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; RUN: opt -indvars %s -disable-output
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"
declare i32 @putchar(i8) nounwind
define void @t2(i1* %P) nounwind {
; <label>:0
br label %1
; <label>:1 ; preds = %1, %0
%2 = phi double [ 9.000000e+00, %0 ], [ %4, %1 ] ; <double> [#uses=1]
%3 = tail call i32 @putchar(i8 72) ; <i32> [#uses=0]
%4 = fadd double %2, -1.000000e+00 ; <double> [#uses=2]
%5 = fcmp ult double %4, 0.000000e+00 ; <i1> [#uses=1]
store i1 %5, i1* %P
br i1 %5, label %6, label %1
; <label>:6 ; preds = %1
ret void
}
; PR7562
define void @fannkuch() nounwind {
entry: ; preds = %entry
br label %bb12
bb12: ; preds = %bb29, %entry
%i.1 = phi i32 [ undef, %entry ], [ %i.0, %bb29 ] ; <i32> [#uses=2]
%r.1 = phi i32 [ undef, %entry ], [ %r.0, %bb29 ] ; <i32> [#uses=2]
br i1 undef, label %bb13, label %bb24
bb13: ; preds = %bb12
br label %bb24
bb24: ; preds = %bb30, %bb13, %bb12
%i.2 = phi i32 [ %i.1, %bb13 ], [ %i.0, %bb30 ], [ %i.1, %bb12 ] ; <i32> [#uses=1]
%r.0 = phi i32 [ %r.1, %bb13 ], [ %2, %bb30 ], [ %r.1, %bb12 ] ; <i32> [#uses=3]
br label %bb28
bb27: ; preds = %bb28
%0 = add nsw i32 %i.0, 1 ; <i32> [#uses=1]
br label %bb28
bb28: ; preds = %bb27, %bb26
%i.0 = phi i32 [ %i.2, %bb24 ], [ %0, %bb27 ] ; <i32> [#uses=4]
%1 = icmp slt i32 %i.0, %r.0 ; <i1> [#uses=1]
br i1 %1, label %bb27, label %bb29
bb29: ; preds = %bb28
br i1 undef, label %bb12, label %bb30
bb30: ; preds = %bb29
%2 = add nsw i32 %r.0, 1 ; <i32> [#uses=1]
br label %bb24
}
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