+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=atom | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=atom -filetype=obj -o /dev/null
+
+define void @HUF_writeCTable_wksp() {
+; CHECK-LABEL: HUF_writeCTable_wksp:
+; CHECK: # %bb.0: # %entry
+; CHECK-NEXT: movl $2, %eax
+; CHECK-NEXT: movb $-2, %cl
+; CHECK-NEXT: .p2align 4, 0x90
+; CHECK-NEXT: .LBB0_1: # %for.body
+; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT: leal 1(%rcx), %edx
+; CHECK-NEXT: movb %dl, (%rax)
+; CHECK-NEXT: movb %cl, (%rax)
+; CHECK-NEXT: leaq 2(%rax), %rax
+; CHECK-NEXT: addb $-2, %cl
+; CHECK-NEXT: jmp .LBB0_1
+entry:
+ br label %for.body
+
+for.body: ; preds = %for.body, %entry
+ %indvars.iv8 = phi i64 [ 1, %entry ], [ %indvars.iv.next9.1, %for.body ]
+ %0 = trunc i64 %indvars.iv8 to i8
+ %conv = sub i8 0, %0
+ store i8 %conv, i8* undef, align 1
+ %indvars.iv.next9 = add nuw nsw i64 %indvars.iv8, 1
+ %1 = trunc i64 %indvars.iv.next9 to i8
+ %conv.1 = sub i8 0, %1
+ %arrayidx.1 = getelementptr inbounds i8, i8* null, i64 %indvars.iv.next9
+ store i8 %conv.1, i8* %arrayidx.1, align 1
+ %indvars.iv.next9.1 = add nuw nsw i64 %indvars.iv8, 2
+ br i1 false, label %for.end, label %for.body
+
+for.end: ; preds = %for.body
+ ret void
+}