Fix <rdar://problem/9476260> by having tail calls always generate 32-bit branches
in Darwin Thumb2 code. Tail calls are already disabled on Thumb1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131894 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/call-tc.ll b/test/CodeGen/ARM/call-tc.ll
index 4dc37aa..2f3e02b 100644
--- a/test/CodeGen/ARM/call-tc.ll
+++ b/test/CodeGen/ARM/call-tc.ll
@@ -1,6 +1,6 @@
; RUN: llc < %s -mtriple=armv6-apple-darwin -mattr=+vfp2 -arm-tail-calls | FileCheck %s -check-prefix=CHECKV6
; RUN: llc < %s -mtriple=armv6-linux-gnueabi -relocation-model=pic -mattr=+vfp2 -arm-tail-calls | FileCheck %s -check-prefix=CHECKELF
-; RUN: llc < %s -mtriple=thumbv7-apple-darwin -arm-tail-calls | FileCheck %s -check-prefix=CHECKT2
+; RUN: llc < %s -mtriple=thumbv7-apple-darwin -arm-tail-calls | FileCheck %s -check-prefix=CHECKT2D
@t = weak global i32 ()* null ; <i32 ()**> [#uses=1]
@@ -26,6 +26,9 @@
; CHECKV6: b _t2 @ TAILCALL
; CHECKELF: t3:
; CHECKELF: b t2(PLT) @ TAILCALL
+; CHECKT2D: t3:
+; CHECKT2D: b.w _t2 @ TAILCALL
+
tail call void @t2( ) ; <i32> [#uses=0]
ret void
}
@@ -71,10 +74,10 @@
define void @t7() nounwind {
entry:
-; CHECKT2: t7:
-; CHECKT2: blxeq _foo
-; CHECKT2-NEXT: pop.w
-; CHECKT2-NEXT: b _foo
+; CHECKT2D: t7:
+; CHECKT2D: blxeq _foo
+; CHECKT2D-NEXT: pop.w
+; CHECKT2D-NEXT: b.w _foo
br i1 undef, label %bb, label %bb1.lr.ph
bb1.lr.ph: