Temporarily disable Hexagon tests. They are failing on OS X

[oota-llvm.git] / test / CodeGen / ARM / call-tc.ll

diff --git a/test/CodeGen/ARM/call-tc.ll b/test/CodeGen/ARM/call-tc.ll
index 213db5e1d01eeaed3aa0cd753a20234a602799ec..f78d9980befc03ca6aacca7a067cd1d25757bb60 100644 (file)
--- a/test/CodeGen/ARM/call-tc.ll
+++ b/test/CodeGen/ARM/call-tc.ll
@@ -1,5 +1,10 @@
 ; 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=CHECKT2D
+; RUN: llc < %s -mtriple=thumbv7-apple-ios5.0 | FileCheck %s -check-prefix=CHECKT2D
+
+; Enable tailcall optimization for iOS 5.0
+; rdar://9120031
 
 @t = weak global i32 ()* null           ; <i32 ()**> [#uses=1]
 
@@ -14,7 +19,11 @@ define void @t1() {
 
 define void @t2() {
 ; CHECKV6: t2:
-; CHECKV6: bx r0 @ TAILCALL
+; CHECKV6: bx r0
+; CHECKT2D: t2:
+; CHECKT2D: ldr
+; CHECKT2D-NEXT: ldr
+; CHECKT2D-NEXT: bx r0
         %tmp = load i32 ()** @t         ; <i32 ()*> [#uses=1]
         %tmp.upgrd.2 = tail call i32 %tmp( )            ; <i32> [#uses=0]
         ret void
@@ -22,9 +31,12 @@ define void @t2() {
 
 define void @t3() {
 ; CHECKV6: t3:
-; CHECKV6: b _t2  @ TAILCALL
+; CHECKV6: b _t2
 ; CHECKELF: t3:
-; CHECKELF: b t2(PLT) @ TAILCALL
+; CHECKELF: b t2(PLT)
+; CHECKT2D: t3:
+; CHECKT2D: b.w _t2
+
         tail call void @t2( )            ; <i32> [#uses=0]
         ret void
 }
@@ -33,9 +45,9 @@ define void @t3() {
 define double @t4(double %a) nounwind readonly ssp {
 entry:
 ; CHECKV6: t4:
-; CHECKV6: b _sin @ TAILCALL
+; CHECKV6: b _sin
 ; CHECKELF: t4:
-; CHECKELF: b sin(PLT) @ TAILCALL
+; CHECKELF: b sin(PLT)
   %0 = tail call double @sin(double %a) nounwind readonly ; <double> [#uses=1]
   ret double %0
 }
@@ -43,9 +55,9 @@ entry:
 define float @t5(float %a) nounwind readonly ssp {
 entry:
 ; CHECKV6: t5:
-; CHECKV6: b _sinf @ TAILCALL
+; CHECKV6: b _sinf
 ; CHECKELF: t5:
-; CHECKELF: b sinf(PLT) @ TAILCALL
+; CHECKELF: b sinf(PLT)
   %0 = tail call float @sinf(float %a) nounwind readonly ; <float> [#uses=1]
   ret float %0
 }
@@ -57,9 +69,30 @@ declare double @sin(double) nounwind readonly
 define i32 @t6(i32 %a, i32 %b) nounwind readnone {
 entry:
 ; CHECKV6: t6:
-; CHECKV6: b ___divsi3 @ TAILCALL
+; CHECKV6: b ___divsi3
 ; CHECKELF: t6:
-; CHECKELF: b __aeabi_idiv(PLT) @ TAILCALL
+; CHECKELF: b __aeabi_idiv(PLT)
   %0 = sdiv i32 %a, %b
   ret i32 %0
 }
+
+; Make sure the tail call instruction isn't deleted
+; rdar://8309338
+declare void @foo() nounwind
+
+define void @t7() nounwind {
+entry:
+; 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:
+  tail call void @foo() nounwind
+  unreachable
+
+bb:
+  tail call void @foo() nounwind
+  ret void
+}