Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[Transforms][Debugify] Ignore PHI nodes when checking for DebugLocs
Fix for: https://bugs.llvm.org/show_bug.cgi?id=37964 Differential Revision: https://reviews.llvm.org/D75242 (cherry picked from commit f64e457)
- Loading branch information
Showing
2 changed files
with
36 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,35 @@ | ||
; RUN: opt -disable-output -debugify-each -gvn < %s 2>&1 | FileCheck %s | ||
|
||
; CHECK-NOT: ERROR: Instruction with empty DebugLoc in function _Z3bazv -- {{%.*}} = phi | ||
; CHECK: CheckFunctionDebugify [Global Value Numbering]: 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 |