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[InstCombine] regenerate checks 

llvm-svn: 280993
This commit is contained in:
Sanjay Patel 2016-09-08 21:40:21 +00:00
parent bfe5e1817b
commit a4c6223319
1 changed files with 284 additions and 228 deletions
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512
llvm/test/Transforms/InstCombine/sub.ll
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@ -1,3 +1,4 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
target datalayout = "e-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
; Optimize subtracts.
@ -5,99 +6,110 @@ target datalayout = "e-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-
; RUN: opt < %s -instcombine -S | FileCheck %s
define i32 @test1(i32 %A) {
%B = sub i32 %A, %A
ret i32 %B
; CHECK-LABEL: @test1(
; CHECK: ret i32 0
; CHECK-NEXT: ret i32 0
;
%B = sub i32 %A, %A
ret i32 %B
}
define i32 @test2(i32 %A) {
%B = sub i32 %A, 0
ret i32 %B
; CHECK-LABEL: @test2(
; CHECK: ret i32 %A
; CHECK-NEXT: ret i32 %A
;
%B = sub i32 %A, 0
ret i32 %B
}
define i32 @test3(i32 %A) {
%B = sub i32 0, %A
%C = sub i32 0, %B
ret i32 %C
; CHECK-LABEL: @test3(
; CHECK: ret i32 %A
; CHECK-NEXT: ret i32 %A
;
%B = sub i32 0, %A
%C = sub i32 0, %B
ret i32 %C
}
define i32 @test4(i32 %A, i32 %x) {
%B = sub i32 0, %A
%C = sub i32 %x, %B
ret i32 %C
; CHECK-LABEL: @test4(
; CHECK: %C = add i32 %x, %A
; CHECK: ret i32 %C
; CHECK-NEXT: [[C:%.*]] = add i32 %x, %A
; CHECK-NEXT: ret i32 [[C]]
;
%B = sub i32 0, %A
%C = sub i32 %x, %B
ret i32 %C
}
define i32 @test5(i32 %A, i32 %B, i32 %C) {
%D = sub i32 %B, %C
%E = sub i32 %A, %D
ret i32 %E
; CHECK-LABEL: @test5(
; CHECK: %D1 = sub i32 %C, %B
; CHECK: %E = add
; CHECK: ret i32 %E
; CHECK-NEXT: [[D1:%.*]] = sub i32 %C, %B
; CHECK-NEXT: [[E:%.*]] = add i32 [[D1]], %A
; CHECK-NEXT: ret i32 [[E]]
;
%D = sub i32 %B, %C
%E = sub i32 %A, %D
ret i32 %E
}
define i32 @test6(i32 %A, i32 %B) {
%C = and i32 %A, %B
%D = sub i32 %A, %C
ret i32 %D
; CHECK-LABEL: @test6(
; CHECK-NEXT: xor i32 %B, -1
; CHECK-NEXT: %D = and i32
; CHECK-NEXT: ret i32 %D
; CHECK-NEXT: [[B_NOT:%.*]] = xor i32 %B, -1
; CHECK-NEXT: [[D:%.*]] = and i32 %A, [[B_NOT]]
; CHECK-NEXT: ret i32 [[D]]
;
%C = and i32 %A, %B
%D = sub i32 %A, %C
ret i32 %D
}
define i32 @test7(i32 %A) {
%B = sub i32 -1, %A
ret i32 %B
; CHECK-LABEL: @test7(
; CHECK: %B = xor i32 %A, -1
; CHECK: ret i32 %B
; CHECK-NEXT: [[B:%.*]] = xor i32 %A, -1
; CHECK-NEXT: ret i32 [[B]]
;
%B = sub i32 -1, %A
ret i32 %B
}
define i32 @test8(i32 %A) {
%B = mul i32 9, %A
%C = sub i32 %B, %A
ret i32 %C
; CHECK-LABEL: @test8(
; CHECK: %C = shl i32 %A, 3
; CHECK: ret i32 %C
; CHECK-NEXT: [[C:%.*]] = shl i32 %A, 3
; CHECK-NEXT: ret i32 [[C]]
;
%B = mul i32 9, %A
%C = sub i32 %B, %A
ret i32 %C
}
define i32 @test9(i32 %A) {
%B = mul i32 3, %A
%C = sub i32 %A, %B
ret i32 %C
; CHECK-LABEL: @test9(
; CHECK: %C = mul i32 %A, -2
; CHECK: ret i32 %C
; CHECK-NEXT: [[C:%.*]] = mul i32 %A, -2
; CHECK-NEXT: ret i32 [[C]]
;
%B = mul i32 3, %A
%C = sub i32 %A, %B
ret i32 %C
}
define i32 @test10(i32 %A, i32 %B) {
%C = sub i32 0, %A
%D = sub i32 0, %B
%E = mul i32 %C, %D
ret i32 %E
; CHECK-LABEL: @test10(
; CHECK: %E = mul i32 %A, %B
; CHECK: ret i32 %E
; CHECK-NEXT: [[E:%.*]] = mul i32 %A, %B
; CHECK-NEXT: ret i32 [[E]]
;
%C = sub i32 0, %A
%D = sub i32 0, %B
%E = mul i32 %C, %D
ret i32 %E
}
define i32 @test10a(i32 %A) {
%C = sub i32 0, %A
%E = mul i32 %C, 7
ret i32 %E
; CHECK-LABEL: @test10a(
; CHECK: %E = mul i32 %A, -7
; CHECK: ret i32 %E
; CHECK-NEXT: [[E:%.*]] = mul i32 %A, -7
; CHECK-NEXT: ret i32 [[E]]
;
%C = sub i32 0, %A
%E = mul i32 %C, 7
ret i32 %E
}
define i1 @test11(i8 %A, i8 %B) {
@ -121,112 +133,127 @@ define <2 x i1> @test11vec(<2 x i8> %A, <2 x i8> %B) {
}
define i32 @test12(i32 %A) {
%B = ashr i32 %A, 31
%C = sub i32 0, %B
ret i32 %C
; CHECK-LABEL: @test12(
; CHECK: %C = lshr i32 %A, 31
; CHECK: ret i32 %C
; CHECK-NEXT: [[C:%.*]] = lshr i32 %A, 31
; CHECK-NEXT: ret i32 [[C]]
;
%B = ashr i32 %A, 31
%C = sub i32 0, %B
ret i32 %C
}
define i32 @test13(i32 %A) {
%B = lshr i32 %A, 31
%C = sub i32 0, %B
ret i32 %C
; CHECK-LABEL: @test13(
; CHECK: %C = ashr i32 %A, 31
; CHECK: ret i32 %C
; CHECK-NEXT: [[C:%.*]] = ashr i32 %A, 31
; CHECK-NEXT: ret i32 [[C]]
;
%B = lshr i32 %A, 31
%C = sub i32 0, %B
ret i32 %C
}
define i32 @test14(i32 %A) {
%B = lshr i32 %A, 31
%C = bitcast i32 %B to i32
%D = sub i32 0, %C
ret i32 %D
; CHECK-LABEL: @test14(
; CHECK: %D = ashr i32 %A, 31
; CHECK: ret i32 %D
; CHECK-NEXT: [[D:%.*]] = ashr i32 %A, 31
; CHECK-NEXT: ret i32 [[D]]
;
%B = lshr i32 %A, 31
%C = bitcast i32 %B to i32
%D = sub i32 0, %C
ret i32 %D
}
define i32 @test15(i32 %A, i32 %B) {
%C = sub i32 0, %A
%D = srem i32 %B, %C
ret i32 %D
; CHECK-LABEL: @test15(
; CHECK: %[[sub:.*]] = sub i32 0, %A
; CHECK-NEXT: %[[rem:.*]] = srem i32 %B, %[[sub]]
; CHECK: ret i32 %[[rem]]
; CHECK-NEXT: [[C:%.*]] = sub i32 0, %A
; CHECK-NEXT: [[D:%.*]] = srem i32 %B, [[C]]
; CHECK-NEXT: ret i32 [[D]]
;
%C = sub i32 0, %A
%D = srem i32 %B, %C
ret i32 %D
}
define i32 @test16(i32 %A) {
%X = sdiv i32 %A, 1123
%Y = sub i32 0, %X
ret i32 %Y
; CHECK-LABEL: @test16(
; CHECK: %Y = sdiv i32 %A, -1123
; CHECK: ret i32 %Y
; CHECK-NEXT: [[Y:%.*]] = sdiv i32 %A, -1123
; CHECK-NEXT: ret i32 [[Y]]
;
%X = sdiv i32 %A, 1123
%Y = sub i32 0, %X
ret i32 %Y
}
; Can't fold subtract here because negation it might oveflow.
; PR3142
define i32 @test17(i32 %A) {
%B = sub i32 0, %A
%C = sdiv i32 %B, 1234
ret i32 %C
; CHECK-LABEL: @test17(
; CHECK: %B = sub i32 0, %A
; CHECK: %C = sdiv i32 %B, 1234
; CHECK: ret i32 %C
; CHECK-NEXT: [[B:%.*]] = sub i32 0, %A
; CHECK-NEXT: [[C:%.*]] = sdiv i32 [[B]], 1234
; CHECK-NEXT: ret i32 [[C]]
;
%B = sub i32 0, %A
%C = sdiv i32 %B, 1234
ret i32 %C
}
define i64 @test18(i64 %Y) {
%tmp.4 = shl i64 %Y, 2
%tmp.12 = shl i64 %Y, 2
%tmp.8 = sub i64 %tmp.4, %tmp.12
ret i64 %tmp.8
; CHECK-LABEL: @test18(
; CHECK: ret i64 0
; CHECK-NEXT: ret i64 0
;
%tmp.4 = shl i64 %Y, 2
%tmp.12 = shl i64 %Y, 2
%tmp.8 = sub i64 %tmp.4, %tmp.12
ret i64 %tmp.8
}
define i32 @test19(i32 %X, i32 %Y) {
%Z = sub i32 %X, %Y
%Q = add i32 %Z, %Y
ret i32 %Q
; CHECK-LABEL: @test19(
; CHECK: ret i32 %X
; CHECK-NEXT: ret i32 %X
;
%Z = sub i32 %X, %Y
%Q = add i32 %Z, %Y
ret i32 %Q
}
define i1 @test20(i32 %g, i32 %h) {
%tmp.2 = sub i32 %g, %h
%tmp.4 = icmp ne i32 %tmp.2, %g
ret i1 %tmp.4
; CHECK-LABEL: @test20(
; CHECK: %tmp.4 = icmp ne i32 %h, 0
; CHECK: ret i1 %tmp.4
; CHECK-NEXT: [[TMP_4:%.*]] = icmp ne i32 %h, 0
; CHECK-NEXT: ret i1 [[TMP_4]]
;
%tmp.2 = sub i32 %g, %h
%tmp.4 = icmp ne i32 %tmp.2, %g
ret i1 %tmp.4
}
define i1 @test21(i32 %g, i32 %h) {
%tmp.2 = sub i32 %g, %h
%tmp.4 = icmp ne i32 %tmp.2, %g
ret i1 %tmp.4
; CHECK-LABEL: @test21(
; CHECK: %tmp.4 = icmp ne i32 %h, 0
; CHECK: ret i1 %tmp.4
; CHECK-NEXT: [[TMP_4:%.*]] = icmp ne i32 %h, 0
; CHECK-NEXT: ret i1 [[TMP_4]]
;
%tmp.2 = sub i32 %g, %h
%tmp.4 = icmp ne i32 %tmp.2, %g
ret i1 %tmp.4
}
; PR2298
define zeroext i1 @test22(i32 %a, i32 %b) nounwind {
%tmp2 = sub i32 0, %a
%tmp4 = sub i32 0, %b
%tmp5 = icmp eq i32 %tmp2, %tmp4
ret i1 %tmp5
; CHECK-LABEL: @test22(
; CHECK: %tmp5 = icmp eq i32 %b, %a
; CHECK: ret i1 %tmp5
; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i32 %b, %a
; CHECK-NEXT: ret i1 [[TMP5]]
;
%tmp2 = sub i32 0, %a
%tmp4 = sub i32 0, %b
%tmp5 = icmp eq i32 %tmp2, %tmp4
ret i1 %tmp5
}
; rdar://7362831
define i32 @test23(i8* %P, i64 %A){
; CHECK-LABEL: @test23(
; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 %A to i32
; CHECK-NEXT: ret i32 [[TMP1]]
;
%B = getelementptr inbounds i8, i8* %P, i64 %A
%C = ptrtoint i8* %B to i64
%D = trunc i64 %C to i32
@ -234,15 +261,13 @@ define i32 @test23(i8* %P, i64 %A){
%F = trunc i64 %E to i32
%G = sub i32 %D, %F
ret i32 %G
; CHECK-LABEL: @test23(
; CHECK-NEXT: = trunc i64 %A to i32
; CHECK-NEXT: ret i32
}
define i8 @test23_as1(i8 addrspace(1)* %P, i16 %A) {
; CHECK: @test23_as1
; CHECK-NEXT: = trunc i16 %A to i8
; CHECK-NEXT: ret i8
; CHECK-LABEL: @test23_as1(
; CHECK-NEXT: [[TMP1:%.*]] = trunc i16 %A to i8
; CHECK-NEXT: ret i8 [[TMP1]]
;
%B = getelementptr inbounds i8, i8 addrspace(1)* %P, i16 %A
%C = ptrtoint i8 addrspace(1)* %B to i16
%D = trunc i16 %C to i8
@ -253,18 +278,20 @@ define i8 @test23_as1(i8 addrspace(1)* %P, i16 %A) {
}
define i64 @test24(i8* %P, i64 %A){
; CHECK-LABEL: @test24(
; CHECK-NEXT: ret i64 %A
;
%B = getelementptr inbounds i8, i8* %P, i64 %A
%C = ptrtoint i8* %B to i64
%E = ptrtoint i8* %P to i64
%G = sub i64 %C, %E
ret i64 %G
; CHECK-LABEL: @test24(
; CHECK-NEXT: ret i64 %A
}
define i16 @test24_as1(i8 addrspace(1)* %P, i16 %A) {
; CHECK: @test24_as1
; CHECK-NEXT: ret i16 %A
; CHECK-LABEL: @test24_as1(
; CHECK-NEXT: ret i16 %A
;
%B = getelementptr inbounds i8, i8 addrspace(1)* %P, i16 %A
%C = ptrtoint i8 addrspace(1)* %B to i16
%E = ptrtoint i8 addrspace(1)* %P to i16
@ -273,20 +300,22 @@ define i16 @test24_as1(i8 addrspace(1)* %P, i16 %A) {
}
define i64 @test24a(i8* %P, i64 %A){
; CHECK-LABEL: @test24a(
; CHECK-NEXT: [[DIFF_NEG:%.*]] = sub i64 0, %A
; CHECK-NEXT: ret i64 [[DIFF_NEG]]
;
%B = getelementptr inbounds i8, i8* %P, i64 %A
%C = ptrtoint i8* %B to i64
%E = ptrtoint i8* %P to i64
%G = sub i64 %E, %C
ret i64 %G
; CHECK-LABEL: @test24a(
; CHECK-NEXT: sub i64 0, %A
; CHECK-NEXT: ret i64
}
define i16 @test24a_as1(i8 addrspace(1)* %P, i16 %A) {
; CHECK: @test24a_as1
; CHECK-NEXT: sub i16 0, %A
; CHECK-NEXT: ret i16
; CHECK-LABEL: @test24a_as1(
; CHECK-NEXT: [[DIFF_NEG:%.*]] = sub i16 0, %A
; CHECK-NEXT: ret i16 [[DIFF_NEG]]
;
%B = getelementptr inbounds i8, i8 addrspace(1)* %P, i16 %A
%C = ptrtoint i8 addrspace(1)* %B to i16
%E = ptrtoint i8 addrspace(1)* %P to i16
@ -298,35 +327,38 @@ define i16 @test24a_as1(i8 addrspace(1)* %P, i16 %A) {
@Arr = external global [42 x i16]
define i64 @test24b(i8* %P, i64 %A){
; CHECK-LABEL: @test24b(
; CHECK-NEXT: [[B_IDX:%.*]] = shl nuw i64 %A, 1
; CHECK-NEXT: ret i64 [[B_IDX]]
;
%B = getelementptr inbounds [42 x i16], [42 x i16]* @Arr, i64 0, i64 %A
%C = ptrtoint i16* %B to i64
%G = sub i64 %C, ptrtoint ([42 x i16]* @Arr to i64)
ret i64 %G
; CHECK-LABEL: @test24b(
; CHECK-NEXT: shl nuw i64 %A, 1
; CHECK-NEXT: ret i64
}
define i64 @test25(i8* %P, i64 %A){
; CHECK-LABEL: @test25(
; CHECK-NEXT: [[B_IDX:%.*]] = shl nuw i64 %A, 1
; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[B_IDX]], -84
; CHECK-NEXT: ret i64 [[TMP1]]
;
%B = getelementptr inbounds [42 x i16], [42 x i16]* @Arr, i64 0, i64 %A
%C = ptrtoint i16* %B to i64
%G = sub i64 %C, ptrtoint (i16* getelementptr ([42 x i16], [42 x i16]* @Arr, i64 1, i64 0) to i64)
ret i64 %G
; CHECK-LABEL: @test25(
; CHECK-NEXT: shl nuw i64 %A, 1
; CHECK-NEXT: add i64 {{.*}}, -84
; CHECK-NEXT: ret i64
}
@Arr_as1 = external addrspace(1) global [42 x i16]
define i16 @test25_as1(i8 addrspace(1)* %P, i64 %A) {
; CHECK: @test25_as1
; CHECK-NEXT: %1 = trunc i64 %A to i16
; CHECK-NEXT: shl nuw i16 %1, 1
; CHECK-NEXT: add i16 {{.*}}, -84
; CHECK-NEXT: ret i16
; CHECK-LABEL: @test25_as1(
; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 %A to i16
; CHECK-NEXT: [[B_IDX:%.*]] = shl nuw i16 [[TMP1]], 1
; CHECK-NEXT: [[TMP2:%.*]] = add i16 [[B_IDX]], -84
; CHECK-NEXT: ret i16 [[TMP2]]
;
%B = getelementptr inbounds [42 x i16], [42 x i16] addrspace(1)* @Arr_as1, i64 0, i64 %A
%C = ptrtoint i16 addrspace(1)* %B to i16
%G = sub i16 %C, ptrtoint (i16 addrspace(1)* getelementptr ([42 x i16], [42 x i16] addrspace(1)* @Arr_as1, i64 1, i64 0) to i16)
@ -334,48 +366,57 @@ define i16 @test25_as1(i8 addrspace(1)* %P, i64 %A) {
}
define i32 @test26(i32 %x) {
; CHECK-LABEL: @test26(
; CHECK-NEXT: [[NEG:%.*]] = shl i32 -3, %x
; CHECK-NEXT: ret i32 [[NEG]]
;
%shl = shl i32 3, %x
%neg = sub i32 0, %shl
ret i32 %neg
; CHECK-LABEL: @test26(
; CHECK-NEXT: shl i32 -3
; CHECK-NEXT: ret i32
}
define i32 @test27(i32 %x, i32 %y) {
; CHECK-LABEL: @test27(
; CHECK-NEXT: [[TMP1:%.*]] = shl i32 %y, 3
; CHECK-NEXT: [[SUB:%.*]] = add i32 [[TMP1]], %x
; CHECK-NEXT: ret i32 [[SUB]]
;
%mul = mul i32 %y, -8
%sub = sub i32 %x, %mul
ret i32 %sub
; CHECK-LABEL: @test27(
; CHECK-NEXT: shl i32 %y, 3
; CHECK-NEXT: add i32
; CHECK-NEXT: ret i32
}
define i32 @test28(i32 %x, i32 %y, i32 %z) {
; CHECK-LABEL: @test28(
; CHECK-NEXT: [[TMP1:%.*]] = mul i32 %z, %y
; CHECK-NEXT: [[SUB:%.*]] = add i32 [[TMP1]], %x
; CHECK-NEXT: ret i32 [[SUB]]
;
%neg = sub i32 0, %z
%mul = mul i32 %neg, %y
%sub = sub i32 %x, %mul
ret i32 %sub
; CHECK-LABEL: @test28(
; CHECK-NEXT: mul i32 %z, %y
; CHECK-NEXT: add i32
; CHECK-NEXT: ret i32
}
define i64 @test29(i8* %foo, i64 %i, i64 %j) {
; CHECK-LABEL: @test29(
; CHECK-NEXT: [[TMP1:%.*]] = sub i64 %i, %j
; CHECK-NEXT: ret i64 [[TMP1]]
;
%gep1 = getelementptr inbounds i8, i8* %foo, i64 %i
%gep2 = getelementptr inbounds i8, i8* %foo, i64 %j
%cast1 = ptrtoint i8* %gep1 to i64
%cast2 = ptrtoint i8* %gep2 to i64
%sub = sub i64 %cast1, %cast2
ret i64 %sub
; CHECK-LABEL: @test29(
; CHECK-NEXT: sub i64 %i, %j
; CHECK-NEXT: ret i64
}
define i64 @test30(i8* %foo, i64 %i, i64 %j) {
; CHECK-LABEL: @test30(
; CHECK-NEXT: [[GEP1_IDX:%.*]] = shl nuw i64 %i, 2
; CHECK-NEXT: [[TMP1:%.*]] = sub i64 [[GEP1_IDX]], %j
; CHECK-NEXT: ret i64 [[TMP1]]
;
%bit = bitcast i8* %foo to i32*
%gep1 = getelementptr inbounds i32, i32* %bit, i64 %i
%gep2 = getelementptr inbounds i8, i8* %foo, i64 %j
@ -383,17 +424,14 @@ define i64 @test30(i8* %foo, i64 %i, i64 %j) {
%cast2 = ptrtoint i8* %gep2 to i64
%sub = sub i64 %cast1, %cast2
ret i64 %sub
; CHECK-LABEL: @test30(
; CHECK-NEXT: %gep1.idx = shl nuw i64 %i, 2
; CHECK-NEXT: sub i64 %gep1.idx, %j
; CHECK-NEXT: ret i64
}
define i16 @test30_as1(i8 addrspace(1)* %foo, i16 %i, i16 %j) {
; CHECK-LABEL: @test30_as1(
; CHECK-NEXT: %gep1.idx = shl nuw i16 %i, 2
; CHECK-NEXT: sub i16 %gep1.idx, %j
; CHECK-NEXT: ret i16
; CHECK-NEXT: [[GEP1_IDX:%.*]] = shl nuw i16 %i, 2
; CHECK-NEXT: [[TMP1:%.*]] = sub i16 [[GEP1_IDX]], %j
; CHECK-NEXT: ret i16 [[TMP1]]
;
%bit = bitcast i8 addrspace(1)* %foo to i32 addrspace(1)*
%gep1 = getelementptr inbounds i32, i32 addrspace(1)* %bit, i16 %i
%gep2 = getelementptr inbounds i8, i8 addrspace(1)* %foo, i16 %j
@ -404,182 +442,200 @@ define i16 @test30_as1(i8 addrspace(1)* %foo, i16 %i, i16 %j) {
}
define <2 x i64> @test31(<2 x i64> %A) {
; CHECK-LABEL: @test31(
; CHECK-NEXT: [[SUB:%.*]] = add <2 x i64> %A, <i64 3, i64 4>
; CHECK-NEXT: ret <2 x i64> [[SUB]]
;
%xor = xor <2 x i64> %A, <i64 -1, i64 -1>
%sub = sub <2 x i64> <i64 2, i64 3>, %xor
ret <2 x i64> %sub
; CHECK-LABEL: @test31(
; CHECK-NEXT: %sub = add <2 x i64> %A, <i64 3, i64 4>
; CHECK-NEXT: ret <2 x i64> %sub
}
define <2 x i64> @test32(<2 x i64> %A) {
; CHECK-LABEL: @test32(
; CHECK-NEXT: [[SUB:%.*]] = sub <2 x i64> <i64 3, i64 4>, %A
; CHECK-NEXT: ret <2 x i64> [[SUB]]
;
%add = add <2 x i64> %A, <i64 -1, i64 -1>
%sub = sub <2 x i64> <i64 2, i64 3>, %add
ret <2 x i64> %sub
; CHECK-LABEL: @test32(
; CHECK-NEXT: %sub = sub <2 x i64> <i64 3, i64 4>
; CHECK-NEXT: ret <2 x i64> %sub
}
define <2 x i64> @test33(<2 x i1> %A) {
; CHECK-LABEL: @test33(
; CHECK-NEXT: [[SUB:%.*]] = sext <2 x i1> %A to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[SUB]]
;
%ext = zext <2 x i1> %A to <2 x i64>
%sub = sub <2 x i64> zeroinitializer, %ext
ret <2 x i64> %sub
; CHECK-LABEL: @test33(
; CHECK-NEXT: %sub = sext <2 x i1> %A to <2 x i64>
; CHECK-NEXT: ret <2 x i64> %sub
}
define <2 x i64> @test34(<2 x i1> %A) {
; CHECK-LABEL: @test34(
; CHECK-NEXT: [[SUB:%.*]] = zext <2 x i1> %A to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[SUB]]
;
%ext = sext <2 x i1> %A to <2 x i64>
%sub = sub <2 x i64> zeroinitializer, %ext
ret <2 x i64> %sub
; CHECK-LABEL: @test34(
; CHECK-NEXT: %sub = zext <2 x i1> %A to <2 x i64>
; CHECK-NEXT: ret <2 x i64> %sub
}
define <2 x i64> @test35(<2 x i64> %A) {
; CHECK-LABEL: @test35(
; CHECK-NEXT: [[SUB:%.*]] = mul <2 x i64> %A, <i64 -2, i64 -3>
; CHECK-NEXT: ret <2 x i64> [[SUB]]
;
%mul = mul <2 x i64> %A, <i64 3, i64 4>
%sub = sub <2 x i64> %A, %mul
ret <2 x i64> %sub
; CHECK-LABEL: @test35(
; CHECK-NEXT: %sub = mul <2 x i64> %A, <i64 -2, i64 -3>
; CHECK-NEXT: ret <2 x i64> %sub
}
define <2 x i64> @test36(<2 x i64> %A) {
; CHECK-LABEL: @test36(
; CHECK-NEXT: [[SUB:%.*]] = mul <2 x i64> %A, <i64 7, i64 15>
; CHECK-NEXT: ret <2 x i64> [[SUB]]
;
%shl = shl <2 x i64> %A, <i64 3, i64 4>
%sub = sub <2 x i64> %shl, %A
ret <2 x i64> %sub
; CHECK-LABEL: @test36(
; CHECK-NEXT: %sub = mul <2 x i64> %A, <i64 7, i64 15>
; CHECK-NEXT: ret <2 x i64> %sub
}
define <2 x i32> @test37(<2 x i32> %A) {
; CHECK-LABEL: @test37(
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i32> %A, <i32 -2147483648, i32 -2147483648>
; CHECK-NEXT: [[SUB:%.*]] = sext <2 x i1> [[TMP1]] to <2 x i32>
; CHECK-NEXT: ret <2 x i32> [[SUB]]
;
%div = sdiv <2 x i32> %A, <i32 -2147483648, i32 -2147483648>
%sub = sub nsw <2 x i32> zeroinitializer, %div
ret <2 x i32> %sub
; CHECK-LABEL: @test37(
; CHECK-NEXT: [[ICMP:%.*]] = icmp eq <2 x i32> %A, <i32 -2147483648, i32 -2147483648>
; CHECK-NEXT: [[SEXT:%.*]] = sext <2 x i1> [[ICMP]] to <2 x i32>
; CHECK-NEXT: ret <2 x i32> [[SEXT]]
}
define i32 @test38(i32 %A) {
; CHECK-LABEL: @test38(
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i32 %A, -2147483648
; CHECK-NEXT: [[SUB:%.*]] = sext i1 [[TMP1]] to i32
; CHECK-NEXT: ret i32 [[SUB]]
;
%div = sdiv i32 %A, -2147483648
%sub = sub nsw i32 0, %div
ret i32 %sub
; CHECK-LABEL: @test38(
; CHECK-NEXT: [[ICMP:%.*]] = icmp eq i32 %A, -2147483648
; CHECK-NEXT: [[SEXT:%.*]] = sext i1 [[ICMP]] to i32
; CHECK-NEXT: ret i32 [[SEXT]]
}
define i32 @test39(i32 %A, i32 %x) {
; CHECK-LABEL: @test39(
; CHECK-NEXT: [[C:%.*]] = add i32 %x, %A
; CHECK-NEXT: ret i32 [[C]]
;
%B = sub i32 0, %A
%C = sub nsw i32 %x, %B
ret i32 %C
; CHECK-LABEL: @test39(
; CHECK: %C = add i32 %x, %A
; CHECK: ret i32 %C
}
define i16 @test40(i16 %a, i16 %b) {
; CHECK-LABEL: @test40(
; CHECK-NEXT: [[ASHR:%.*]] = ashr i16 %a, 1
; CHECK-NEXT: [[ASHR1:%.*]] = ashr i16 %b, 1
; CHECK-NEXT: [[SUB:%.*]] = sub nsw i16 [[ASHR]], [[ASHR1]]
; CHECK-NEXT: ret i16 [[SUB]]
;
%ashr = ashr i16 %a, 1
%ashr1 = ashr i16 %b, 1
%sub = sub i16 %ashr, %ashr1
ret i16 %sub
; CHECK-LABEL: @test40(
; CHECK-NEXT: [[ASHR:%.*]] = ashr i16 %a, 1
; CHECK-NEXT: [[ASHR1:%.*]] = ashr i16 %b, 1
; CHECK-NEXT: [[RET:%.*]] = sub nsw i16 [[ASHR]], [[ASHR1]]
; CHECK: ret i16 [[RET]]
}
define i32 @test41(i16 %a, i16 %b) {
; CHECK-LABEL: @test41(
; CHECK-NEXT: [[CONV:%.*]] = sext i16 %a to i32
; CHECK-NEXT: [[CONV1:%.*]] = sext i16 %b to i32
; CHECK-NEXT: [[SUB:%.*]] = sub nsw i32 [[CONV]], [[CONV1]]
; CHECK-NEXT: ret i32 [[SUB]]
;
%conv = sext i16 %a to i32
%conv1 = sext i16 %b to i32
%sub = sub i32 %conv, %conv1
ret i32 %sub
; CHECK-LABEL: @test41(
; CHECK-NEXT: [[SEXT:%.*]] = sext i16 %a to i32
; CHECK-NEXT: [[SEXT1:%.*]] = sext i16 %b to i32
; CHECK-NEXT: [[RET:%.*]] = sub nsw i32 [[SEXT]], [[SEXT1]]
; CHECK: ret i32 [[RET]]
}
define i4 @test42(i4 %x, i4 %y) {
; CHECK-LABEL: @test42(
; CHECK-NEXT: [[A:%.*]] = and i4 %y, 7
; CHECK-NEXT: [[B:%.*]] = and i4 %x, 7
; CHECK-NEXT: [[C:%.*]] = sub nsw i4 [[A]], [[B]]
; CHECK-NEXT: ret i4 [[C]]
;
%a = and i4 %y, 7
%b = and i4 %x, 7
%c = sub i4 %a, %b
ret i4 %c
; CHECK-LABEL: @test42(
; CHECK-NEXT: [[AND:%.*]] = and i4 %y, 7
; CHECK-NEXT: [[AND1:%.*]] = and i4 %x, 7
; CHECK-NEXT: [[RET:%.*]] = sub nsw i4 [[AND]], [[AND1]]
; CHECK: ret i4 [[RET]]
}
define i4 @test43(i4 %x, i4 %y) {
; CHECK-LABEL: @test43(
; CHECK-NEXT: [[A:%.*]] = or i4 %x, -8
; CHECK-NEXT: [[B:%.*]] = and i4 %y, 7
; CHECK-NEXT: [[C:%.*]] = sub nuw i4 [[A]], [[B]]
; CHECK-NEXT: ret i4 [[C]]
;
%a = or i4 %x, -8
%b = and i4 %y, 7
%c = sub i4 %a, %b
ret i4 %c
; CHECK-LABEL: @test43(
; CHECK-NEXT: [[OR:%.*]] = or i4 %x, -8
; CHECK-NEXT: [[AND:%.*]] = and i4 %y, 7
; CHECK-NEXT: [[RET:%.*]] = sub nuw i4 [[OR]], [[AND]]
; CHECK: ret i4 [[RET]]
}
define i32 @test44(i32 %x) {
; CHECK-LABEL: @test44(
; CHECK-NEXT: [[SUB:%.*]] = add nsw i32 %x, -32768
; CHECK-NEXT: ret i32 [[SUB]]
;
%sub = sub nsw i32 %x, 32768
ret i32 %sub
; CHECK-LABEL: @test44(
; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 %x, -32768
; CHECK: ret i32 [[ADD]]
}
define i32 @test45(i32 %x, i32 %y) {
; CHECK-LABEL: @test45(
; CHECK-NEXT: [[SUB:%.*]] = and i32 %x, %y
; CHECK-NEXT: ret i32 [[SUB]]
;
%or = or i32 %x, %y
%xor = xor i32 %x, %y
%sub = sub i32 %or, %xor
ret i32 %sub
; CHECK-LABEL: @test45(
; CHECK-NEXT: %sub = and i32 %x, %y
; CHECK: ret i32 %sub
}
define i32 @test46(i32 %x, i32 %y) {
%or = or i32 %x, %y
%sub = sub i32 %or, %x
ret i32 %sub
; CHECK-LABEL: @test46(
; CHECK-NEXT: %x.not = xor i32 %x, -1
; CHECK-NEXT: %sub = and i32 %y, %x.not
; CHECK: ret i32 %sub
; CHECK-NEXT: [[X_NOT:%.*]] = xor i32 %x, -1
; CHECK-NEXT: [[SUB:%.*]] = and i32 %y, [[X_NOT]]
; CHECK-NEXT: ret i32 [[SUB]]
;
%or = or i32 %x, %y
%sub = sub i32 %or, %x
ret i32 %sub
}
define i32 @test47(i1 %A, i32 %B, i32 %C, i32 %D) {
; CHECK-LABEL: @test47(
; CHECK-NEXT: [[TMP1:%.*]] = sub i32 %D, %C
; CHECK-NEXT: [[SUB:%.*]] = select i1 %A, i32 [[TMP1]], i32 0
; CHECK-NEXT: ret i32 [[SUB]]
;
%sel0 = select i1 %A, i32 %D, i32 %B
%sel1 = select i1 %A, i32 %C, i32 %B
%sub = sub i32 %sel0, %sel1
ret i32 %sub
; CHECK-LABEL: @test47(
; CHECK-NEXT: %[[sub:.*]] = sub i32 %D, %C
; CHECK-NEXT: %[[sel:.*]] = select i1 %A, i32 %[[sub]], i32 0
; CHECK-NEXT: ret i32 %[[sel]]
}
define i32 @test48(i1 %A, i32 %B, i32 %C, i32 %D) {
; CHECK-LABEL: @test48(
; CHECK-NEXT: [[TMP1:%.*]] = sub i32 %D, %C
; CHECK-NEXT: [[SUB:%.*]] = select i1 %A, i32 0, i32 [[TMP1]]
; CHECK-NEXT: ret i32 [[SUB]]
;
%sel0 = select i1 %A, i32 %B, i32 %D
%sel1 = select i1 %A, i32 %B, i32 %C
%sub = sub i32 %sel0, %sel1
ret i32 %sub
; CHECK-LABEL: @test48(
; CHECK-NEXT: %[[sub:.*]] = sub i32 %D, %C
; CHECK-NEXT: %[[sel:.*]] = select i1 %A, i32 0, i32 %[[sub]]
; CHECK-NEXT: ret i32 %[[sel]]
}