[PATCH] D50769: [ARM] Typesize lower bound for ARMCodeGenPrepare

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This revision was automatically updated to reflect the committed changes.
Closed by commit rL339770: [ARM] TypeSize lower bound for ARMCodeGenPrepare (authored by sam_parker, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D50769?vs=160781&id=160791#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D50769

Files:
  llvm/trunk/lib/Target/ARM/ARMCodeGenPrepare.cpp
  llvm/trunk/test/CodeGen/ARM/arm-cgp-icmps.ll


Index: llvm/trunk/lib/Target/ARM/ARMCodeGenPrepare.cpp
===================================================================
--- llvm/trunk/lib/Target/ARM/ARMCodeGenPrepare.cpp
+++ llvm/trunk/lib/Target/ARM/ARMCodeGenPrepare.cpp
@@ -562,7 +562,7 @@
 bool ARMCodeGenPrepare::TryToPromote(Value *V) {
   OrigTy = V->getType();
   TypeSize = OrigTy->getPrimitiveSizeInBits();
-  if (TypeSize > 16)
+  if (TypeSize > 16 || TypeSize < 8)
     return false;
 
   if (!isSupportedValue(V) || !shouldPromote(V) || !isLegalToPromote(V))
Index: llvm/trunk/test/CodeGen/ARM/arm-cgp-icmps.ll
===================================================================
--- llvm/trunk/test/CodeGen/ARM/arm-cgp-icmps.ll
+++ llvm/trunk/test/CodeGen/ARM/arm-cgp-icmps.ll
@@ -256,3 +256,27 @@
   ret i32 %res
 }
 
+; CHECK-COMMON-LABEL: icmp_i1
+; CHECK-NOT: uxt
+define i32 @icmp_i1(i1* %arg0, i1 zeroext %arg1, i32 %a, i32 %b) {
+entry:
+  %load = load i1, i1* %arg0
+  %not = xor i1 %load, 1
+  %cmp = icmp eq i1 %arg1, %not
+  %res = select i1 %cmp, i32 %a, i32 %b
+  ret i32 %res
+}
+
+; CHECK-COMMON-LABEL: icmp_i7
+; CHECK-COMMON: ldrb
+; CHECK-COMMON: and
+; CHECK-COMMON: cmp
+define i32 @icmp_i7(i7* %arg0, i7 zeroext %arg1, i32 %a, i32 %b) {
+entry:
+  %load = load i7, i7* %arg0
+  %add = add nuw i7 %load, 1
+  %cmp = icmp ult i7 %arg1, %add
+  %res = select i1 %cmp, i32 %a, i32 %b
+  ret i32 %res
+}
+


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