Changes to ARM tail calls, mostly cosmetic.
Add explicit testcases for tail calls within the same module.
Duplicate some code to humor those who think .w doesn't apply on ARM.
Leave this disabled on Thumb1, and add some comments explaining why it's hard
and won't gain much.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107851 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/call-tc.ll b/test/CodeGen/ARM/call-tc.ll
index 2bbdb91..f1269d5 100644
--- a/test/CodeGen/ARM/call-tc.ll
+++ b/test/CodeGen/ARM/call-tc.ll
@@ -1,5 +1,5 @@
-; RUN: llc < %s -march=arm | FileCheck %s -check-prefix=CHECKV4
-; RUN: llc < %s -march=arm -mattr=+v5t | FileCheck %s -check-prefix=CHECKV5
+; RUN: llc < %s -mtriple=arm-apple-darwin -march=arm | FileCheck %s -check-prefix=CHECKV4
+; RUN: llc < %s -march=arm -mtriple=arm-apple-darwin -mattr=+v5t | FileCheck %s -check-prefix=CHECKV5
; RUN: llc < %s -march=arm -mtriple=arm-linux-gnueabi\
; RUN: -relocation-model=pic | FileCheck %s -check-prefix=CHECKELF
@@ -37,3 +37,12 @@
%10 = call i32* %9(i32 %0, i32* null, i32 %1, i32* %2, i32* %3, i32* %4) ; <i32*> [#uses=1]
ret i32* %10
}
+
+define void @t4() {
+; CHECKV4: t4:
+; CHECKV4: b _t2 @ TAILCALL
+; CHECKV5: t4:
+; CHECKV5: b _t2 @ TAILCALL
+ tail call void @t2( ) ; <i32> [#uses=0]
+ ret void
+}
diff --git a/test/CodeGen/Thumb2/thumb2-call-tc.ll b/test/CodeGen/Thumb2/thumb2-call-tc.ll
index fe47e34..24502b0 100644
--- a/test/CodeGen/Thumb2/thumb2-call-tc.ll
+++ b/test/CodeGen/Thumb2/thumb2-call-tc.ll
@@ -25,3 +25,13 @@
%tmp.upgrd.2 = tail call i32 %tmp( ) ; <i32> [#uses=0]
ret void
}
+
+define void @j() {
+; DARWIN: j:
+; DARWIN: b.w _f @ TAILCALL
+
+; LINUX: j:
+; LINUX: b.w f @ TAILCALL
+ tail call void @f()
+ ret void
+}