diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/ARM/arm-cgp-casts.ll (renamed from llvm/test/CodeGen/ARM/arm-cgp-zext-truncs.ll) | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/arm-cgp-zext-truncs.ll b/llvm/test/CodeGen/ARM/arm-cgp-casts.ll index 021b11f4f2d..e742ed7dba2 100644 --- a/llvm/test/CodeGen/ARM/arm-cgp-zext-truncs.ll +++ b/llvm/test/CodeGen/ARM/arm-cgp-casts.ll @@ -288,6 +288,50 @@ cleanup: ret i32 %retval.0 } +; CHECK-COMMON-LABEL: bitcast_i16 +; CHECK-COMMON-NOT: uxt +define i16 @bitcast_i16(i16 zeroext %arg0, i16 zeroext %arg1) { +entry: + %cast = bitcast i16 12345 to i16 + %add = add nuw i16 %arg0, 1 + %cmp = icmp ule i16 %add, %cast + %res = select i1 %cmp, i16 %arg1, i16 32657 + ret i16 %res +} + +; CHECK-COMMON-LABEL: bitcast_i8 +; CHECK-COMMON-NOT: uxt +define i8 @bitcast_i8(i8 zeroext %arg0, i8 zeroext %arg1) { +entry: + %cast = bitcast i8 127 to i8 + %mul = shl nuw i8 %arg0, 1 + %cmp = icmp uge i8 %mul, %arg1 + %res = select i1 %cmp, i8 %cast, i8 128 + ret i8 %res +} + +; CHECK-COMMON-LABEL: bitcast_i16_minus +; CHECK-COMMON-NOT: uxt +define i16 @bitcast_i16_minus(i16 zeroext %arg0, i16 zeroext %arg1) { +entry: + %cast = bitcast i16 -12345 to i16 + %xor = xor i16 %arg0, 7 + %cmp = icmp eq i16 %xor, %arg1 + %res = select i1 %cmp, i16 %cast, i16 32657 + ret i16 %res +} + +; CHECK-COMMON-LABEL: bitcast_i8_minus +; CHECK-COMMON-NOT: uxt +define i8 @bitcast_i8_minus(i8 zeroext %arg0, i8 zeroext %arg1) { +entry: + %cast = bitcast i8 -127 to i8 + %and = and i8 %arg0, 3 + %cmp = icmp ne i8 %and, %arg1 + %res = select i1 %cmp, i8 %cast, i8 128 + ret i8 %res +} + declare %class.x* @_ZNK2ae2afEv(%class.ae*) local_unnamed_addr declare %class.v* @_ZN1x2acEv(%class.x*) local_unnamed_addr declare i32 @dummy(i32, i32) |
