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authorEvan Cheng <evan.cheng@apple.com>2007-10-14 10:15:03 +0000
committerEvan Cheng <evan.cheng@apple.com>2007-10-14 10:15:03 +0000
commit1074878fbf97d498e2c5de92ec01cb082426cfd8 (patch)
tree37ec986604df26860ea7764337fb5504e186ab53 /test/CodeGen/X86/2007-10-14-CoalescerCrash.ll
parent364460156360ad2620df29fa18caab108e481754 (diff)
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New test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42963 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/2007-10-14-CoalescerCrash.ll')
-rw-r--r--test/CodeGen/X86/2007-10-14-CoalescerCrash.ll28
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2007-10-14-CoalescerCrash.ll b/test/CodeGen/X86/2007-10-14-CoalescerCrash.ll
new file mode 100644
index 0000000000..d29ac83622
--- /dev/null
+++ b/test/CodeGen/X86/2007-10-14-CoalescerCrash.ll
@@ -0,0 +1,28 @@
+; RUN: llvm-as < %s | llc -mtriple=x86_64-apple-darwin | \
+
+ %struct._Unwind_Context = type { }
+
+define i32 @execute_stack_op(i8* %op_ptr, i8* %op_end, %struct._Unwind_Context* %context, i64 %initial) {
+entry:
+ br i1 false, label %bb, label %return
+
+bb: ; preds = %bb31, %entry
+ br i1 false, label %bb6, label %bb31
+
+bb6: ; preds = %bb
+ %tmp10 = load i64* null, align 8 ; <i64> [#uses=1]
+ %tmp16 = load i64* null, align 8 ; <i64> [#uses=1]
+ br i1 false, label %bb23, label %bb31
+
+bb23: ; preds = %bb6
+ %tmp2526.cast = and i64 %tmp16, 4294967295 ; <i64> [#uses=1]
+ %tmp27 = ashr i64 %tmp10, %tmp2526.cast ; <i64> [#uses=1]
+ br label %bb31
+
+bb31: ; preds = %bb23, %bb6, %bb
+ %result.0 = phi i64 [ %tmp27, %bb23 ], [ 0, %bb ], [ 0, %bb6 ] ; <i64> [#uses=0]
+ br i1 false, label %bb, label %return
+
+return: ; preds = %bb31, %entry
+ ret i32 undef
+}