Only pass 'returned' to target-specific lowering code when the value of entire register is guaranteed to be preserved.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180825 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 64 deletions

diff --git a/test/CodeGen/ARM/this-return.ll b/test/CodeGen/ARM/this-return.ll
index 3047302..f06e4a4 100644
--- a/test/CodeGen/ARM/this-return.ll
+++ b/test/CodeGen/ARM/this-return.ll
@@ -103,67 +103,3 @@ entry:
   %call2 = tail call %struct.B* @B_ctor_complete(%struct.B* %b2, i32 %x)
   ret %struct.E* %this
 }
-
-declare i16 @identity16(i16 returned %x)
-declare zeroext i16 @zeroext16(i16 returned %x)
-declare i32 @identity32(i32 returned %x)
-
-define i16 @test_identity(i16 %x) {
-entry:
-; CHECKELF: test_identity:
-; CHECKELF: mov [[SAVEX:r[0-9]+]], r0
-; CHECKELF: bl identity16
-; CHECKELF: uxth r0, [[SAVEX]]
-; CHECKELF: bl identity32
-; CHECKELF: mov r0, [[SAVEX]]
-; CHECKT2D: test_identity:
-; CHECKT2D: mov [[SAVEX:r[0-9]+]], r0
-; CHECKT2D: blx _identity16
-; CHECKT2D: uxth r0, [[SAVEX]]
-; CHECKT2D: blx _identity32
-; CHECKT2D: mov r0, [[SAVEX]]
-  %call = tail call i16 @identity16(i16 %x)
-  %b = zext i16 %x to i32
-  %call2 = tail call i32 @identity32(i32 %b)
-  ret i16 %call
-}
-
-define i16 @test_matched_ext(i16 %x) {
-entry:
-; CHECKELF: test_matched_ext:
-; CHECKELF-NOT: mov {{r[0-9]+}}, r0
-; CHECKELF: bl zeroext16
-; CHECKELF-NOT: uxth r0, {{r[0-9]+}}
-; CHECKELF: bl identity32
-; CHECKELF-NOT: mov r0, {{r[0-9]+}}
-; CHECKT2D: test_matched_ext:
-; CHECKT2D-NOT: mov {{r[0-9]+}}, r0
-; CHECKT2D: blx _zeroext16
-; CHECKT2D-NOT: uxth r0, {{r[0-9]+}}
-; CHECKT2D: blx _identity32
-; CHECKT2D-NOT: mov r0, {{r[0-9]+}}
-  %call = tail call i16 @zeroext16(i16 %x)
-  %b = zext i16 %call to i32
-  %call2 = tail call i32 @identity32(i32 %b)
-  ret i16 %call
-}
-
-define i16 @test_mismatched_ext(i16 %x) {
-entry:
-; CHECKELF: test_mismatched_ext:
-; CHECKELF: mov [[SAVEX:r[0-9]+]], r0
-; CHECKELF: bl zeroext16
-; CHECKELF: sxth r0, [[SAVEX]]
-; CHECKELF: bl identity32
-; CHECKELF: mov r0, [[SAVEX]]
-; CHECKT2D: test_mismatched_ext:
-; CHECKT2D: mov [[SAVEX:r[0-9]+]], r0
-; CHECKT2D: blx _zeroext16
-; CHECKT2D: sxth r0, [[SAVEX]]
-; CHECKT2D: blx _identity32
-; CHECKT2D: mov r0, [[SAVEX]]
-  %call = tail call i16 @zeroext16(i16 %x)
-  %b = sext i16 %call to i32
-  %call2 = tail call i32 @identity32(i32 %b)
-  ret i16 %call
-}