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authorAlexander Kornienko <alexfh@google.com>2013-04-03 14:07:16 +0000
committerAlexander Kornienko <alexfh@google.com>2013-04-03 14:07:16 +0000
commite133bc868944822bf8961f825d3aa63d6fa48fb7 (patch)
treeebbd4a8040181471467a9737d90d94dc6b58b316 /test/CodeGen/X86/2010-01-19-OptExtBug.ll
parent647735c781c5b37061ee03d6e9e6c7dda92218e2 (diff)
parent080e3c523e87ec68ca1ea5db4cd49816028dd8bd (diff)
Updating branches/google/stable to r178511stable
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/google/stable@178655 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/2010-01-19-OptExtBug.ll')
-rw-r--r--test/CodeGen/X86/2010-01-19-OptExtBug.ll58
1 files changed, 58 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2010-01-19-OptExtBug.ll b/test/CodeGen/X86/2010-01-19-OptExtBug.ll
new file mode 100644
index 0000000000..ec24e73c34
--- /dev/null
+++ b/test/CodeGen/X86/2010-01-19-OptExtBug.ll
@@ -0,0 +1,58 @@
+; REQUIRES: asserts
+; RUN: llc < %s -mtriple=x86_64-apple-darwin11 -relocation-model=pic -disable-fp-elim -stats 2>&1 | not grep ext-opt
+
+define fastcc i8* @S_scan_str(i8* %start, i32 %keep_quoted, i32 %keep_delims) nounwind ssp {
+entry:
+ switch i8 undef, label %bb6 [
+ i8 9, label %bb5
+ i8 32, label %bb5
+ i8 10, label %bb5
+ i8 13, label %bb5
+ i8 12, label %bb5
+ ]
+
+bb5: ; preds = %entry, %entry, %entry, %entry, %entry
+ br label %bb6
+
+bb6: ; preds = %bb5, %entry
+ br i1 undef, label %bb7, label %bb9
+
+bb7: ; preds = %bb6
+ unreachable
+
+bb9: ; preds = %bb6
+ %0 = load i8* undef, align 1 ; <i8> [#uses=3]
+ br i1 undef, label %bb12, label %bb10
+
+bb10: ; preds = %bb9
+ br i1 undef, label %bb12, label %bb11
+
+bb11: ; preds = %bb10
+ unreachable
+
+bb12: ; preds = %bb10, %bb9
+ br i1 undef, label %bb13, label %bb14
+
+bb13: ; preds = %bb12
+ store i8 %0, i8* undef, align 1
+ %1 = zext i8 %0 to i32 ; <i32> [#uses=1]
+ br label %bb18
+
+bb14: ; preds = %bb12
+ br label %bb18
+
+bb18: ; preds = %bb14, %bb13
+ %termcode.0 = phi i32 [ %1, %bb13 ], [ undef, %bb14 ] ; <i32> [#uses=2]
+ %2 = icmp eq i8 %0, 0 ; <i1> [#uses=1]
+ br i1 %2, label %bb21, label %bb19
+
+bb19: ; preds = %bb18
+ br i1 undef, label %bb21, label %bb20
+
+bb20: ; preds = %bb19
+ br label %bb21
+
+bb21: ; preds = %bb20, %bb19, %bb18
+ %termcode.1 = phi i32 [ %termcode.0, %bb18 ], [ %termcode.0, %bb19 ], [ undef, %bb20 ] ; <i32> [#uses=0]
+ unreachable
+}