crash.ll
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; RUN: opt < %s -jump-threading -S | FileCheck %s
; PR2285
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-unknown-linux-gnu"
%struct.system__secondary_stack__mark_id = type { i64, i64 }
define void @_ada_c35507b() {
entry:
br label %bb
bb: ; preds = %bb13, %entry
%ch.0 = phi i8 [ 0, %entry ], [ 0, %bb13 ] ; <i8> [#uses=1]
%tmp11 = icmp ugt i8 %ch.0, 31 ; <i1> [#uses=1]
%tmp120 = call %struct.system__secondary_stack__mark_id @system__secondary_stack__ss_mark( ) ; <%struct.system__secondary_stack__mark_id> [#uses=1]
br i1 %tmp11, label %bb110, label %bb13
bb13: ; preds = %bb
br label %bb
bb110: ; preds = %bb
%mrv_gr124 = extractvalue %struct.system__secondary_stack__mark_id %tmp120, 1 ; <i64> [#uses=0]
unreachable
}
declare %struct.system__secondary_stack__mark_id @system__secondary_stack__ss_mark()
define fastcc void @findratio(double* nocapture %res1, double* nocapture %res2) nounwind ssp {
entry:
br label %bb12
bb6.us:
%tmp = icmp eq i32 undef, undef
%tmp1 = fsub double undef, undef
%tmp2 = fcmp ult double %tmp1, 0.000000e+00
br i1 %tmp, label %bb6.us, label %bb13
bb12:
%tmp3 = fcmp ult double undef, 0.000000e+00
br label %bb13
bb13:
%.lcssa31 = phi double [ undef, %bb12 ], [ %tmp1, %bb6.us ]
%.lcssa30 = phi i1 [ %tmp3, %bb12 ], [ %tmp2, %bb6.us ]
br i1 %.lcssa30, label %bb15, label %bb61
bb15:
%tmp4 = fsub double -0.000000e+00, %.lcssa31
ret void
bb61:
ret void
}
; PR5258
define i32 @test(i1 %cond, i1 %cond2, i32 %a) {
A:
br i1 %cond, label %F, label %A1
F:
br label %A1
A1:
%d = phi i1 [false, %A], [true, %F]
%e = add i32 %a, %a
br i1 %d, label %B, label %G
G:
br i1 %cond2, label %B, label %D
B:
%f = phi i32 [%e, %G], [%e, %A1]
%b = add i32 0, 0
switch i32 %a, label %C [
i32 7, label %D
i32 8, label %D
i32 9, label %D
]
C:
br label %D
D:
%c = phi i32 [%e, %B], [%e, %B], [%e, %B], [%f, %C], [%e, %G]
ret i32 %c
E:
ret i32 412
}
define i32 @test2() nounwind {
entry:
br i1 true, label %decDivideOp.exit, label %bb7.i
bb7.i: ; preds = %bb7.i, %entry
br label %bb7.i
decDivideOp.exit: ; preds = %entry
ret i32 undef
}
; PR3298
define i32 @test3(i32 %p_79, i32 %p_80) nounwind {
entry:
br label %bb7
bb1: ; preds = %bb2
br label %bb2
bb2: ; preds = %bb7, %bb1
%l_82.0 = phi i8 [ 0, %bb1 ], [ %l_82.1, %bb7 ] ; <i8> [#uses=3]
br i1 true, label %bb3, label %bb1
bb3: ; preds = %bb2
%0 = icmp eq i32 %p_80_addr.1, 0 ; <i1> [#uses=1]
br i1 %0, label %bb7, label %bb6
bb5: ; preds = %bb6
%1 = icmp eq i8 %l_82.0, 0 ; <i1> [#uses=1]
br i1 %1, label %bb1.i, label %bb.i
bb.i: ; preds = %bb5
br label %safe_div_func_char_s_s.exit
bb1.i: ; preds = %bb5
br label %safe_div_func_char_s_s.exit
safe_div_func_char_s_s.exit: ; preds = %bb1.i, %bb.i
br label %bb6
bb6: ; preds = %safe_div_func_char_s_s.exit, %bb3
%p_80_addr.0 = phi i32 [ %p_80_addr.1, %bb3 ], [ 1, %safe_div_func_char_s_s.exit ] ; <i32> [#uses=2]
%2 = icmp eq i32 %p_80_addr.0, 0 ; <i1> [#uses=1]
br i1 %2, label %bb7, label %bb5
bb7: ; preds = %bb6, %bb3, %entry
%l_82.1 = phi i8 [ 1, %entry ], [ %l_82.0, %bb3 ], [ %l_82.0, %bb6 ] ; <i8> [#uses=2]
%p_80_addr.1 = phi i32 [ 0, %entry ], [ %p_80_addr.1, %bb3 ], [ %p_80_addr.0, %bb6 ] ; <i32> [#uses=4]
%3 = icmp eq i32 %p_80_addr.1, 0 ; <i1> [#uses=1]
br i1 %3, label %bb8, label %bb2
bb8: ; preds = %bb7
%4 = sext i8 %l_82.1 to i32 ; <i32> [#uses=0]
ret i32 0
}
; PR3353
define i32 @test4(i8 %X) {
entry:
%Y = add i8 %X, 1
%Z = add i8 %Y, 1
br label %bb33.i
bb33.i: ; preds = %bb33.i, %bb32.i
switch i8 %Y, label %bb32.i [
i8 39, label %bb35.split.i
i8 13, label %bb33.i
]
bb35.split.i:
ret i32 5
bb32.i:
ret i32 1
}
define fastcc void @test5(i1 %tmp, i32 %tmp1) nounwind ssp {
entry:
br i1 %tmp, label %bb12, label %bb13
bb12:
br label %bb13
bb13:
%.lcssa31 = phi i32 [ undef, %bb12 ], [ %tmp1, %entry ]
%A = and i1 undef, undef
br i1 %A, label %bb15, label %bb61
bb15:
ret void
bb61:
ret void
}
; PR5640
define fastcc void @test6(i1 %tmp, i1 %tmp1) nounwind ssp {
entry:
br i1 %tmp, label %bb12, label %bb14
bb12:
br label %bb14
bb14:
%A = phi i1 [ %A, %bb13 ], [ true, %bb12 ], [%tmp1, %entry]
br label %bb13
bb13:
br i1 %A, label %bb14, label %bb61
bb61:
ret void
}
; PR5698
define void @test7(i32 %x) {
entry:
br label %tailrecurse
tailrecurse:
switch i32 %x, label %return [
i32 2, label %bb2
i32 3, label %bb
]
bb:
switch i32 %x, label %return [
i32 2, label %bb2
i32 3, label %tailrecurse
]
bb2:
ret void
return:
ret void
}
; PR6119
define i32 @test8(i32 %action) nounwind {
entry:
switch i32 %action, label %lor.rhs [
i32 1, label %if.then
i32 0, label %lor.end
]
if.then: ; preds = %for.cond, %lor.end, %entry
ret i32 undef
lor.rhs: ; preds = %entry
br label %lor.end
lor.end: ; preds = %lor.rhs, %entry
%cmp103 = xor i1 undef, undef ; <i1> [#uses=1]
br i1 %cmp103, label %for.cond, label %if.then
for.cond: ; preds = %for.body, %lor.end
br i1 undef, label %if.then, label %for.body
for.body: ; preds = %for.cond
br label %for.cond
}
; PR6119
define i32 @test9(i32 %action) nounwind {
entry:
switch i32 %action, label %lor.rhs [
i32 1, label %if.then
i32 0, label %lor.end
]
if.then: ; preds = %for.cond, %lor.end, %entry
ret i32 undef
lor.rhs: ; preds = %entry
br label %lor.end
lor.end: ; preds = %lor.rhs, %entry
%0 = phi i1 [ undef, %lor.rhs ], [ true, %entry ] ; <i1> [#uses=1]
%cmp103 = xor i1 undef, %0 ; <i1> [#uses=1]
br i1 %cmp103, label %for.cond, label %if.then
for.cond: ; preds = %for.body, %lor.end
br i1 undef, label %if.then, label %for.body
for.body: ; preds = %for.cond
br label %for.cond
}
; PR6119
define i32 @test10(i32 %action, i32 %type) nounwind {
entry:
%cmp2 = icmp eq i32 %type, 0 ; <i1> [#uses=1]
switch i32 %action, label %lor.rhs [
i32 1, label %if.then
i32 0, label %lor.end
]
if.then: ; preds = %for.cond, %lor.end, %entry
ret i32 undef
lor.rhs: ; preds = %entry
%cmp101 = icmp eq i32 %action, 2 ; <i1> [#uses=1]
br label %lor.end
lor.end: ; preds = %lor.rhs, %entry
%0 = phi i1 [ %cmp101, %lor.rhs ], [ true, %entry ] ; <i1> [#uses=1]
%cmp103 = xor i1 %cmp2, %0 ; <i1> [#uses=1]
br i1 %cmp103, label %for.cond, label %if.then
for.cond: ; preds = %for.body, %lor.end
br i1 undef, label %if.then, label %for.body
for.body: ; preds = %for.cond
br label %for.cond
}
; PR6305
define void @test11() nounwind {
entry:
br label %A
A: ; preds = %entry
call void undef(i64 ptrtoint (i8* blockaddress(@test11, %A) to i64)) nounwind
unreachable
}
; PR6743
define void @test12() nounwind ssp {
entry:
br label %lbl_51
lbl_51: ; preds = %if.then, %entry
%tmp3 = phi i1 [ false, %if.then ], [ undef, %entry ] ; <i1> [#uses=2]
br i1 %tmp3, label %if.end12, label %if.then
if.then: ; preds = %lbl_51
br i1 %tmp3, label %lbl_51, label %if.end12
if.end12: ; preds = %if.then, %lbl_51
ret void
}
; PR7356
define i32 @test13(i32* %P, i8* %Ptr) {
entry:
indirectbr i8* %Ptr, [label %BrBlock, label %B2]
B2:
store i32 4, i32 *%P
br label %BrBlock
BrBlock:
%L = load i32, i32* %P
%C = icmp eq i32 %L, 42
br i1 %C, label %T, label %F
T:
ret i32 123
F:
ret i32 1422
}
; PR7498
define void @test14() nounwind {
entry:
%cmp33 = icmp slt i8 undef, 0 ; <i1> [#uses=1]
%tobool = icmp eq i8 undef, 0 ; <i1> [#uses=1]
br i1 %tobool, label %land.end69, label %land.rhs
land.rhs: ; preds = %entry
br label %land.end69
land.end69: ; preds = %land.rhs, %entry
%0 = phi i1 [ undef, %land.rhs ], [ true, %entry ] ; <i1> [#uses=1]
%cmp71 = or i1 true, %0 ; <i1> [#uses=1]
%cmp73 = xor i1 %cmp33, %cmp71 ; <i1> [#uses=1]
br i1 %cmp73, label %if.then, label %if.end
if.then: ; preds = %land.end69
ret void
if.end: ; preds = %land.end69
ret void
}
; PR7647
define void @test15() nounwind {
entry:
ret void
if.then237:
br label %lbl_664
lbl_596: ; preds = %lbl_664, %for.end37
store volatile i64 undef, i64* undef, align 4
br label %for.cond111
for.cond111: ; preds = %safe_sub_func_int64_t_s_s.exit, %lbl_596
%storemerge = phi i8 [ undef, %cond.true.i100 ], [ 22, %lbl_596 ] ; <i8> [#uses=1]
%l_678.5 = phi i64 [ %l_678.3, %cond.true.i100 ], [ undef, %lbl_596 ] ; <i64> [#uses=2]
%cmp114 = icmp slt i8 %storemerge, -2 ; <i1> [#uses=1]
br i1 %cmp114, label %lbl_664, label %if.end949
lbl_664: ; preds = %for.end1058, %if.then237, %for.cond111
%l_678.3 = phi i64 [ %l_678.5, %for.cond111 ], [ %l_678.2, %for.cond1035 ], [ 5, %if.then237 ] ; <i64> [#uses=1]
%tobool118 = icmp eq i32 undef, 0 ; <i1> [#uses=1]
br i1 %tobool118, label %cond.true.i100, label %lbl_596
cond.true.i100: ; preds = %for.inc120
br label %for.cond111
lbl_709:
br label %if.end949
for.cond603: ; preds = %for.body607, %if.end336
br i1 undef, label %for.cond603, label %if.end949
if.end949: ; preds = %for.cond603, %lbl_709, %for.cond111
%l_678.2 = phi i64 [ %l_678.5, %for.cond111 ], [ undef, %lbl_709 ], [ 5, %for.cond603 ] ; <i64> [#uses=1]
br label %for.body1016
for.body1016: ; preds = %for.cond1012
br label %for.body1016
for.cond1035: ; preds = %for.inc1055, %if.then1026
br i1 undef, label %for.cond1040, label %lbl_664
for.cond1040: ; preds = %for.body1044, %for.cond1035
ret void
}
; PR7755
define void @test16(i1 %c, i1 %c2, i1 %c3, i1 %c4) nounwind ssp {
entry:
%cmp = icmp sgt i32 undef, 1 ; <i1> [#uses=1]
br i1 %c, label %land.end, label %land.rhs
land.rhs: ; preds = %entry
br i1 %c2, label %lor.lhs.false.i, label %land.end
lor.lhs.false.i: ; preds = %land.rhs
br i1 %c3, label %land.end, label %land.end
land.end:
%0 = phi i1 [ true, %entry ], [ false, %land.rhs ], [false, %lor.lhs.false.i], [false, %lor.lhs.false.i] ; <i1> [#uses=1]
%cmp12 = and i1 %cmp, %0
%xor1 = xor i1 %cmp12, %c4
br i1 %xor1, label %if.then, label %if.end
if.then:
ret void
if.end:
ret void
}
define void @test17() {
entry:
br i1 undef, label %bb269.us.us, label %bb269.us.us.us
bb269.us.us.us:
%indvar = phi i64 [ %indvar.next, %bb287.us.us.us ], [ 0, %entry ]
%0 = icmp eq i16 undef, 0
br i1 %0, label %bb287.us.us.us, label %bb286.us.us.us
bb287.us.us.us:
%indvar.next = add i64 %indvar, 1
%exitcond = icmp eq i64 %indvar.next, 4
br i1 %exitcond, label %bb288.bb289.loopexit_crit_edge, label %bb269.us.us.us
bb286.us.us.us:
unreachable
bb269.us.us:
unreachable
bb288.bb289.loopexit_crit_edge:
unreachable
}
; PR 8247
%struct.S1 = type { i8, i8 }
@func_89.l_245 = internal constant %struct.S1 { i8 33, i8 6 }, align 1
define void @func_89(i16 zeroext %p_90, %struct.S1* nocapture %p_91, i32* nocapture %p_92) nounwind ssp {
entry:
store i32 0, i32* %p_92, align 4
br i1 false, label %lbl_260, label %if.else
if.else: ; preds = %entry
br label %for.cond
for.cond: ; preds = %lbl_260, %if.else
%l_245.0 = phi i16 [ %l_245.1, %lbl_260 ], [ 33, %if.else ]
%l_261.0 = phi i32 [ %and, %lbl_260 ], [ 255, %if.else ]
%tobool21 = icmp ult i16 %l_245.0, 256
br i1 %tobool21, label %if.end, label %lbl_260
lbl_260: ; preds = %for.cond, %entry
%l_245.1 = phi i16 [ 1569, %entry ], [ %l_245.0, %for.cond ]
%l_261.1 = phi i32 [ 255, %entry ], [ %l_261.0, %for.cond ]
%and = and i32 %l_261.1, 1
br label %for.cond
if.end: ; preds = %for.cond
ret void
}
define void @PR14233(i1 %cmp, i1 %cmp2, i1 %cmp3, i1 %cmp4) {
entry:
br i1 %cmp, label %cond.true, label %cond.false
cond.true:
br label %if.end
cond.false:
br label %if.end
if.end:
%A = phi i64 [ 0, %cond.true ], [ 1, %cond.false ]
br i1 %cmp2, label %bb, label %if.end2
bb:
br label %if.end2
if.end2:
%B = phi i64 [ ptrtoint (i8* ()* @PR14233.f1 to i64), %bb ], [ %A, %if.end ]
%cmp.ptr = icmp eq i64 %B, ptrtoint (i8* ()* @PR14233.f2 to i64)
br i1 %cmp.ptr, label %cond.true2, label %if.end3
cond.true2:
br i1 %cmp3, label %bb2, label %ur
bb2:
br i1 %cmp4, label %if.end4, label %if.end3
if.end4:
unreachable
if.end3:
%cmp.ptr2 = icmp eq i64 %B, ptrtoint (i8* ()* @PR14233.f2 to i64)
br i1 %cmp.ptr2, label %ur, label %if.then601
if.then601:
%C = icmp eq i64 %B, 0
br i1 %C, label %bb3, label %bb4
bb3:
unreachable
bb4:
unreachable
ur:
unreachable
}
declare i8* @PR14233.f1()
declare i8* @PR14233.f2()
; Make sure the following compiles in a sane amount of time, as opposed
; to taking exponential time.
; (CHECK to make sure the condition doesn't get simplified somehow;
; if it does, the testcase will need to be revised.)
; CHECK-LABEL: define void @almost_infinite_loop
; CHECK: %x39 = or i1 %x38, %x38
; CHECK: br i1 %x39, label %dest1, label %dest2
define void @almost_infinite_loop(i1 %x0) {
entry:
br label %if.then57.i
if.then57.i:
%x1 = or i1 %x0, %x0
%x2 = or i1 %x1, %x1
%x3 = or i1 %x2, %x2
%x4 = or i1 %x3, %x3
%x5 = or i1 %x4, %x4
%x6 = or i1 %x5, %x5
%x7 = or i1 %x6, %x6
%x8 = or i1 %x7, %x7
%x9 = or i1 %x8, %x8
%x10 = or i1 %x9, %x9
%x11 = or i1 %x10, %x10
%x12 = or i1 %x11, %x11
%x13 = or i1 %x12, %x12
%x14 = or i1 %x13, %x13
%x15 = or i1 %x14, %x14
%x16 = or i1 %x15, %x15
%x17 = or i1 %x16, %x16
%x18 = or i1 %x17, %x17
%x19 = or i1 %x18, %x18
%x20 = or i1 %x19, %x19
%x21 = or i1 %x20, %x20
%x22 = or i1 %x21, %x21
%x23 = or i1 %x22, %x22
%x24 = or i1 %x23, %x23
%x25 = or i1 %x24, %x24
%x26 = or i1 %x25, %x25
%x27 = or i1 %x26, %x26
%x28 = or i1 %x27, %x27
%x29 = or i1 %x28, %x28
%x30 = or i1 %x29, %x29
%x31 = or i1 %x30, %x30
%x32 = or i1 %x31, %x31
%x33 = or i1 %x32, %x32
%x34 = or i1 %x33, %x33
%x35 = or i1 %x34, %x34
%x36 = or i1 %x35, %x35
%x37 = or i1 %x36, %x36
%x38 = or i1 %x37, %x37
%x39 = or i1 %x38, %x38
br i1 %x39, label %dest1, label %dest2
dest1:
unreachable
dest2:
unreachable
}