New test cases for bit accurate integers developed by Guoling Han.

[oota-llvm.git] / test / Integer / packed_struct_bt.ll

diff --git a/test/Integer/packed_struct_bt.ll b/test/Integer/packed_struct_bt.ll
new file mode 100644 (file)
index 0000000..c72bc4c
--- /dev/null
+++ b/test/Integer/packed_struct_bt.ll
@@ -0,0 +1,33 @@
+; RUN: llvm-as < %s | llvm-dis > %t1.ll
+; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
+; RUN: diff %t1.ll %t2.ll &&
+; RUN: not grep cast %t2.ll &&
+; RUN: grep "<{" %t2.ll
+
+%struct.anon = type <{ i8, i35, i35, i35 }>
+%foos = external global %struct.anon 
+%bara = external global [2 x <{ i35, i8 }>]
+
+;initializers should work for packed and non-packed the same way
+%E1 = global <{i8, i35, i35}> <{i8 1, i35 2, i35 3}>
+%E2 = global {i8, i35, i35} {i8 4, i35 5, i35 6}
+
+implementation   ; Functions:
+
+define i35 %main() 
+{
+        %tmp = load i35*  getelementptr (%struct.anon* %foos, i32 0, i32 1)            ; <i35> [#uses=1]
+        %tmp3 = load i35* getelementptr (%struct.anon* %foos, i32 0, i32 2)            ; <i35> [#uses=1]
+        %tmp6 = load i35* getelementptr (%struct.anon* %foos, i32 0, i32 3)            ; <i35> [#uses=1]
+        %tmp4 = add i35 %tmp3, %tmp             ; <i35> [#uses=1]
+        %tmp7 = add i35 %tmp4, %tmp6            ; <i35> [#uses=1]
+        ret i35 %tmp7
+}
+
+define i35 %bar() {
+entry:
+        %tmp = load i35* getelementptr([2 x <{ i35, i8 }>]* %bara, i32 0, i32 0, i32 0 )            ; <i35> [#uses=1]
+        %tmp4 = load i35* getelementptr ([2 x <{ i35, i8 }>]* %bara, i32 0, i32 1, i32 0)           ; <i35> [#uses=1]
+        %tmp5 = add i35 %tmp4, %tmp             ; <i35> [#uses=1]
+        ret i35 %tmp5
+}