| ; 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 |
| } |
