1 files changed, 34 insertions, 0 deletions
diff --git a/test/CodeGen/X86/lea.ll b/test/CodeGen/X86/lea.ll
new file mode 100644
index 0000000..22a9644
--- /dev/null
+++ b/test/CodeGen/X86/lea.ll
@@ -0,0 +1,34 @@
+; RUN: llc < %s -march=x86-64 | FileCheck %s
+
+define i32 @test1(i32 %x) nounwind {
+        %tmp1 = shl i32 %x, 3
+        %tmp2 = add i32 %tmp1, 7
+        ret i32 %tmp2
+; CHECK: test1:
+; CHECK:    leal 7(,%rdi,8), %eax
+}
+
+
+; ISel the add of -4 with a neg and use an lea for the rest of the
+; arithemtic.
+define i32 @test2(i32 %x_offs) nounwind readnone {
+entry:
+	%t0 = icmp sgt i32 %x_offs, 4
+	br i1 %t0, label %bb.nph, label %bb2
+
+bb.nph:
+	%tmp = add i32 %x_offs, -5
+	%tmp6 = lshr i32 %tmp, 2
+	%tmp7 = mul i32 %tmp6, -4
+	%tmp8 = add i32 %tmp7, %x_offs
+	%tmp9 = add i32 %tmp8, -4
+	ret i32 %tmp9
+
+bb2:
+	ret i32 %x_offs
+; CHECK: test2:
+; CHECK:	leal	-5(%rdi), %eax
+; CHECK:	andl	$-4, %eax
+; CHECK:	negl	%eax
+; CHECK:	leal	-4(%rdi,%rax), %eax
+}