| ; RUN: opt -disable-output -debugify-each -passes=gvn < %s 2>&1 | FileCheck %s |
| |
| ; CHECK-NOT: ERROR: Instruction with empty DebugLoc in function _Z3bazv -- {{%.*}} = phi |
| ; CHECK: CheckFunctionDebugify [GVNPass]: PASS |
| |
| @foo = dso_local local_unnamed_addr global i32 0, align 4 |
| @x = global i8 17 |
| |
| define dso_local void @_Z3bazv() local_unnamed_addr #0 { |
| entry: |
| br label %for.cond |
| |
| for.cond.loopexit.loopexit: ; preds = %for.inc |
| br label %for.cond.loopexit |
| |
| for.cond.loopexit: ; preds = %for.cond.loopexit.loopexit, %for.cond |
| br label %for.cond |
| |
| for.cond: ; preds = %for.cond.loopexit, %entry |
| %.pr = load i32, i32* @foo, align 4 |
| %tobool1 = icmp eq i32 %.pr, 0 |
| br i1 %tobool1, label %for.cond.loopexit, label %for.inc.preheader |
| |
| for.inc.preheader: ; preds = %for.cond |
| br label %for.inc |
| |
| for.inc: ; preds = %for.inc.preheader, %for.inc |
| %val = load i8, i8* @x |
| %conv = sext i8 %val to i32 |
| store i32 %conv, i32* @foo, align 4 |
| %tobool = icmp eq i8 %val, 0 |
| br i1 %tobool, label %for.cond.loopexit.loopexit, label %for.inc |
| } |
| |
| declare dso_local signext i8 @_Z3barv() local_unnamed_addr #1 |
