(EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
x86_subreg_8bit_hi))>,
Requires<[In64BitMode]>;
+def : Pat<(i64 (zext (srl_su GR32:$src, (i8 8)))),
+ (SUBREG_TO_REG
+ (i64 0),
+ (MOVZX32_NOREXrr8
+ (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
+ x86_subreg_8bit_hi)),
+ x86_subreg_32bit)>;
def : Pat<(srl_su GR16:$src, (i8 8)),
(EXTRACT_SUBREG
(MOVZX32_NOREXrr8
x86_subreg_8bit_hi)),
x86_subreg_16bit)>,
Requires<[In64BitMode]>;
+def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
+ (MOVZX32_NOREXrr8
+ (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
+ x86_subreg_8bit_hi))>,
+ Requires<[In64BitMode]>;
+def : Pat<(i64 (zext (srl_su GR16:$src, (i8 8)))),
+ (SUBREG_TO_REG
+ (i64 0),
+ (MOVZX32_NOREXrr8
+ (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
+ x86_subreg_8bit_hi)),
+ x86_subreg_32bit)>;
// h-register extract and store.
def : Pat<(store (i8 (trunc_su (srl_su GR64:$src, (i8 8)))), addr:$dst),
--- /dev/null
+; RUN: llvm-as < %s | llc -march=x86 | grep xor | count 2
+
+ %struct.FILE = type { i8*, i32, i32, i16, i16, %struct.__sbuf, i32, i8*, i32 (i8*)*, i32 (i8*, i8*, i32)*, i64 (i8*, i64, i32)*, i32 (i8*, i8*, i32)*, %struct.__sbuf, %struct.__sFILEX*, i32, [3 x i8], [1 x i8], %struct.__sbuf, i32, i64 }
+ %struct.ImgT = type { i8, i8*, i8*, %struct.FILE*, i32, i32, i32, i32, i8*, double*, float*, float*, float*, i32*, double, double, i32*, double*, i32*, i32* }
+ %struct._CompT = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, i8, %struct._PixT*, %struct._CompT*, i8, %struct._CompT* }
+ %struct._PixT = type { i32, i32, %struct._PixT* }
+ %struct.__sFILEX = type opaque
+ %struct.__sbuf = type { i8*, i32 }
+
+declare fastcc void @MergeComponents(%struct._CompT*, %struct._CompT*, %struct._CompT*, %struct._CompT**, %struct.ImgT*) nounwind
+
+define fastcc void @MergeToLeft(%struct._CompT* %comp, %struct._CompT** %head, %struct.ImgT* %img) nounwind {
+entry:
+ br label %bb208
+
+bb105: ; preds = %bb200
+ br i1 false, label %bb197, label %bb149
+
+bb149: ; preds = %bb105
+ %tmp151 = getelementptr %struct._CompT* %comp, i32 0, i32 0 ; <i32*> [#uses=1]
+ br label %bb193
+
+bb193: ; preds = %bb184, %bb149
+ %tmp196 = load i32* %tmp151, align 4 ; <i32> [#uses=1]
+ br label %bb197
+
+bb197: ; preds = %bb193, %bb105
+ %last_comp.0 = phi i32 [ %tmp196, %bb193 ], [ 0, %bb105 ] ; <i32> [#uses=0]
+ %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1]
+ br label %bb200
+
+bb200: ; preds = %bb208, %bb197
+ %indvar = phi i32 [ 0, %bb208 ], [ %indvar.next, %bb197 ] ; <i32> [#uses=2]
+ %xm.0 = sub i32 %indvar, 0 ; <i32> [#uses=1]
+ %tmp202 = icmp slt i32 %xm.0, 1 ; <i1> [#uses=1]
+ br i1 %tmp202, label %bb105, label %bb208
+
+bb208: ; preds = %bb200, %entry
+ br label %bb200
+}