Vendor import of llvm trunk r154661:

http://llvm.org/svn/llvm-project/llvm/trunk@r154661

1 files changed, 57 insertions, 0 deletions

diff --git a/test/CodeGen/ARM/fast-isel-ret.ll b/test/CodeGen/ARM/fast-isel-ret.ll
new file mode 100644
index 0000000..689b169
--- /dev/null
+++ b/test/CodeGen/ARM/fast-isel-ret.ll
@@ -0,0 +1,57 @@
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s
+
+; Sign-extend of i1 currently not supported by fast-isel
+;define signext i1 @ret0(i1 signext %a) nounwind uwtable ssp {
+;entry:
+;  ret i1 %a
+;}
+
+define zeroext i1 @ret1(i1 signext %a) nounwind uwtable ssp {
+entry:
+; CHECK: ret1
+; CHECK: and r0, r0, #1
+; CHECK: bx lr
+  ret i1 %a
+}
+
+define signext i8 @ret2(i8 signext %a) nounwind uwtable ssp {
+entry:
+; CHECK: ret2
+; CHECK: sxtb r0, r0
+; CHECK: bx lr
+  ret i8 %a
+}
+
+define zeroext i8 @ret3(i8 signext %a) nounwind uwtable ssp {
+entry:
+; CHECK: ret3
+; CHECK: uxtb r0, r0
+; CHECK: bx lr
+  ret i8 %a
+}
+
+define signext i16 @ret4(i16 signext %a) nounwind uwtable ssp {
+entry:
+; CHECK: ret4
+; CHECK: sxth r0, r0
+; CHECK: bx lr
+  ret i16 %a
+}
+
+define zeroext i16 @ret5(i16 signext %a) nounwind uwtable ssp {
+entry:
+; CHECK: ret5
+; CHECK: uxth r0, r0
+; CHECK: bx lr
+  ret i16 %a
+}
+
+define i16 @ret6(i16 %a) nounwind uwtable ssp {
+entry:
+; CHECK: ret6
+; CHECK-NOT: uxth
+; CHECK-NOT: sxth
+; CHECK: bx lr
+  ret i16 %a
+}