mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2025-01-31 20:51:52 +01:00
ab84cfb37d
Summary: When inserting lcssa Phi Nodes in the exit block mak sure to preserve the original instructions DL. Reviewers: vsk Subscribers: JDevlieghere, llvm-commits Differential Revision: https://reviews.llvm.org/D50009 llvm-svn: 338391
31 lines
1.0 KiB
LLVM
31 lines
1.0 KiB
LLVM
; RUN: opt < %s -lcssa -S | FileCheck %s
|
|
; RUN: opt < %s -passes=lcssa -S | FileCheck %s
|
|
; RUN: opt < %s -debugify -lcssa -S | FileCheck -check-prefix=DEBUGIFY %s
|
|
|
|
define void @lcssa(i1 %S2) {
|
|
; CHECK-LABEL: @lcssa
|
|
entry:
|
|
br label %loop.interior
|
|
loop.interior: ; preds = %post.if, %entry
|
|
br i1 %S2, label %if.true, label %if.false
|
|
if.true: ; preds = %loop.interior
|
|
%X1 = add i32 0, 0 ; <i32> [#uses=1]
|
|
br label %post.if
|
|
if.false: ; preds = %loop.interior
|
|
%X2 = add i32 0, 1 ; <i32> [#uses=1]
|
|
br label %post.if
|
|
post.if: ; preds = %if.false, %if.true
|
|
%X3 = phi i32 [ %X1, %if.true ], [ %X2, %if.false ] ; <i32> [#uses=1]
|
|
br i1 %S2, label %loop.exit, label %loop.interior
|
|
loop.exit: ; preds = %post.if
|
|
; CHECK: %X3.lcssa = phi i32
|
|
; DEBUGIFY: %X3.lcssa = phi i32 {{.*}}, !dbg ![[DbgLoc:[0-9]+]]
|
|
; DEBUGIFY-NEXT: call void @llvm.dbg.value(metadata i32 %X3.lcssa
|
|
; CHECK: %X4 = add i32 3, %X3.lcssa
|
|
%X4 = add i32 3, %X3 ; <i32> [#uses=0]
|
|
ret void
|
|
}
|
|
|
|
; Make sure the lcssa phi has %X3's debug location
|
|
; DEBUGIFY: ![[DbgLoc]] = !DILocation(line: 7
|