[AMDGPU] Avoid else-after-return in isLegalAddressingMode. NFC.

diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index a020069..a2f04d2 100644 (file)
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -1362,11 +1362,12 @@ bool SITargetLowering::isLegalAddressingMode(const DataLayout &DL,
       return true;
 
     return false;
+  }
 
-  } else if (AS == AMDGPUAS::PRIVATE_ADDRESS) {
+  if (AS == AMDGPUAS::PRIVATE_ADDRESS)
     return isLegalMUBUFAddressingMode(AM);
-  } else if (AS == AMDGPUAS::LOCAL_ADDRESS ||
-             AS == AMDGPUAS::REGION_ADDRESS) {
+
+  if (AS == AMDGPUAS::LOCAL_ADDRESS || AS == AMDGPUAS::REGION_ADDRESS) {
     // Basic, single offset DS instructions allow a 16-bit unsigned immediate
     // field.
     // XXX - If doing a 4-byte aligned 8-byte type access, we effectively have
@@ -1381,8 +1382,9 @@ bool SITargetLowering::isLegalAddressingMode(const DataLayout &DL,
       return true;
 
     return false;
-  } else if (AS == AMDGPUAS::FLAT_ADDRESS ||
-             AS == AMDGPUAS::UNKNOWN_ADDRESS_SPACE) {
+  }
+
+  if (AS == AMDGPUAS::FLAT_ADDRESS || AS == AMDGPUAS::UNKNOWN_ADDRESS_SPACE) {
     // For an unknown address space, this usually means that this is for some
     // reason being used for pure arithmetic, and not based on some addressing
     // computation. We don't have instructions that compute pointers with any