diff --git a/llvm/test/Transforms/InstCombine/hoist-negation-out-of-bias-calculation.ll b/llvm/test/Transforms/InstCombine/hoist-negation-out-of-bias-calculation.ll
new file mode 100644
index 00000000000000..b0e8884cea066a
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/hoist-negation-out-of-bias-calculation.ll
@@ -0,0 +1,158 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -S < %s -instcombine | FileCheck %s
+
+; Fold
+;   (X & (- Y)) - X
+; to
+;   - (X & (Y - 1))
+;
+; This allows us to possibly hoist said negation further out.
+
+; https://bugs.llvm.org/show_bug.cgi?id=44448
+
+; Base tests
+
+define i8 @t0(i8 %x, i8 %y) {
+; CHECK-LABEL: @t0(
+; CHECK-NEXT:    [[NEGY:%.*]] = sub i8 0, [[Y:%.*]]
+; CHECK-NEXT:    [[UNBIASEDX:%.*]] = and i8 [[NEGY]], [[X:%.*]]
+; CHECK-NEXT:    [[NEGBIAS:%.*]] = sub i8 [[UNBIASEDX]], [[X]]
+; CHECK-NEXT:    ret i8 [[NEGBIAS]]
+;
+  %negy = sub i8 0, %y
+  %unbiasedx = and i8 %negy, %x
+  %negbias = sub i8 %unbiasedx, %x
+  ret i8 %negbias
+}
+
+declare i8 @gen8()
+
+define i8 @t1_commutative(i8 %y) {
+; CHECK-LABEL: @t1_commutative(
+; CHECK-NEXT:    [[X:%.*]] = call i8 @gen8()
+; CHECK-NEXT:    [[NEGY:%.*]] = sub i8 0, [[Y:%.*]]
+; CHECK-NEXT:    [[UNBIASEDX:%.*]] = and i8 [[X]], [[NEGY]]
+; CHECK-NEXT:    [[NEGBIAS:%.*]] = sub i8 [[UNBIASEDX]], [[X]]
+; CHECK-NEXT:    ret i8 [[NEGBIAS]]
+;
+  %x = call i8 @gen8()
+  %negy = sub i8 0, %y
+  %unbiasedx = and i8 %x, %negy ; commutative, swapped
+  %negbias = sub i8 %unbiasedx, %x
+  ret i8 %negbias
+}
+
+define <2 x i8> @t2_vec(<2 x i8> %x, <2 x i8> %y) {
+; CHECK-LABEL: @t2_vec(
+; CHECK-NEXT:    [[NEGY:%.*]] = sub <2 x i8> zeroinitializer, [[Y:%.*]]
+; CHECK-NEXT:    [[UNBIASEDX:%.*]] = and <2 x i8> [[NEGY]], [[X:%.*]]
+; CHECK-NEXT:    [[NEGBIAS:%.*]] = sub <2 x i8> [[UNBIASEDX]], [[X]]
+; CHECK-NEXT:    ret <2 x i8> [[NEGBIAS]]
+;
+  %negy = sub <2 x i8> <i8 0, i8 0>, %y
+  %unbiasedx = and <2 x i8> %negy, %x
+  %negbias = sub <2 x i8> %unbiasedx, %x
+  ret <2 x i8> %negbias
+}
+
+define <2 x i8> @t3_vec_undef(<2 x i8> %x, <2 x i8> %y) {
+; CHECK-LABEL: @t3_vec_undef(
+; CHECK-NEXT:    [[NEGY:%.*]] = sub <2 x i8> <i8 0, i8 undef>, [[Y:%.*]]
+; CHECK-NEXT:    [[UNBIASEDX:%.*]] = and <2 x i8> [[NEGY]], [[X:%.*]]
+; CHECK-NEXT:    [[NEGBIAS:%.*]] = sub <2 x i8> [[UNBIASEDX]], [[X]]
+; CHECK-NEXT:    ret <2 x i8> [[NEGBIAS]]
+;
+  %negy = sub <2 x i8> <i8 0, i8 undef>, %y
+  %unbiasedx = and <2 x i8> %negy, %x
+  %negbias = sub <2 x i8> %unbiasedx, %x
+  ret <2 x i8> %negbias
+}
+
+; Extra uses always prevent fold
+
+declare void @use8(i8)
+
+define i8 @n4_extrause0(i8 %x, i8 %y) {
+; CHECK-LABEL: @n4_extrause0(
+; CHECK-NEXT:    [[NEGY:%.*]] = sub i8 0, [[Y:%.*]]
+; CHECK-NEXT:    call void @use8(i8 [[NEGY]])
+; CHECK-NEXT:    [[UNBIASEDX:%.*]] = and i8 [[NEGY]], [[X:%.*]]
+; CHECK-NEXT:    [[NEGBIAS:%.*]] = sub i8 [[UNBIASEDX]], [[X]]
+; CHECK-NEXT:    ret i8 [[NEGBIAS]]
+;
+  %negy = sub i8 0, %y
+  call void @use8(i8 %negy)
+  %unbiasedx = and i8 %negy, %x
+  %negbias = sub i8 %unbiasedx, %x
+  ret i8 %negbias
+}
+define i8 @n5_extrause1(i8 %x, i8 %y) {
+; CHECK-LABEL: @n5_extrause1(
+; CHECK-NEXT:    [[NEGY:%.*]] = sub i8 0, [[Y:%.*]]
+; CHECK-NEXT:    [[UNBIASEDX:%.*]] = and i8 [[NEGY]], [[X:%.*]]
+; CHECK-NEXT:    call void @use8(i8 [[UNBIASEDX]])
+; CHECK-NEXT:    [[NEGBIAS:%.*]] = sub i8 [[UNBIASEDX]], [[X]]
+; CHECK-NEXT:    ret i8 [[NEGBIAS]]
+;
+  %negy = sub i8 0, %y
+  %unbiasedx = and i8 %negy, %x
+  call void @use8(i8 %unbiasedx)
+  %negbias = sub i8 %unbiasedx, %x
+  ret i8 %negbias
+}
+define i8 @n6_extrause2(i8 %x, i8 %y) {
+; CHECK-LABEL: @n6_extrause2(
+; CHECK-NEXT:    [[NEGY:%.*]] = sub i8 0, [[Y:%.*]]
+; CHECK-NEXT:    call void @use8(i8 [[NEGY]])
+; CHECK-NEXT:    [[UNBIASEDX:%.*]] = and i8 [[NEGY]], [[X:%.*]]
+; CHECK-NEXT:    call void @use8(i8 [[UNBIASEDX]])
+; CHECK-NEXT:    [[NEGBIAS:%.*]] = sub i8 [[UNBIASEDX]], [[X]]
+; CHECK-NEXT:    ret i8 [[NEGBIAS]]
+;
+  %negy = sub i8 0, %y
+  call void @use8(i8 %negy)
+  %unbiasedx = and i8 %negy, %x
+  call void @use8(i8 %unbiasedx)
+  %negbias = sub i8 %unbiasedx, %x
+  ret i8 %negbias
+}
+
+; Negative tests
+
+define i8 @n7(i8 %x, i8 %y) {
+; CHECK-LABEL: @n7(
+; CHECK-NEXT:    [[NEGY_NOT:%.*]] = add i8 [[Y:%.*]], -1
+; CHECK-NEXT:    [[NEGBIAS:%.*]] = and i8 [[NEGY_NOT]], [[X:%.*]]
+; CHECK-NEXT:    ret i8 [[NEGBIAS]]
+;
+  %negy = sub i8 0, %y
+  %unbiasedx = and i8 %negy, %x
+  %negbias = sub i8 %x, %unbiasedx ; wrong order
+  ret i8 %negbias
+}
+
+define i8 @n8(i8 %x, i8 %y) {
+; CHECK-LABEL: @n8(
+; CHECK-NEXT:    [[NEGY:%.*]] = sub i8 1, [[Y:%.*]]
+; CHECK-NEXT:    [[UNBIASEDX:%.*]] = and i8 [[NEGY]], [[X:%.*]]
+; CHECK-NEXT:    [[NEGBIAS:%.*]] = sub i8 [[UNBIASEDX]], [[X]]
+; CHECK-NEXT:    ret i8 [[NEGBIAS]]
+;
+  %negy = sub i8 1, %y ; not negation
+  %unbiasedx = and i8 %negy, %x
+  %negbias = sub i8 %unbiasedx, %x
+  ret i8 %negbias
+}
+
+define i8 @n9(i8 %x0, i8 %x1, i8 %y) {
+; CHECK-LABEL: @n9(
+; CHECK-NEXT:    [[NEGY:%.*]] = sub i8 0, [[Y:%.*]]
+; CHECK-NEXT:    [[UNBIASEDX:%.*]] = and i8 [[NEGY]], [[X1:%.*]]
+; CHECK-NEXT:    [[NEGBIAS:%.*]] = sub i8 [[UNBIASEDX]], [[X0:%.*]]
+; CHECK-NEXT:    ret i8 [[NEGBIAS]]
+;
+  %negy = sub i8 0, %y
+  %unbiasedx = and i8 %x1, %negy ; not %x0
+  %negbias = sub i8 %unbiasedx, %x0 ; not %x1
+  ret i8 %negbias
+}