Index: llvm/trunk/lib/CodeGen/MachinePipeliner.cpp
===================================================================
--- llvm/trunk/lib/CodeGen/MachinePipeliner.cpp
+++ llvm/trunk/lib/CodeGen/MachinePipeliner.cpp
@@ -958,7 +958,7 @@
     unsigned F1 = 0, F2 = 0;
     unsigned MFUs1 = minFuncUnits(IS1, F1);
     unsigned MFUs2 = minFuncUnits(IS2, F2);
-    if (MFUs1 == 1 && MFUs2 == 1)
+    if (MFUs1 == MFUs2)
       return Resources.lookup(F1) < Resources.lookup(F2);
     return MFUs1 > MFUs2;
   }
Index: llvm/trunk/test/CodeGen/PowerPC/sms-cpy-1.ll
===================================================================
--- llvm/trunk/test/CodeGen/PowerPC/sms-cpy-1.ll
+++ llvm/trunk/test/CodeGen/PowerPC/sms-cpy-1.ll
@@ -0,0 +1,116 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -verify-machineinstrs\
+; RUN:       -mcpu=pwr9 --ppc-enable-pipeliner 2>&1 | FileCheck %s
+
+@.str.28 = external unnamed_addr constant [69 x i8], align 1
+
+define void @print_res() unnamed_addr {
+; CHECK-LABEL: print_res:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    mflr 0
+; CHECK-NEXT:    std 0, 16(1)
+; CHECK-NEXT:    stdu 1, -128(1)
+; CHECK-NEXT:    .cfi_def_cfa_offset 128
+; CHECK-NEXT:    .cfi_offset lr, 16
+; CHECK-NEXT:    lwz 3, 0(3)
+; CHECK-NEXT:    addi 3, 3, -1
+; CHECK-NEXT:    clrldi 4, 3, 32
+; CHECK-NEXT:    cmplwi 0, 3, 1
+; CHECK-NEXT:    li 3, 1
+; CHECK-NEXT:    isel 3, 4, 3, 1
+; CHECK-NEXT:    li 4, 2
+; CHECK-NEXT:    addi 3, 3, -1
+; CHECK-NEXT:    cmpldi 3, 2
+; CHECK-NEXT:    isel 3, 3, 4, 0
+; CHECK-NEXT:    li 4, 0
+; CHECK-NEXT:    addi 3, 3, 1
+; CHECK-NEXT:    li 5, 0
+; CHECK-NEXT:    li 7, -1
+; CHECK-NEXT:    mtctr 3
+; CHECK-NEXT:    lbz 5, 0(5)
+; CHECK-NEXT:    li 3, 1
+; CHECK-NEXT:    bdz .LBB0_6
+; CHECK-NEXT:  # %bb.1:
+; CHECK-NEXT:    xori 6, 5, 84
+; CHECK-NEXT:    clrldi 5, 7, 32
+; CHECK-NEXT:    lbz 5, 0(5)
+; CHECK-NEXT:    addi 3, 3, 1
+; CHECK-NEXT:    addi 8, 7, -1
+; CHECK-NEXT:    bdz .LBB0_5
+; CHECK-NEXT:  # %bb.2:
+; CHECK-NEXT:    cntlzw 6, 6
+; CHECK-NEXT:    srwi 7, 6, 5
+; CHECK-NEXT:    xori 6, 5, 84
+; CHECK-NEXT:    clrldi 5, 8, 32
+; CHECK-NEXT:    addi 8, 8, -1
+; CHECK-NEXT:    lbz 5, 0(5)
+; CHECK-NEXT:    addi 3, 3, 1
+; CHECK-NEXT:    bdz .LBB0_4
+; CHECK-NEXT:    .p2align 4
+; CHECK-NEXT:  .LBB0_3: #
+; CHECK-NEXT:    clrldi 10, 8, 32
+; CHECK-NEXT:    cntlzw 9, 6
+; CHECK-NEXT:    xori 6, 5, 84
+; CHECK-NEXT:    lbz 5, 0(10)
+; CHECK-NEXT:    addi 8, 8, -1
+; CHECK-NEXT:    addi 3, 3, 1
+; CHECK-NEXT:    add 4, 4, 7
+; CHECK-NEXT:    srwi 7, 9, 5
+; CHECK-NEXT:    bdnz .LBB0_3
+; CHECK-NEXT:  .LBB0_4:
+; CHECK-NEXT:    add 4, 4, 7
+; CHECK-NEXT:  .LBB0_5:
+; CHECK-NEXT:    cntlzw 6, 6
+; CHECK-NEXT:    srwi 6, 6, 5
+; CHECK-NEXT:    add 4, 4, 6
+; CHECK-NEXT:  .LBB0_6:
+; CHECK-NEXT:    xori 5, 5, 84
+; CHECK-NEXT:    cntlzw 5, 5
+; CHECK-NEXT:    clrldi 3, 3, 32
+; CHECK-NEXT:    std 3, 104(1)
+; CHECK-NEXT:    addis 3, 2, .LC0@toc@ha
+; CHECK-NEXT:    ld 3, .LC0@toc@l(3)
+; CHECK-NEXT:    li 7, 0
+; CHECK-NEXT:    li 8, 3
+; CHECK-NEXT:    srwi 5, 5, 5
+; CHECK-NEXT:    add 4, 4, 5
+; CHECK-NEXT:    li 5, 0
+; CHECK-NEXT:    std 5, 120(1)
+; CHECK-NEXT:    li 5, 3
+; CHECK-NEXT:    std 5, 96(1)
+; CHECK-NEXT:    clrldi 6, 4, 32
+; CHECK-NEXT:    li 4, 3
+; CHECK-NEXT:    li 5, 0
+; CHECK-NEXT:    li 10, 0
+; CHECK-NEXT:    bl printf
+; CHECK-NEXT:    nop
+  %1 = load i32, i32* undef, align 4
+  %2 = add i32 %1, -1
+  %3 = zext i32 %2 to i64
+  %4 = zext i32 3 to i64
+  br label %5
+
+5:                                                ; preds = %5, %0
+  %6 = phi i64 [ %16, %5 ], [ 0, %0 ]
+  %7 = phi i32 [ %15, %5 ], [ 0, %0 ]
+  %8 = trunc i64 %6 to i32
+  %9 = sub i32 0, %8
+  %10 = zext i32 %9 to i64
+  %11 = getelementptr inbounds i8, i8* null, i64 %10
+  %12 = load i8, i8* %11, align 1
+  %13 = icmp eq i8 %12, 84
+  %14 = zext i1 %13 to i32
+  %15 = add i32 %7, %14
+  %16 = add nuw nsw i64 %6, 1
+  %17 = icmp ult i64 %16, %3
+  %18 = icmp ult i64 %16, %4
+  %19 = and i1 %18, %17
+  br i1 %19, label %5, label %20
+
+20:                                               ; preds = %5
+  %21 = trunc i64 %16 to i32
+  call void (i8*, ...) @printf(i8* getelementptr inbounds ([69 x i8], [69 x i8]* @.str.28, i64 0, i64 0), i32 zeroext 3, i32 zeroext undef, i32 zeroext %15, i32 zeroext undef, i32 zeroext 3, i8* undef, i32 zeroext undef, i32 zeroext 3, i32 zeroext %21, i8* undef, i32 zeroext undef) #1
+  unreachable
+}
+
+declare void @printf(i8*, ...) local_unnamed_addr #0