New test case.

llvm-svn: 35240

llvm/test/CodeGen/ARM/trunc_ldr.ll

@@ -0,0 +1,27 @@
+; RUN: llvm-as < %s | llc -march=arm &&
+; RUN: llvm-as < %s | llc -march=arm | grep "ldrb.*7"
+
+	%struct.A = type { i8, i8, i8, i8, i16, i8, i8, %struct.B** }
+	%struct.B = type { float, float, i32, i32, i32, [0 x i8] }
+
+implementation   ; Functions:
+
+define i32 @f1(%struct.A* %d) {
+entry:
+	%tmp2 = getelementptr %struct.A* %d, i32 0, i32 4
+	%tmp23 = bitcast i16* %tmp2 to i32*
+	%tmp4 = load i32* %tmp23
+	%tmp512 = lshr i32 %tmp4, 24
+	%tmp56 = trunc i32 %tmp512 to i8
+	icmp eq i8 %tmp56, 0
+	br i1 %0, label %UnifiedReturnBlock, label %conArue
+
+conArue:
+	%tmp8 = tail call i32 @f( %struct.A* %d )
+	ret i32 %tmp8
+
+UnifiedReturnBlock:
+	ret i32 0
+}
+
+declare i32 @f(%struct.A*)