_, i64 0, i64 %v6
130 define i32 @test5a() {
134 define void @test5(ptr %ptr) personality ptr @__gxx_personality_v0 {
135 store i1 true, ptr %ptr
136 %r = invoke i32 @test5a() to label %exit unwind label %unwind
138 %exn = landingpad {ptr, i32}
148 @test6g = external global ptr
150 define arm_aapcs_vfpcc i32 @test6(i32 %argc, ptr %argv) nounwind {
152 store ptr getelementptr (i32, ptr @test6, i32 -2048), ptr @test6g, align 4
159 %class.RuleBasedBreakIterator = type { ptr }
160 %class.UStack = type { ptr }
162 define i32 @_ZN22RuleBasedBreakIterator15checkDictionaryEi(ptr %this, i32 %x) align 2 personality ptr @__gxx_personality_v0 {
164 %breaks = alloca %class.UStack, align 4 ; <ptr> [#uses=3]
165 call void @_ZN6UStackC1Ei(ptr %breaks, i32 0)
166 %tobool = icmp ne i32 %x, 0 ; <i1> [#uses=1]
167 br i1 %tobool, label %cond.end, label %cond.false
169 terminate.handler: ; preds = %ehcleanup
170 %exc = landingpad { ptr, i32 }
172 call void @_ZSt9terminatev() noreturn nounwind
175 ehcleanup: ; preds = %cond.false
176 %exc1 = landingpad { ptr, i32 }
178 invoke void @_ZN6UStackD1Ev(ptr %breaks)
179 to label %cont unwind label %terminate.handler
181 cont: ; preds = %ehcleanup
182 resume { ptr, i32 } %exc1
184 cond.false: ; preds = %entry
185 %tmp4 = getelementptr inbounds %class.RuleBasedBreakIterator, ptr %this, i32 0, i32 0 ; <ptr> [#uses=1]
186 %tmp5 = load ptr, ptr %tmp4 ; <ptr> [#uses=1]
187 %call = invoke i64 %tmp5()
188 to label %cond.end unwind label %ehcleanup ; <i64> [#uses=1]
190 cond.end: ; preds = %cond.false, %entry
191 %cond = phi i64 [ 0, %entry ], [ %call, %cond.false ] ; <i64> [#uses=1]
192 %conv = trunc i64 %cond to i32 ; <i32> [#uses=1]
193 call void @_ZN6UStackD1Ev(ptr %breaks)
197 declare void @_ZN6UStackC1Ei(ptr, i32)
199 declare void @_ZN6UStackD1Ev(ptr)
201 declare i32 @__gxx_personality_v0(...)
203 declare void @_ZSt9terminatev()
205 declare void @_Unwind_Resume_or_Rethrow(ptr)
210 define ptr @test10(ptr %self, ptr %tmp3, ptr %ptr1, ptr %ptr2) personality ptr @__gxx_personality_v0 {
212 store i1 true, ptr %ptr1
213 store i1 true, ptr %ptr2
214 invoke void @test10a()
215 to label %invoke.cont unwind label %try.handler ; <ptr> [#uses=0]
217 invoke.cont: ; preds = %entry
220 try.handler: ; preds = %entry
221 %exn = landingpad {ptr, i32}
226 define void @test10a() {
232 define i32 @test11(i32 %aMaskWidth, i8 %aStride) nounwind {
234 %conv41 = sext i8 %aStride to i32
235 %neg = xor i32 %conv41, -1
236 %and42 = and i32 %aMaskWidth, %neg
237 %and47 = and i32 130, %conv41
238 %or = or i32 %and42, %and47
243 define void @test12(ptr %A) nounwind {
245 %tmp1 = load i32, ptr %A
246 %cmp = icmp ugt i32 1, %tmp1 ; <i1> [#uses=1]
247 %conv = zext i1 %cmp to i32 ; <i32> [#uses=1]
248 %tmp2 = load i32, ptr %A
249 %cmp3 = icmp ne i32 %tmp2, 0 ; <i1> [#uses=1]
250 %conv4 = zext i1 %cmp3 to i32 ; <i32> [#uses=1]
251 %or = or i32 %conv, %conv4 ; <i32> [#uses=1]
252 %cmp5 = icmp ugt i32 0, %or ; <i1> [#uses=1]
253 %conv6 = zext i1 %cmp5 to i32 ; <i32> [#uses=0]
257 %s1 = type { %s2, %s2, [6 x %s2], i32, i32, i32, [1 x i32], [0 x i8] }
259 define void @test13(ptr %ptr1, ptr %ptr2, ptr %ptr3) nounwind {
261 %0 = getelementptr inbounds %s1, ptr null, i64 0, i32 2, i64 0, i32 0
262 %1 = getelementptr inbounds %s1, ptr null, i64 0, i32 2, i64 1, i32 0
263 %.pre = load i32, ptr %0, align 8
264 %2 = lshr i32 %.pre, 19
265 %brmerge = or i1 1, 0
267 %4 = add nsw i32 %3, 1
269 %6 = add i32 %5, 1572864
270 %7 = and i32 %6, 1572864
271 %8 = load i64, ptr %1, align 8
272 %trunc156 = trunc i64 %8 to i32
273 %9 = and i32 %trunc156, -1537
274 %10 = and i32 %9, -6145
275 %11 = or i32 %10, 2048
276 %12 = and i32 %11, -24577
277 %13 = or i32 %12, 16384
278 %14 = or i32 %13, 98304
279 store i32 %14, ptr %ptr1, align 8
280 %15 = and i32 %14, -1572865
282 store i32 %16, ptr %ptr2, align 8
283 %17 = and i32 %16, -449
285 store i32 %18, ptr %ptr3, align 8
291 declare i32 @test14f(ptr) nounwind
293 define void @test14(ptr %ptr) nounwind readnone {
295 %call10 = call i32 @test14f(ptr byval(i32) %ptr)
301 @g_54 = external global [7 x i16]
303 define void @test15(ptr %p_92, i1 %c1) nounwind {
305 %0 = load i32, ptr %p_92, align 4
306 %1 = icmp ne i32 %0, 0
307 %2 = zext i1 %1 to i32
308 %3 = call i32 @func_14() nounwind
309 %4 = trunc i32 %3 to i16
310 %5 = sext i16 %4 to i32
311 %6 = trunc i32 %5 to i16
312 br i1 %c1, label %"3", label %"5"
314 "3": ; preds = %entry
315 %7 = sext i16 %6 to i32
316 %8 = ashr i32 %7, -1649554541
317 %9 = trunc i32 %8 to i16
320 "5": ; preds = %"3", %entry
321 %10 = phi i16 [ %9, %"3" ], [ %6, %entry ]
322 %11 = sext i16 %10 to i32
323 %12 = xor i32 %2, %11
324 %13 = sext i32 %12 to i64
325 %14 = icmp ne i64 %13, 0
326 br i1 %14, label %return, label %"7"
331 return: ; preds = %"5"
335 declare i32 @func_14()
338 define double @test16(i32 %a) nounwind {
339 %cmp = icmp slt i32 %a, 2
340 %select = select i1 %cmp, double 2.000000e+00, double 3.141592e+00
346 %struct.basic_ios = type { i8 }
348 define ptr@test17() ssp {
354 define void @test18() nounwind ssp {
358 for.cond: ; preds = %for.inc, %entry
359 %l_197.0 = phi i32 [ 0, %entry ], [ %sub.i, %for.inc ]
362 for.inc: ; preds = %for.cond
363 %conv = and i32 %l_197.0, 255
364 %sub.i = add nsw i32 %conv, -1
367 return: ; No predecessors!
372 declare void @test18b() noreturn
373 declare void @test18foo(ptr)
374 declare void @test18a() noreturn
375 define fastcc void @test18x(ptr %t0, i1 %b) uwtable align 2 personality ptr @__gxx_personality_v0 {
377 br i1 %b, label %e1, label %e2
379 invoke void @test18b() noreturn
380 to label %u unwind label %lpad
382 invoke void @test18a() noreturn
383 to label %u unwind label %lpad
385 %t5 = phi ptr [ %t0, %e1 ], [ %t0, %e2 ]
386 %lpad.nonloopexit262 = landingpad { ptr, i32 }
388 call void @test18foo(ptr %t5)