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-rw-r--r--test/Transforms/ScalarRepl/bitfield-sroa.ll17
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/ScalarRepl/bitfield-sroa.ll b/test/Transforms/ScalarRepl/bitfield-sroa.ll
new file mode 100644
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--- /dev/null
+++ b/test/Transforms/ScalarRepl/bitfield-sroa.ll
@@ -0,0 +1,17 @@
+; RUN: opt < %s -scalarrepl -S | not grep alloca
+; rdar://6532315
+target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64"
+%t = type { { i32, i16, i8, i8 } }
+
+define i8 @foo(i64 %A) {
+ %ALL = alloca %t, align 8
+ %tmp59172 = bitcast %t* %ALL to i64*
+ store i64 %A, i64* %tmp59172, align 8
+ %C = getelementptr %t* %ALL, i32 0, i32 0, i32 1
+ %D = bitcast i16* %C to i32*
+ %E = load i32* %D, align 4
+ %F = bitcast %t* %ALL to i8*
+ %G = load i8* %F, align 8
+ ret i8 %G
+}
+