Revert test changes part of "Revert "[InstCombine] Fold 'check for [no] signed truncation' pattern""

We want the test to remain good anyway.
I think the fix is incoming.

This reverts part of commit rL337344.

llvm-svn: 337359
This commit is contained in:
Roman Lebedev 2018-07-18 08:15:13 +00:00
parent ac0cb5bf75
commit ad50ae82ad
2 changed files with 108 additions and 108 deletions

View File

@ -15,13 +15,13 @@
define i1 @p0(i8 %x) {
; CHECK-LABEL: @p0(
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 4
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 4
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 5
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 5
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i8 [[TMP1]], [[X]]
; CHECK-NEXT: ret i1 [[TMP2]]
;
%tmp0 = shl i8 %x, 4
%tmp1 = ashr exact i8 %tmp0, 4
%tmp0 = shl i8 %x, 5
%tmp1 = ashr exact i8 %tmp0, 5
%tmp2 = icmp eq i8 %tmp1, %x
ret i1 %tmp2
}
@ -32,65 +32,65 @@ define i1 @p0(i8 %x) {
define <2 x i1> @p1_vec_splat(<2 x i8> %x) {
; CHECK-LABEL: @p1_vec_splat(
; CHECK-NEXT: [[TMP0:%.*]] = shl <2 x i8> [[X:%.*]], <i8 4, i8 4>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <2 x i8> [[TMP0]], <i8 4, i8 4>
; CHECK-NEXT: [[TMP0:%.*]] = shl <2 x i8> [[X:%.*]], <i8 5, i8 5>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <2 x i8> [[TMP0]], <i8 5, i8 5>
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <2 x i8> [[TMP1]], [[X]]
; CHECK-NEXT: ret <2 x i1> [[TMP2]]
;
%tmp0 = shl <2 x i8> %x, <i8 4, i8 4>
%tmp1 = ashr exact <2 x i8> %tmp0, <i8 4, i8 4>
%tmp0 = shl <2 x i8> %x, <i8 5, i8 5>
%tmp1 = ashr exact <2 x i8> %tmp0, <i8 5, i8 5>
%tmp2 = icmp eq <2 x i8> %tmp1, %x
ret <2 x i1> %tmp2
}
define <2 x i1> @p2_vec_nonsplat(<2 x i8> %x) {
; CHECK-LABEL: @p2_vec_nonsplat(
; CHECK-NEXT: [[TMP0:%.*]] = shl <2 x i8> [[X:%.*]], <i8 4, i8 5>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <2 x i8> [[TMP0]], <i8 4, i8 5>
; CHECK-NEXT: [[TMP0:%.*]] = shl <2 x i8> [[X:%.*]], <i8 5, i8 6>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <2 x i8> [[TMP0]], <i8 5, i8 6>
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <2 x i8> [[TMP1]], [[X]]
; CHECK-NEXT: ret <2 x i1> [[TMP2]]
;
%tmp0 = shl <2 x i8> %x, <i8 4, i8 5>
%tmp1 = ashr exact <2 x i8> %tmp0, <i8 4, i8 5>
%tmp0 = shl <2 x i8> %x, <i8 5, i8 6>
%tmp1 = ashr exact <2 x i8> %tmp0, <i8 5, i8 6>
%tmp2 = icmp eq <2 x i8> %tmp1, %x
ret <2 x i1> %tmp2
}
define <3 x i1> @p3_vec_undef0(<3 x i8> %x) {
; CHECK-LABEL: @p3_vec_undef0(
; CHECK-NEXT: [[TMP0:%.*]] = shl <3 x i8> [[X:%.*]], <i8 4, i8 undef, i8 4>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <3 x i8> [[TMP0]], <i8 4, i8 4, i8 4>
; CHECK-NEXT: [[TMP0:%.*]] = shl <3 x i8> [[X:%.*]], <i8 5, i8 undef, i8 5>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <3 x i8> [[TMP0]], <i8 5, i8 5, i8 5>
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <3 x i8> [[TMP1]], [[X]]
; CHECK-NEXT: ret <3 x i1> [[TMP2]]
;
%tmp0 = shl <3 x i8> %x, <i8 4, i8 undef, i8 4>
%tmp1 = ashr exact <3 x i8> %tmp0, <i8 4, i8 4, i8 4>
%tmp0 = shl <3 x i8> %x, <i8 5, i8 undef, i8 5>
%tmp1 = ashr exact <3 x i8> %tmp0, <i8 5, i8 5, i8 5>
%tmp2 = icmp eq <3 x i8> %tmp1, %x
ret <3 x i1> %tmp2
}
define <3 x i1> @p4_vec_undef1(<3 x i8> %x) {
; CHECK-LABEL: @p4_vec_undef1(
; CHECK-NEXT: [[TMP0:%.*]] = shl <3 x i8> [[X:%.*]], <i8 4, i8 4, i8 4>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <3 x i8> [[TMP0]], <i8 4, i8 undef, i8 4>
; CHECK-NEXT: [[TMP0:%.*]] = shl <3 x i8> [[X:%.*]], <i8 5, i8 5, i8 5>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <3 x i8> [[TMP0]], <i8 5, i8 undef, i8 5>
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <3 x i8> [[TMP1]], [[X]]
; CHECK-NEXT: ret <3 x i1> [[TMP2]]
;
%tmp0 = shl <3 x i8> %x, <i8 4, i8 4, i8 4>
%tmp1 = ashr exact <3 x i8> %tmp0, <i8 4, i8 undef, i8 4>
%tmp0 = shl <3 x i8> %x, <i8 5, i8 5, i8 5>
%tmp1 = ashr exact <3 x i8> %tmp0, <i8 5, i8 undef, i8 5>
%tmp2 = icmp eq <3 x i8> %tmp1, %x
ret <3 x i1> %tmp2
}
define <3 x i1> @p5_vec_undef2(<3 x i8> %x) {
; CHECK-LABEL: @p5_vec_undef2(
; CHECK-NEXT: [[TMP0:%.*]] = shl <3 x i8> [[X:%.*]], <i8 4, i8 undef, i8 4>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <3 x i8> [[TMP0]], <i8 4, i8 undef, i8 4>
; CHECK-NEXT: [[TMP0:%.*]] = shl <3 x i8> [[X:%.*]], <i8 5, i8 undef, i8 5>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <3 x i8> [[TMP0]], <i8 5, i8 undef, i8 5>
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <3 x i8> [[TMP1]], [[X]]
; CHECK-NEXT: ret <3 x i1> [[TMP2]]
;
%tmp0 = shl <3 x i8> %x, <i8 4, i8 undef, i8 4>
%tmp1 = ashr exact <3 x i8> %tmp0, <i8 4, i8 undef, i8 4>
%tmp0 = shl <3 x i8> %x, <i8 5, i8 undef, i8 5>
%tmp1 = ashr exact <3 x i8> %tmp0, <i8 5, i8 undef, i8 5>
%tmp2 = icmp eq <3 x i8> %tmp1, %x
ret <3 x i1> %tmp2
}
@ -104,14 +104,14 @@ declare i8 @gen8()
define i1 @c0() {
; CHECK-LABEL: @c0(
; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X]], 4
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 4
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X]], 5
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 5
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i8 [[X]], [[TMP1]]
; CHECK-NEXT: ret i1 [[TMP2]]
;
%x = call i8 @gen8()
%tmp0 = shl i8 %x, 4
%tmp1 = ashr exact i8 %tmp0, 4
%tmp0 = shl i8 %x, 5
%tmp1 = ashr exact i8 %tmp0, 5
%tmp2 = icmp eq i8 %x, %tmp1 ; swapped order
ret i1 %tmp2
}
@ -124,29 +124,29 @@ declare void @use8(i8)
define i1 @n_oneuse0(i8 %x) {
; CHECK-LABEL: @n_oneuse0(
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 4
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 5
; CHECK-NEXT: call void @use8(i8 [[TMP0]])
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 4
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 5
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i8 [[TMP1]], [[X]]
; CHECK-NEXT: ret i1 [[TMP2]]
;
%tmp0 = shl i8 %x, 4
%tmp0 = shl i8 %x, 5
call void @use8(i8 %tmp0)
%tmp1 = ashr exact i8 %tmp0, 4
%tmp1 = ashr exact i8 %tmp0, 5
%tmp2 = icmp eq i8 %tmp1, %x
ret i1 %tmp2
}
define i1 @n_oneuse1(i8 %x) {
; CHECK-LABEL: @n_oneuse1(
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 4
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 4
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 5
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 5
; CHECK-NEXT: call void @use8(i8 [[TMP1]])
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i8 [[TMP1]], [[X]]
; CHECK-NEXT: ret i1 [[TMP2]]
;
%tmp0 = shl i8 %x, 4
%tmp1 = ashr exact i8 %tmp0, 4
%tmp0 = shl i8 %x, 5
%tmp1 = ashr exact i8 %tmp0, 5
call void @use8(i8 %tmp1)
%tmp2 = icmp eq i8 %tmp1, %x
ret i1 %tmp2
@ -154,16 +154,16 @@ define i1 @n_oneuse1(i8 %x) {
define i1 @n_oneuse2(i8 %x) {
; CHECK-LABEL: @n_oneuse2(
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 4
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 5
; CHECK-NEXT: call void @use8(i8 [[TMP0]])
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 4
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 5
; CHECK-NEXT: call void @use8(i8 [[TMP1]])
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i8 [[TMP1]], [[X]]
; CHECK-NEXT: ret i1 [[TMP2]]
;
%tmp0 = shl i8 %x, 4
%tmp0 = shl i8 %x, 5
call void @use8(i8 %tmp0)
%tmp1 = ashr exact i8 %tmp0, 4
%tmp1 = ashr exact i8 %tmp0, 5
call void @use8(i8 %tmp1)
%tmp2 = icmp eq i8 %tmp1, %x
ret i1 %tmp2
@ -175,50 +175,50 @@ define i1 @n_oneuse2(i8 %x) {
define i1 @n0(i8 %x) {
; CHECK-LABEL: @n0(
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 4
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 5
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 3
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i8 [[TMP1]], [[X]]
; CHECK-NEXT: ret i1 [[TMP2]]
;
%tmp0 = shl i8 %x, 4
%tmp1 = ashr exact i8 %tmp0, 3 ; not 4
%tmp0 = shl i8 %x, 5
%tmp1 = ashr exact i8 %tmp0, 3 ; not 5
%tmp2 = icmp eq i8 %tmp1, %x
ret i1 %tmp2
}
define i1 @n1(i8 %x) {
; CHECK-LABEL: @n1(
; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i8 [[X:%.*]], 16
; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i8 [[X:%.*]], 8
; CHECK-NEXT: ret i1 [[TMP1]]
;
%tmp0 = shl i8 %x, 4
%tmp1 = lshr exact i8 %tmp0, 4 ; not ashr
%tmp0 = shl i8 %x, 5
%tmp1 = lshr exact i8 %tmp0, 5 ; not ashr
%tmp2 = icmp eq i8 %tmp1, %x
ret i1 %tmp2
}
define i1 @n2(i8 %x, i8 %y) {
; CHECK-LABEL: @n2(
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 4
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 4
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 5
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 5
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i8 [[TMP1]], [[Y:%.*]]
; CHECK-NEXT: ret i1 [[TMP2]]
;
%tmp0 = shl i8 %x, 4
%tmp1 = ashr exact i8 %tmp0, 4
%tmp0 = shl i8 %x, 5
%tmp1 = ashr exact i8 %tmp0, 5
%tmp2 = icmp eq i8 %tmp1, %y ; not %x
ret i1 %tmp2
}
define <2 x i1> @n3_vec_nonsplat(<2 x i8> %x) {
; CHECK-LABEL: @n3_vec_nonsplat(
; CHECK-NEXT: [[TMP0:%.*]] = shl <2 x i8> [[X:%.*]], <i8 4, i8 4>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <2 x i8> [[TMP0]], <i8 4, i8 3>
; CHECK-NEXT: [[TMP0:%.*]] = shl <2 x i8> [[X:%.*]], <i8 5, i8 5>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <2 x i8> [[TMP0]], <i8 5, i8 3>
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <2 x i8> [[TMP1]], [[X]]
; CHECK-NEXT: ret <2 x i1> [[TMP2]]
;
%tmp0 = shl <2 x i8> %x, <i8 4, i8 4>
%tmp1 = ashr exact <2 x i8> %tmp0, <i8 4, i8 3> ; 3 instead of 4
%tmp0 = shl <2 x i8> %x, <i8 5, i8 5>
%tmp1 = ashr exact <2 x i8> %tmp0, <i8 5, i8 3> ; 3 instead of 5
%tmp2 = icmp eq <2 x i8> %tmp1, %x
ret <2 x i1> %tmp2
}

View File

@ -15,13 +15,13 @@
define i1 @p0(i8 %x) {
; CHECK-LABEL: @p0(
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 4
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 4
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 5
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 5
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne i8 [[TMP1]], [[X]]
; CHECK-NEXT: ret i1 [[TMP2]]
;
%tmp0 = shl i8 %x, 4
%tmp1 = ashr exact i8 %tmp0, 4
%tmp0 = shl i8 %x, 5
%tmp1 = ashr exact i8 %tmp0, 5
%tmp2 = icmp ne i8 %tmp1, %x
ret i1 %tmp2
}
@ -32,65 +32,65 @@ define i1 @p0(i8 %x) {
define <2 x i1> @p1_vec_splat(<2 x i8> %x) {
; CHECK-LABEL: @p1_vec_splat(
; CHECK-NEXT: [[TMP0:%.*]] = shl <2 x i8> [[X:%.*]], <i8 4, i8 4>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <2 x i8> [[TMP0]], <i8 4, i8 4>
; CHECK-NEXT: [[TMP0:%.*]] = shl <2 x i8> [[X:%.*]], <i8 5, i8 5>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <2 x i8> [[TMP0]], <i8 5, i8 5>
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne <2 x i8> [[TMP1]], [[X]]
; CHECK-NEXT: ret <2 x i1> [[TMP2]]
;
%tmp0 = shl <2 x i8> %x, <i8 4, i8 4>
%tmp1 = ashr exact <2 x i8> %tmp0, <i8 4, i8 4>
%tmp0 = shl <2 x i8> %x, <i8 5, i8 5>
%tmp1 = ashr exact <2 x i8> %tmp0, <i8 5, i8 5>
%tmp2 = icmp ne <2 x i8> %tmp1, %x
ret <2 x i1> %tmp2
}
define <2 x i1> @p2_vec_nonsplat(<2 x i8> %x) {
; CHECK-LABEL: @p2_vec_nonsplat(
; CHECK-NEXT: [[TMP0:%.*]] = shl <2 x i8> [[X:%.*]], <i8 4, i8 5>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <2 x i8> [[TMP0]], <i8 4, i8 5>
; CHECK-NEXT: [[TMP0:%.*]] = shl <2 x i8> [[X:%.*]], <i8 5, i8 6>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <2 x i8> [[TMP0]], <i8 5, i8 6>
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne <2 x i8> [[TMP1]], [[X]]
; CHECK-NEXT: ret <2 x i1> [[TMP2]]
;
%tmp0 = shl <2 x i8> %x, <i8 4, i8 5>
%tmp1 = ashr exact <2 x i8> %tmp0, <i8 4, i8 5>
%tmp0 = shl <2 x i8> %x, <i8 5, i8 6>
%tmp1 = ashr exact <2 x i8> %tmp0, <i8 5, i8 6>
%tmp2 = icmp ne <2 x i8> %tmp1, %x
ret <2 x i1> %tmp2
}
define <3 x i1> @p3_vec_undef0(<3 x i8> %x) {
; CHECK-LABEL: @p3_vec_undef0(
; CHECK-NEXT: [[TMP0:%.*]] = shl <3 x i8> [[X:%.*]], <i8 4, i8 undef, i8 4>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <3 x i8> [[TMP0]], <i8 4, i8 4, i8 4>
; CHECK-NEXT: [[TMP0:%.*]] = shl <3 x i8> [[X:%.*]], <i8 5, i8 undef, i8 5>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <3 x i8> [[TMP0]], <i8 5, i8 5, i8 5>
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne <3 x i8> [[TMP1]], [[X]]
; CHECK-NEXT: ret <3 x i1> [[TMP2]]
;
%tmp0 = shl <3 x i8> %x, <i8 4, i8 undef, i8 4>
%tmp1 = ashr exact <3 x i8> %tmp0, <i8 4, i8 4, i8 4>
%tmp0 = shl <3 x i8> %x, <i8 5, i8 undef, i8 5>
%tmp1 = ashr exact <3 x i8> %tmp0, <i8 5, i8 5, i8 5>
%tmp2 = icmp ne <3 x i8> %tmp1, %x
ret <3 x i1> %tmp2
}
define <3 x i1> @p4_vec_undef1(<3 x i8> %x) {
; CHECK-LABEL: @p4_vec_undef1(
; CHECK-NEXT: [[TMP0:%.*]] = shl <3 x i8> [[X:%.*]], <i8 4, i8 4, i8 4>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <3 x i8> [[TMP0]], <i8 4, i8 undef, i8 4>
; CHECK-NEXT: [[TMP0:%.*]] = shl <3 x i8> [[X:%.*]], <i8 5, i8 5, i8 5>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <3 x i8> [[TMP0]], <i8 5, i8 undef, i8 5>
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne <3 x i8> [[TMP1]], [[X]]
; CHECK-NEXT: ret <3 x i1> [[TMP2]]
;
%tmp0 = shl <3 x i8> %x, <i8 4, i8 4, i8 4>
%tmp1 = ashr exact <3 x i8> %tmp0, <i8 4, i8 undef, i8 4>
%tmp0 = shl <3 x i8> %x, <i8 5, i8 5, i8 5>
%tmp1 = ashr exact <3 x i8> %tmp0, <i8 5, i8 undef, i8 5>
%tmp2 = icmp ne <3 x i8> %tmp1, %x
ret <3 x i1> %tmp2
}
define <3 x i1> @p5_vec_undef2(<3 x i8> %x) {
; CHECK-LABEL: @p5_vec_undef2(
; CHECK-NEXT: [[TMP0:%.*]] = shl <3 x i8> [[X:%.*]], <i8 4, i8 undef, i8 4>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <3 x i8> [[TMP0]], <i8 4, i8 undef, i8 4>
; CHECK-NEXT: [[TMP0:%.*]] = shl <3 x i8> [[X:%.*]], <i8 5, i8 undef, i8 5>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <3 x i8> [[TMP0]], <i8 5, i8 undef, i8 5>
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne <3 x i8> [[TMP1]], [[X]]
; CHECK-NEXT: ret <3 x i1> [[TMP2]]
;
%tmp0 = shl <3 x i8> %x, <i8 4, i8 undef, i8 4>
%tmp1 = ashr exact <3 x i8> %tmp0, <i8 4, i8 undef, i8 4>
%tmp0 = shl <3 x i8> %x, <i8 5, i8 undef, i8 5>
%tmp1 = ashr exact <3 x i8> %tmp0, <i8 5, i8 undef, i8 5>
%tmp2 = icmp ne <3 x i8> %tmp1, %x
ret <3 x i1> %tmp2
}
@ -104,14 +104,14 @@ declare i8 @gen8()
define i1 @c0() {
; CHECK-LABEL: @c0(
; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X]], 4
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 4
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X]], 5
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 5
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne i8 [[X]], [[TMP1]]
; CHECK-NEXT: ret i1 [[TMP2]]
;
%x = call i8 @gen8()
%tmp0 = shl i8 %x, 4
%tmp1 = ashr exact i8 %tmp0, 4
%tmp0 = shl i8 %x, 5
%tmp1 = ashr exact i8 %tmp0, 5
%tmp2 = icmp ne i8 %x, %tmp1 ; swapped order
ret i1 %tmp2
}
@ -124,29 +124,29 @@ declare void @use8(i8)
define i1 @n_oneuse0(i8 %x) {
; CHECK-LABEL: @n_oneuse0(
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 4
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 5
; CHECK-NEXT: call void @use8(i8 [[TMP0]])
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 4
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 5
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne i8 [[TMP1]], [[X]]
; CHECK-NEXT: ret i1 [[TMP2]]
;
%tmp0 = shl i8 %x, 4
%tmp0 = shl i8 %x, 5
call void @use8(i8 %tmp0)
%tmp1 = ashr exact i8 %tmp0, 4
%tmp1 = ashr exact i8 %tmp0, 5
%tmp2 = icmp ne i8 %tmp1, %x
ret i1 %tmp2
}
define i1 @n_oneuse1(i8 %x) {
; CHECK-LABEL: @n_oneuse1(
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 4
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 4
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 5
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 5
; CHECK-NEXT: call void @use8(i8 [[TMP1]])
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne i8 [[TMP1]], [[X]]
; CHECK-NEXT: ret i1 [[TMP2]]
;
%tmp0 = shl i8 %x, 4
%tmp1 = ashr exact i8 %tmp0, 4
%tmp0 = shl i8 %x, 5
%tmp1 = ashr exact i8 %tmp0, 5
call void @use8(i8 %tmp1)
%tmp2 = icmp ne i8 %tmp1, %x
ret i1 %tmp2
@ -154,16 +154,16 @@ define i1 @n_oneuse1(i8 %x) {
define i1 @n_oneuse2(i8 %x) {
; CHECK-LABEL: @n_oneuse2(
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 4
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 5
; CHECK-NEXT: call void @use8(i8 [[TMP0]])
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 4
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 5
; CHECK-NEXT: call void @use8(i8 [[TMP1]])
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne i8 [[TMP1]], [[X]]
; CHECK-NEXT: ret i1 [[TMP2]]
;
%tmp0 = shl i8 %x, 4
%tmp0 = shl i8 %x, 5
call void @use8(i8 %tmp0)
%tmp1 = ashr exact i8 %tmp0, 4
%tmp1 = ashr exact i8 %tmp0, 5
call void @use8(i8 %tmp1)
%tmp2 = icmp ne i8 %tmp1, %x
ret i1 %tmp2
@ -175,50 +175,50 @@ define i1 @n_oneuse2(i8 %x) {
define i1 @n0(i8 %x) {
; CHECK-LABEL: @n0(
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 4
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 5
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 3
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne i8 [[TMP1]], [[X]]
; CHECK-NEXT: ret i1 [[TMP2]]
;
%tmp0 = shl i8 %x, 4
%tmp1 = ashr exact i8 %tmp0, 3 ; not 4
%tmp0 = shl i8 %x, 5
%tmp1 = ashr exact i8 %tmp0, 3 ; not 5
%tmp2 = icmp ne i8 %tmp1, %x
ret i1 %tmp2
}
define i1 @n1(i8 %x) {
; CHECK-LABEL: @n1(
; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i8 [[X:%.*]], 15
; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i8 [[X:%.*]], 7
; CHECK-NEXT: ret i1 [[TMP1]]
;
%tmp0 = shl i8 %x, 4
%tmp1 = lshr exact i8 %tmp0, 4 ; not ashr
%tmp0 = shl i8 %x, 5
%tmp1 = lshr exact i8 %tmp0, 5 ; not ashr
%tmp2 = icmp ne i8 %tmp1, %x
ret i1 %tmp2
}
define i1 @n2(i8 %x, i8 %y) {
; CHECK-LABEL: @n2(
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 4
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 4
; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 5
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 5
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne i8 [[TMP1]], [[Y:%.*]]
; CHECK-NEXT: ret i1 [[TMP2]]
;
%tmp0 = shl i8 %x, 4
%tmp1 = ashr exact i8 %tmp0, 4
%tmp0 = shl i8 %x, 5
%tmp1 = ashr exact i8 %tmp0, 5
%tmp2 = icmp ne i8 %tmp1, %y ; not %x
ret i1 %tmp2
}
define <2 x i1> @n3_vec_nonsplat(<2 x i8> %x) {
; CHECK-LABEL: @n3_vec_nonsplat(
; CHECK-NEXT: [[TMP0:%.*]] = shl <2 x i8> [[X:%.*]], <i8 4, i8 4>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <2 x i8> [[TMP0]], <i8 4, i8 3>
; CHECK-NEXT: [[TMP0:%.*]] = shl <2 x i8> [[X:%.*]], <i8 5, i8 5>
; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <2 x i8> [[TMP0]], <i8 5, i8 3>
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne <2 x i8> [[TMP1]], [[X]]
; CHECK-NEXT: ret <2 x i1> [[TMP2]]
;
%tmp0 = shl <2 x i8> %x, <i8 4, i8 4>
%tmp1 = ashr exact <2 x i8> %tmp0, <i8 4, i8 3> ; 3 instead of 4
%tmp0 = shl <2 x i8> %x, <i8 5, i8 5>
%tmp1 = ashr exact <2 x i8> %tmp0, <i8 5, i8 3> ; 3 instead of 5
%tmp2 = icmp ne <2 x i8> %tmp1, %x
ret <2 x i1> %tmp2
}