1 ; RUN: opt -indvars %s -disable-output 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" 3 4 declare i32 @putchar(i8) nounwind 5 6 define void @t2(i1* %P) nounwind { 7 ; <label>:0 8 br label %1 9 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] 15 store i1 %5, i1* %P 16 br i1 %5, label %6, label %1 17 18 ; <label>:6 ; preds = %1 19 ret void 20 } 21 22 ; PR7562 23 define void @fannkuch() nounwind { 24 entry: ; preds = %entry 25 br label %bb12 26 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 31 32 bb13: ; preds = %bb12 33 br label %bb24 34 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] 38 br label %bb28 39 40 bb27: ; preds = %bb28 41 %0 = add nsw i32 %i.0, 1 ; <i32> [#uses=1] 42 br label %bb28 43 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 48 49 bb29: ; preds = %bb28 50 br i1 undef, label %bb12, label %bb30 51 52 bb30: ; preds = %bb29 53 %2 = add nsw i32 %r.0, 1 ; <i32> [#uses=1] 54 br label %bb24 55 } 56
