1 ; RUN: opt -passes=indvars -disable-output < %s
2 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-n8:16:32:64"
4 declare i32 @putchar(i8) nounwind
6 define void @t2(ptr %P) nounwind {
10 ; <label>:1 ; preds = %1, %0
11 %2 = phi double [ 9.000000e+00, %0 ], [ %4, %1 ] ; <double> [#uses=1]
12 %3 = tail call i32 @putchar(i8 72) ; <i32> [#uses=0]
13 %4 = fadd double %2, -1.000000e+00 ; <double> [#uses=2]
14 %5 = fcmp ult double %4, 0.000000e+00 ; <i1> [#uses=1]
16 br i1 %5, label %6, label %1
18 ; <label>:6 ; preds = %1
23 define void @fannkuch() nounwind {
24 entry: ; preds = %entry
27 bb12: ; preds = %bb29, %entry
28 %i.1 = phi i32 [ undef, %entry ], [ %i.0, %bb29 ] ; <i32> [#uses=2]
29 %r.1 = phi i32 [ undef, %entry ], [ %r.0, %bb29 ] ; <i32> [#uses=2]
30 br i1 undef, label %bb13, label %bb24
35 bb24: ; preds = %bb30, %bb13, %bb12
36 %i.2 = phi i32 [ %i.1, %bb13 ], [ %i.0, %bb30 ], [ %i.1, %bb12 ] ; <i32> [#uses=1]
37 %r.0 = phi i32 [ %r.1, %bb13 ], [ %2, %bb30 ], [ %r.1, %bb12 ] ; <i32> [#uses=3]
41 %0 = add nsw i32 %i.0, 1 ; <i32> [#uses=1]
44 bb28: ; preds = %bb27, %bb26
45 %i.0 = phi i32 [ %i.2, %bb24 ], [ %0, %bb27 ] ; <i32> [#uses=4]
46 %1 = icmp slt i32 %i.0, %r.0 ; <i1> [#uses=1]
47 br i1 %1, label %bb27, label %bb29
50 br i1 undef, label %bb12, label %bb30
53 %2 = add nsw i32 %r.0, 1 ; <i32> [#uses=1]
59 declare void @__go_panic() noreturn
61 declare void @__go_undefer()
63 declare i32 @__gccgo_personality_v0(i32, i64, ptr, ptr)
65 define void @main.main() uwtable personality ptr @__gccgo_personality_v0 {
67 invoke void @__go_panic() noreturn
68 to label %0 unwind label %"5.i"
70 ; <label>:0 ; preds = %entry
73 "3.i": ; preds = %"7.i", %"5.i"
74 invoke void @__go_undefer()
75 to label %main.f.exit unwind label %"7.i"
77 "5.i": ; preds = %entry
78 %1 = landingpad { ptr, i32 }
82 "7.i": ; preds = %"3.i"
83 %2 = landingpad { ptr, i32 }
87 main.f.exit: ; preds = %"3.i"
94 define void @f() nounwind ssp {
99 %tmp = phi i64 [ %tmp5, %bb7 ], [ undef, %bb ]
100 %tmp5 = add nsw i64 %tmp, 1
101 %extract.t1 = trunc i64 %tmp5 to i32
102 br i1 false, label %bb6, label %bb7
108 %.off0 = phi i32 [ undef, %bb6 ], [ %extract.t1, %bb4 ]
109 %tmp8 = icmp eq i32 %.off0, 0
110 br i1 %tmp8, label %bb9, label %bb4
117 define void @fn1() noreturn nounwind {
121 for.cond: ; preds = %for.end, %entry
122 %b.0 = phi i32 [ undef, %entry ], [ %conv, %for.end ]
125 for.cond1: ; preds = %for.cond1, %for.cond
126 %c.0 = phi i32 [ %b.0, %for.cond1 ], [ 0, %for.cond ]
127 br i1 undef, label %for.cond1, label %for.end
129 for.end: ; preds = %for.cond1
130 %cmp2 = icmp slt i32 %c.0, 1
131 %conv = zext i1 %cmp2 to i32