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-rw-r--r--test/Transforms/InstCombine/2009-01-08-AlignAlloca.ll28
1 files changed, 28 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2009-01-08-AlignAlloca.ll b/test/Transforms/InstCombine/2009-01-08-AlignAlloca.ll
new file mode 100644
index 0000000..a61a94e
--- /dev/null
+++ b/test/Transforms/InstCombine/2009-01-08-AlignAlloca.ll
@@ -0,0 +1,28 @@
+; RUN: opt < %s -instcombine -S > %t
+; RUN: grep {, align 4} %t | count 3
+; RUN: grep {, align 8} %t | count 3
+; rdar://6480438
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
+target triple = "i386-apple-darwin9.6"
+ %struct.Key = type { { i32, i32 } }
+ %struct.anon = type <{ i8, [3 x i8], i32 }>
+
+define i32 @bar(i64 %key_token2) nounwind {
+entry:
+ %iospec = alloca %struct.Key ; <%struct.Key*> [#uses=3]
+ %ret = alloca i32 ; <i32*> [#uses=2]
+ %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
+ %0 = getelementptr %struct.Key* %iospec, i32 0, i32 0 ; <{ i32, i32 }*> [#uses=2]
+ %1 = getelementptr { i32, i32 }* %0, i32 0, i32 0 ; <i32*> [#uses=1]
+ store i32 0, i32* %1, align 4
+ %2 = getelementptr { i32, i32 }* %0, i32 0, i32 1 ; <i32*> [#uses=1]
+ store i32 0, i32* %2, align 4
+ %3 = getelementptr %struct.Key* %iospec, i32 0, i32 0 ; <{ i32, i32 }*> [#uses=1]
+ %4 = bitcast { i32, i32 }* %3 to i64* ; <i64*> [#uses=1]
+ store i64 %key_token2, i64* %4, align 4
+ %5 = call i32 (...)* @foo(%struct.Key* byval align 4 %iospec, i32* %ret) nounwind ; <i32> [#uses=0]
+ %6 = load i32* %ret, align 4 ; <i32> [#uses=1]
+ ret i32 %6
+}
+
+declare i32 @foo(...)