-; RUN: opt < %s -instcombine | llvm-dis
-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"
+; 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 {
; 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]
+ %arrayidx = getelementptr inbounds <1 x i16>, <1 x i16>* %b, i64 undef ; <<1 x i16>*>
+ %tmp2 = load <1 x i16>, <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]
+ %arrayidx20 = getelementptr inbounds i32, 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, 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, %t0* null, i64 0, i32 1 ; <i32*> [#uses=0]
+ %5 = getelementptr inbounds %t1, %t1* null, i64 0, i32 4 ; <i32**> [#uses=1]
+ %6 = load i32*, 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, 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() personality i32 (...)* @__gxx_personality_v0 {
+ store i1 true, i1* undef
+ %r = invoke i32 @test5a() to label %exit unwind label %unwind
+unwind:
+ %exn = landingpad {i8*, i32}
+ 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, 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 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
+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 }
+ cleanup
+ call void @_ZSt9terminatev() noreturn nounwind
+ unreachable
+
+ehcleanup: ; preds = %cond.false
+ %exc1 = landingpad { i8*, i32 }
+ 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, %class.RuleBasedBreakIterator* %this, i32 0, i32 0 ; <i64 ()**> [#uses=1]
+ %tmp5 = load i64 ()*, 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) personality i32 (...)* @__gxx_personality_v0 {
+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}
+ 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, i32* %A
+ %cmp = icmp ugt i32 1, %tmp1 ; <i1> [#uses=1]
+ %conv = zext i1 %cmp to i32 ; <i32> [#uses=1]
+ %tmp2 = load i32, 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, %s1* null, i64 0, i32 2, i64 0, i32 0
+ %1 = bitcast i64* %0 to i32*
+ %2 = getelementptr inbounds %s1, %s1* null, i64 0, i32 2, i64 1, i32 0
+ %.pre = load i32, 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, 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, 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, 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 personality i32 (...)* @__gxx_personality_v0 {
+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 }
+ cleanup
+ call void @test18foo(double** %t5)
+ unreachable
+u:
+ unreachable
+}