1 files changed, 39 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/fast-isel.ll b/test/CodeGen/ARM/fast-isel.ll
new file mode 100644
index 0000000..3bee84d
--- /dev/null
+++ b/test/CodeGen/ARM/fast-isel.ll
@@ -0,0 +1,39 @@
+; RUN: llc < %s -O0 -arm-fast-isel -fast-isel-abort -mtriple=armv7-apple-darwin
+; RUN: llc < %s -O0 -arm-fast-isel -fast-isel-abort -mtriple=thumbv7-apple-darwin
+
+; Very basic fast-isel functionality.
+
+define i32 @add(i32 %a, i32 %b) nounwind ssp {
+entry:
+  %a.addr = alloca i32, align 4
+  %b.addr = alloca i32, align 4
+  store i32 %a, i32* %a.addr
+  store i32 %b, i32* %b.addr
+  %tmp = load i32* %a.addr
+  %tmp1 = load i32* %b.addr
+  %add = add nsw i32 %tmp, %tmp1
+  ret i32 %add
+}
+
+define i32* @foo(i32* %p, i32* %q, i32** %z) nounwind {
+entry:
+  %r = load i32* %p
+  %s = load i32* %q
+  %y = load i32** %z
+  br label %fast
+
+fast:
+  %t0 = add i32 %r, %s
+  %t1 = mul i32 %t0, %s
+  %t2 = sub i32 %t1, %s
+  %t3 = and i32 %t2, %s
+  %t4 = xor i32 %t3, 3
+  %t5 = xor i32 %t4, %s
+  %t6 = add i32 %t5, 2
+  %t7 = getelementptr i32* %y, i32 1
+  %t8 = getelementptr i32* %t7, i32 %t6
+  br label %exit
+
+exit:
+  ret i32* %t8
+}