; RUN: opt < %s -instcombine -S
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"
target triple = "i386-apple-darwin10.0"
define i32 @test0(i8 %tmp2) ssp {
entry:
%tmp3 = zext i8 %tmp2 to i32
%tmp8 = lshr i32 %tmp3, 6
%tmp9 = lshr i32 %tmp3, 7
%tmp10 = xor i32 %tmp9, 67108858
%tmp11 = xor i32 %tmp10, %tmp8
%tmp12 = xor i32 %tmp11, 0
ret i32 %tmp12
}
; PR4905
define <2 x i64> @test1(<2 x i64> %x, <2 x i64> %y) nounwind {
entry:
%conv.i94 = bitcast <2 x i64> %y to <4 x i32> ; <<4 x i32>> [#uses=1]
%sub.i97 = sub <4 x i32> %conv.i94, undef ; <<4 x i32>> [#uses=1]
%conv3.i98 = bitcast <4 x i32> %sub.i97 to <2 x i64> ; <<2 x i64>> [#uses=2]
%conv2.i86 = bitcast <2 x i64> %conv3.i98 to <4 x i32> ; <<4 x i32>> [#uses=1]
%cmp.i87 = icmp sgt <4 x i32> undef, %conv2.i86 ; <<4 x i1>> [#uses=1]
%sext.i88 = sext <4 x i1> %cmp.i87 to <4 x i32> ; <<4 x i32>> [#uses=1]
%conv3.i89 = bitcast <4 x i32> %sext.i88 to <2 x i64> ; <<2 x i64>> [#uses=1]
%and.i = and <2 x i64> %conv3.i89, %conv3.i98 ; <<2 x i64>> [#uses=1]
%or.i = or <2 x i64> zeroinitializer, %and.i ; <<2 x i64>> [#uses=1]
%conv2.i43 = bitcast <2 x i64> %or.i to <4 x i32> ; <<4 x i32>> [#uses=1]
%sub.i = sub <4 x i32> zeroinitializer, %conv2.i43 ; <<4 x i32>> [#uses=1]
%conv3.i44 = bitcast <4 x i32> %sub.i to <2 x i64> ; <<2 x i64>> [#uses=1]
ret <2 x i64> %conv3.i44
}
; PR4908
define void @test2(<1 x i16>* nocapture %b, i32* nocapture %c) nounwind ssp {
entry:
%arrayidx = getelementptr inbounds <1 x i16>* %b, i64 undef ; <<1 x i16>*>
%tmp2 = load <1 x i16>* %arrayidx ; <<1 x i16>> [#uses=1]
%tmp6 = bitcast <1 x i16> %tmp2 to i16 ; <i16> [#uses=1]
%tmp7 = zext i16 %tmp6 to i32 ; <i32> [#uses=1]
%ins = or i32 0, %tmp7 ; <i32> [#uses=1]
%arrayidx20 = getelementptr inbounds i32* %c, i64 undef ; <i32*> [#uses=1]
store i32 %ins, i32* %arrayidx20
ret void
}
; PR5262
@tmp2 = global i64 0 ; <i64*> [#uses=1]
declare void @use(i64) nounwind
define void @foo(i1) nounwind align 2 {
; <label>:1
br i1 %0, label %2, label %3
; <label>:2 ; preds = %1
br label %3
; <label>:3 ; preds = %2, %1
%4 = phi i8 [ 1, %2 ], [ 0, %1 ] ; <i8> [#uses=1]
%5 = icmp eq i8 %4, 0 ; <i1> [#uses=1]
%6 = load i64* @tmp2, align 8 ; <i64> [#uses=1]
%7 = select i1 %5, i64 0, i64 %6 ; <i64> [#uses=1]
br label %8
; <label>:8 ; preds = %3
call void @use(i64 %7)
ret void
}
%t0 = type { i32, i32 }
%t1 = type { i32, i32, i32, i32, i32* }
declare %t0* @bar2(i64)
define void @bar3(i1, i1) nounwind align 2 {
; <label>:2
br i1 %1, label %10, label %3
; <label>:3 ; preds = %2
%4 = getelementptr inbounds %t0* null, i64 0, i32 1 ; <i32*> [#uses=0]
%5 = getelementptr inbounds %t1* null, i64 0, i32 4 ; <i32**> [#uses=1]
%6 = load i32** %5, align 8 ; <i32*> [#uses=1]
%7 = icmp ne i32* %6, null ; <i1> [#uses=1]
%8 = zext i1 %7 to i32 ; <i32> [#uses=1]
%9 = add i32 %8, 0 ; <i32> [#uses=1]
br label %10
; <label>:10 ; preds = %3, %2
%11 = phi i32 [ %9, %3 ], [ 0, %2 ] ; <i32> [#uses=1]
br i1 %1, label %12, label %13
; <label>:12 ; preds = %10
br label %13
; <label>:13 ; preds = %12, %10
%14 = zext i32 %11 to i64 ; <i64> [#uses=1]
%15 = tail call %t0* @bar2(i64 %14) nounwind ; <%0*> [#uses=0]
ret void
}
; PR5262
; Make sure the PHI node gets put in a place where all of its operands dominate
; it.
define i64 @test4(i1 %c, i64* %P) nounwind align 2 {
BB0:
br i1 %c, label %BB1, label %BB2
BB1:
br label %BB2
BB2:
%v5_ = phi i1 [ true, %BB0], [false, %BB1]
%v6 = load i64* %P
br label %l8
l8:
br label %l10
l10:
%v11 = select i1 %v5_, i64 0, i64 %v6
ret i64 %v11
}
; PR5471
define i32 @test5a() {
ret i32 0
}
define void @test5() {
store i1 true, i1* undef
%r = invoke i32 @test5a() to label %exit unwind label %unwind
unwind:
%exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0
cleanup
br label %exit
exit:
ret void
}
; PR5673
@test6g = external global i32*
define arm_aapcs_vfpcc i32 @test6(i32 %argc, i8** %argv) nounwind {
entry:
store i32* getelementptr (i32* bitcast (i32 (i32, i8**)* @test6 to i32*), i32 -2048), i32** @test6g, align 4
unreachable
}
; PR5827
%class.RuleBasedBreakIterator = type { i64 ()* }
%class.UStack = type { i8** }
define i32 @_ZN22RuleBasedBreakIterator15checkDictionaryEi(%class.RuleBasedBreakIterator* %this, i32 %x) align 2 {
entry:
%breaks = alloca %class.UStack, align 4 ; <%class.UStack*> [#uses=3]
call void @_ZN6UStackC1Ei(%class.UStack* %breaks, i32 0)
%tobool = icmp ne i32 %x, 0 ; <i1> [#uses=1]
br i1 %tobool, label %cond.end, label %cond.false
terminate.handler: ; preds = %ehcleanup
%exc = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
cleanup
call void @_ZSt9terminatev() noreturn nounwind
unreachable
ehcleanup: ; preds = %cond.false
%exc1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
catch i8* null
invoke void @_ZN6UStackD1Ev(%class.UStack* %breaks)
to label %cont unwind label %terminate.handler
cont: ; preds = %ehcleanup
resume { i8*, i32 } %exc1
cond.false: ; preds = %entry
%tmp4 = getelementptr inbounds %class.RuleBasedBreakIterator* %this, i32 0, i32 0 ; <i64 ()**> [#uses=1]
%tmp5 = load i64 ()** %tmp4 ; <i64 ()*> [#uses=1]
%call = invoke i64 %tmp5()
to label %cond.end unwind label %ehcleanup ; <i64> [#uses=1]
cond.end: ; preds = %cond.false, %entry
%cond = phi i64 [ 0, %entry ], [ %call, %cond.false ] ; <i64> [#uses=1]
%conv = trunc i64 %cond to i32 ; <i32> [#uses=1]
call void @_ZN6UStackD1Ev(%class.UStack* %breaks)
ret i32 %conv
}
declare void @_ZN6UStackC1Ei(%class.UStack*, i32)
declare void @_ZN6UStackD1Ev(%class.UStack*)
declare i32 @__gxx_personality_v0(...)
declare void @_ZSt9terminatev()
declare void @_Unwind_Resume_or_Rethrow(i8*)
; rdar://7590304
define i8* @test10(i8* %self, i8* %tmp3) {
entry:
store i1 true, i1* undef
store i1 true, i1* undef
invoke void @test10a()
to label %invoke.cont unwind label %try.handler ; <i8*> [#uses=0]
invoke.cont: ; preds = %entry
unreachable
try.handler: ; preds = %entry
%exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0
catch i8* null
ret i8* %self
}
define void @test10a() {
ret void
}
; PR6193
define i32 @test11(i32 %aMaskWidth, i8 %aStride) nounwind {
entry:
%conv41 = sext i8 %aStride to i32
%neg = xor i32 %conv41, -1
%and42 = and i32 %aMaskWidth, %neg
%and47 = and i32 130, %conv41
%or = or i32 %and42, %and47
ret i32 %or
}
; PR6503
define void @test12(i32* %A) nounwind {
entry:
%tmp1 = load i32* %A
%cmp = icmp ugt i32 1, %tmp1 ; <i1> [#uses=1]
%conv = zext i1 %cmp to i32 ; <i32> [#uses=1]
%tmp2 = load i32* %A
%cmp3 = icmp ne i32 %tmp2, 0 ; <i1> [#uses=1]
%conv4 = zext i1 %cmp3 to i32 ; <i32> [#uses=1]
%or = or i32 %conv, %conv4 ; <i32> [#uses=1]
%cmp5 = icmp ugt i32 undef, %or ; <i1> [#uses=1]
%conv6 = zext i1 %cmp5 to i32 ; <i32> [#uses=0]
ret void
}
%s1 = type { %s2, %s2, [6 x %s2], i32, i32, i32, [1 x i32], [0 x i8] }
%s2 = type { i64 }
define void @test13() nounwind ssp {
entry:
%0 = getelementptr inbounds %s1* null, i64 0, i32 2, i64 0, i32 0
%1 = bitcast i64* %0 to i32*
%2 = getelementptr inbounds %s1* null, i64 0, i32 2, i64 1, i32 0
%.pre = load i32* %1, align 8
%3 = lshr i32 %.pre, 19
%brmerge = or i1 undef, undef
%4 = and i32 %3, 3
%5 = add nsw i32 %4, 1
%6 = shl i32 %5, 19
%7 = add i32 %6, 1572864
%8 = and i32 %7, 1572864
%9 = load i64* %2, align 8
%trunc156 = trunc i64 %9 to i32
%10 = and i32 %trunc156, -1537
%11 = and i32 %10, -6145
%12 = or i32 %11, 2048
%13 = and i32 %12, -24577
%14 = or i32 %13, 16384
%15 = or i32 %14, 98304
store i32 %15, i32* undef, align 8
%16 = and i32 %15, -1572865
%17 = or i32 %16, %8
store i32 %17, i32* undef, align 8
%18 = and i32 %17, -449
%19 = or i32 %18, 64
store i32 %19, i32* undef, align 8
unreachable
}
; PR8807
declare i32 @test14f(i8* (i8*)*) nounwind
define void @test14() nounwind readnone {
entry:
%tmp = bitcast i32 (i8* (i8*)*)* @test14f to i32 (i32*)*
%call10 = call i32 %tmp(i32* byval undef)
ret void
}
; PR8896
@g_54 = external global [7 x i16]
define void @test15(i32* %p_92) nounwind {
entry:
%0 = load i32* %p_92, align 4
%1 = icmp ne i32 %0, 0
%2 = zext i1 %1 to i32
%3 = call i32 @func_14() nounwind
%4 = trunc i32 %3 to i16
%5 = sext i16 %4 to i32
%6 = trunc i32 %5 to i16
br i1 undef, label %"3", label %"5"
"3": ; preds = %entry
%7 = sext i16 %6 to i32
%8 = ashr i32 %7, -1649554541
%9 = trunc i32 %8 to i16
br label %"5"
"5": ; preds = %"3", %entry
%10 = phi i16 [ %9, %"3" ], [ %6, %entry ]
%11 = sext i16 %10 to i32
%12 = xor i32 %2, %11
%13 = sext i32 %12 to i64
%14 = icmp ne i64 %13, 0
br i1 %14, label %return, label %"7"
"7": ; preds = %"5"
ret void
return: ; preds = %"5"
ret void
}
declare i32 @func_14()
define double @test16(i32 %a) nounwind {
%cmp = icmp slt i32 %a, 2
%select = select i1 %cmp, double 2.000000e+00, double 3.141592e+00
ret double %select
}
; PR8983
%struct.basic_ios = type { i8 }
define %struct.basic_ios *@test17() ssp {
entry:
%add.ptr.i = getelementptr i8* null, i64 undef
%0 = bitcast i8* %add.ptr.i to %struct.basic_ios*
ret %struct.basic_ios* %0
}
; PR9013
define void @test18() nounwind ssp {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%l_197.0 = phi i32 [ 0, %entry ], [ %sub.i, %for.inc ]
br label %for.inc
for.inc: ; preds = %for.cond
%conv = and i32 %l_197.0, 255
%sub.i = add nsw i32 %conv, -1
br label %for.cond
return: ; No predecessors!
ret void
}
; PR11275
declare void @test18b() noreturn
declare void @test18foo(double**)
declare void @test18a() noreturn
define fastcc void @test18x(i8* %t0, i1 %b) uwtable align 2 {
entry:
br i1 %b, label %e1, label %e2
e1:
%t2 = bitcast i8* %t0 to double**
invoke void @test18b() noreturn
to label %u unwind label %lpad
e2:
%t4 = bitcast i8* %t0 to double**
invoke void @test18a() noreturn
to label %u unwind label %lpad
lpad:
%t5 = phi double** [ %t2, %e1 ], [ %t4, %e2 ]
%lpad.nonloopexit262 = landingpad { i8*, i32 } personality i32 (...)* @__gxx_personality_v0
cleanup
call void @test18foo(double** %t5)
unreachable
u:
unreachable
}