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authorDaniel Berlin <dberlin@dberlin.org>2017-02-19 04:29:01 +0000
committerDaniel Berlin <dberlin@dberlin.org>2017-02-19 04:29:01 +0000
commita4b5c01dd2f8a4420f8ab63742ed55eb2539edb6 (patch)
treeb04072ad9a394462244d462e80e4ffba13511207 /llvm/test/Other
parent25f1db11118b8b073cfecd37876fee43228cb9ca (diff)
downloadbcm5719-llvm-a4b5c01dd2f8a4420f8ab63742ed55eb2539edb6.tar.gz
bcm5719-llvm-a4b5c01dd2f8a4420f8ab63742ed55eb2539edb6.zip
Add a DebugCounter for PredicateInfo renaming, and an associated test
llvm-svn: 295594
Diffstat (limited to 'llvm/test/Other')
-rw-r--r--llvm/test/Other/debugcounter.ll39
1 files changed, 39 insertions, 0 deletions
diff --git a/llvm/test/Other/debugcounter.ll b/llvm/test/Other/debugcounter.ll
new file mode 100644
index 00000000000..c9702a7051c
--- /dev/null
+++ b/llvm/test/Other/debugcounter.ll
@@ -0,0 +1,39 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+;; Test that, with debug counters on, we don't rename the first info, only the second
+; RUN: opt -debug-counter=predicateinfo-rename-skip=1,predicateinfo-rename-count=1 -print-predicateinfo -analyze < %s 2>&1 | FileCheck %s
+define fastcc void @barney() {
+; CHECK-LABEL: @barney(
+; CHECK-NEXT: bb:
+; CHECK-NEXT: br label [[BB22:%.*]]
+; CHECK: bb22:
+; CHECK-NEXT: [[TMP23:%.*]] = icmp eq i32 undef, 2
+; CHECK: [[TMP23_0:%.*]] = call i1 @llvm.ssa.copy.i1(i1 [[TMP23]])
+; CHECK-NEXT: br i1 [[TMP23]], label [[BB29:%.*]], label [[BB35:%.*]]
+; CHECK: bb29:
+; CHECK: [[TMP23_0_1:%.*]] = call i1 @llvm.ssa.copy.i1(i1 [[TMP23_0]])
+; CHECK-NEXT: br i1 [[TMP23]], label [[BB33:%.*]], label [[BB35]]
+; CHECK: bb33:
+; CHECK-NEXT: br i1 [[TMP23_0_1]], label [[BB35]], label [[BB35]]
+; CHECK: bb35:
+; CHECK-NEXT: unreachable
+;
+bb:
+ br label %bb22
+bb22: ; preds = %bb21
+ %tmp23 = icmp eq i32 undef, 2
+ br i1 %tmp23, label %bb29, label %bb35
+
+
+bb29: ; preds = %bb28
+;; We will not rename this one (we will still generate a copy of a copy for the next one)
+ br i1 %tmp23, label %bb33, label %bb35
+
+
+bb33: ; preds = %bb31
+;; We will rename this one
+ br i1 %tmp23, label %bb35, label %bb35
+
+bb35: ; preds = %bb33, %bb29, %bb22
+ unreachable
+}
+
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