1 files changed, 50 insertions, 0 deletions
diff --git a/test/CodeGen/ARM64/2012-05-22-LdStOptBug.ll b/test/CodeGen/ARM64/2012-05-22-LdStOptBug.ll
new file mode 100644
index 0000000..4b037db
--- /dev/null
+++ b/test/CodeGen/ARM64/2012-05-22-LdStOptBug.ll
@@ -0,0 +1,50 @@
+; RUN: llc < %s -mtriple=arm64-apple-ios -verify-machineinstrs | FileCheck %s
+
+; LdStOpt bug created illegal instruction:
+;   %D1<def>, %D2<def> = LDPSi %X0, 1
+; rdar://11512047
+
+%0 = type opaque
+%struct.CGRect = type { %struct.CGPoint, %struct.CGSize }
+%struct.CGPoint = type { double, double }
+%struct.CGSize = type { double, double }
+
+@"OBJC_IVAR_$_UIScreen._bounds" = external hidden global i64, section "__DATA, __objc_ivar", align 8
+
+define hidden %struct.CGRect @t(%0* nocapture %self, i8* nocapture %_cmd) nounwind readonly optsize ssp {
+entry:
+; CHECK-LABEL: t:
+; CHECK: ldp d{{[0-9]+}}, d{{[0-9]+}}
+  %ivar = load i64* @"OBJC_IVAR_$_UIScreen._bounds", align 8, !invariant.load !4
+  %0 = bitcast %0* %self to i8*
+  %add.ptr = getelementptr inbounds i8* %0, i64 %ivar
+  %add.ptr10.0 = bitcast i8* %add.ptr to double*
+  %tmp11 = load double* %add.ptr10.0, align 8
+  %add.ptr.sum = add i64 %ivar, 8
+  %add.ptr10.1 = getelementptr inbounds i8* %0, i64 %add.ptr.sum
+  %1 = bitcast i8* %add.ptr10.1 to double*
+  %tmp12 = load double* %1, align 8
+  %add.ptr.sum17 = add i64 %ivar, 16
+  %add.ptr4.1 = getelementptr inbounds i8* %0, i64 %add.ptr.sum17
+  %add.ptr4.1.0 = bitcast i8* %add.ptr4.1 to double*
+  %tmp = load double* %add.ptr4.1.0, align 8
+  %add.ptr4.1.sum = add i64 %ivar, 24
+  %add.ptr4.1.1 = getelementptr inbounds i8* %0, i64 %add.ptr4.1.sum
+  %2 = bitcast i8* %add.ptr4.1.1 to double*
+  %tmp5 = load double* %2, align 8
+  %insert14 = insertvalue %struct.CGPoint undef, double %tmp11, 0
+  %insert16 = insertvalue %struct.CGPoint %insert14, double %tmp12, 1
+  %insert = insertvalue %struct.CGRect undef, %struct.CGPoint %insert16, 0
+  %insert7 = insertvalue %struct.CGSize undef, double %tmp, 0
+  %insert9 = insertvalue %struct.CGSize %insert7, double %tmp5, 1
+  %insert3 = insertvalue %struct.CGRect %insert, %struct.CGSize %insert9, 1
+  ret %struct.CGRect %insert3
+}
+
+!llvm.module.flags = !{!0, !1, !2, !3}
+
+!0 = metadata !{i32 1, metadata !"Objective-C Version", i32 2}
+!1 = metadata !{i32 1, metadata !"Objective-C Image Info Version", i32 0}
+!2 = metadata !{i32 1, metadata !"Objective-C Image Info Section", metadata !"__DATA, __objc_imageinfo, regular, no_dead_strip"}
+!3 = metadata !{i32 4, metadata !"Objective-C Garbage Collection", i32 0}
+!4 = metadata !{}