| ; RUN: opt -indvars -disable-output < %s |
| 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 |
| } |
| |
| ; PR10770 |
| |
| declare void @__go_panic() noreturn |
| |
| declare void @__go_undefer() |
| |
| declare i32 @__gccgo_personality_v0(i32, i64, i8*, i8*) |
| |
| define void @main.main() uwtable personality i32 (i32, i64, i8*, i8*)* @__gccgo_personality_v0 { |
| entry: |
| invoke void @__go_panic() noreturn |
| to label %0 unwind label %"5.i" |
| |
| ; <label>:0 ; preds = %entry |
| unreachable |
| |
| "3.i": ; preds = %"7.i", %"5.i" |
| invoke void @__go_undefer() |
| to label %main.f.exit unwind label %"7.i" |
| |
| "5.i": ; preds = %entry |
| %1 = landingpad { i8*, i32 } |
| catch i8* null |
| br label %"3.i" |
| |
| "7.i": ; preds = %"3.i" |
| %2 = landingpad { i8*, i32 } |
| catch i8* null |
| br label %"3.i" |
| |
| main.f.exit: ; preds = %"3.i" |
| unreachable |
| } |
| |
| |
| ; PR13967 |
| |
| define void @f() nounwind ssp { |
| bb: |
| br label %bb4 |
| |
| bb4: |
| %tmp = phi i64 [ %tmp5, %bb7 ], [ undef, %bb ] |
| %tmp5 = add nsw i64 %tmp, 1 |
| %extract.t1 = trunc i64 %tmp5 to i32 |
| br i1 false, label %bb6, label %bb7 |
| |
| bb6: |
| br label %bb7 |
| |
| bb7: |
| %.off0 = phi i32 [ undef, %bb6 ], [ %extract.t1, %bb4 ] |
| %tmp8 = icmp eq i32 %.off0, 0 |
| br i1 %tmp8, label %bb9, label %bb4 |
| |
| bb9: |
| ret void |
| } |
| |
| ; PR12536 |
| define void @fn1() noreturn nounwind { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.end, %entry |
| %b.0 = phi i32 [ undef, %entry ], [ %conv, %for.end ] |
| br label %for.cond1 |
| |
| for.cond1: ; preds = %for.cond1, %for.cond |
| %c.0 = phi i32 [ %b.0, %for.cond1 ], [ 0, %for.cond ] |
| br i1 undef, label %for.cond1, label %for.end |
| |
| for.end: ; preds = %for.cond1 |
| %cmp2 = icmp slt i32 %c.0, 1 |
| %conv = zext i1 %cmp2 to i32 |
| br label %for.cond |
| } |