12 changes: 6 additions & 6 deletions llvm/test/Transforms/InstCombine/icmp-topbitssame.ll
View file
Original file line number Diff line number Diff line change
Expand Up @@ -35,8 +35,8 @@ define i1 @testi16i8_com(i16 %add) {

define i1 @testi16i8_ne(i16 %add) {
; CHECK-LABEL: @testi16i8_ne(
; CHECK-NEXT: [[TMP1:%.*]] = add i16 [[ADD:%.*]], 128
; CHECK-NEXT: [[CMP_NOT_I:%.*]] = icmp ugt i16 [[TMP1]], 255
; CHECK-NEXT: [[TMP1:%.*]] = add i16 [[ADD:%.*]], -128
; CHECK-NEXT: [[CMP_NOT_I:%.*]] = icmp ult i16 [[TMP1]], -256
; CHECK-NEXT: ret i1 [[CMP_NOT_I]]
;
%sh = lshr i16 %add, 8
Expand All @@ -49,8 +49,8 @@ define i1 @testi16i8_ne(i16 %add) {

define i1 @testi16i8_ne_com(i16 %add) {
; CHECK-LABEL: @testi16i8_ne_com(
; CHECK-NEXT: [[TMP1:%.*]] = add i16 [[ADD:%.*]], 128
; CHECK-NEXT: [[CMP_NOT_I:%.*]] = icmp ugt i16 [[TMP1]], 255
; CHECK-NEXT: [[TMP1:%.*]] = add i16 [[ADD:%.*]], -128
; CHECK-NEXT: [[CMP_NOT_I:%.*]] = icmp ult i16 [[TMP1]], -256
; CHECK-NEXT: ret i1 [[CMP_NOT_I]]
;
%sh = lshr i16 %add, 8
Expand All @@ -77,8 +77,8 @@ define i1 @testi64i32(i64 %add) {

define i1 @testi64i32_ne(i64 %add) {
; CHECK-LABEL: @testi64i32_ne(
; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[ADD:%.*]], 2147483648
; CHECK-NEXT: [[CMP_NOT_I:%.*]] = icmp ugt i64 [[TMP1]], 4294967295
; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[ADD:%.*]], -2147483648
; CHECK-NEXT: [[CMP_NOT_I:%.*]] = icmp ult i64 [[TMP1]], -4294967296
; CHECK-NEXT: ret i1 [[CMP_NOT_I]]
;
%sh = lshr i64 %add, 32
Expand Down
4 changes: 2 additions & 2 deletions llvm/test/Transforms/InstCombine/load-cmp.ll
View file
Original file line number Diff line number Diff line change
Expand Up @@ -145,8 +145,8 @@ define i1 @test6(i32 %X) {

define i1 @test7(i32 %X) {
; CHECK-LABEL: @test7(
; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[X:%.*]], -1
; CHECK-NEXT: [[R:%.*]] = icmp ugt i32 [[TMP1]], 2
; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[X:%.*]], -4
; CHECK-NEXT: [[R:%.*]] = icmp ult i32 [[TMP1]], -3
; CHECK-NEXT: ret i1 [[R]]
;
%P = getelementptr inbounds [6 x double], [6 x double]* @GD, i32 0, i32 %X
Expand Down
4 changes: 4 additions & 0 deletions llvm/test/Transforms/InstCombine/minmax-fold.ll
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1120,6 +1120,10 @@ define i32 @add_umax_wrong_pred(i32 %x) {

; Negative test

; Without the nuw that would allow pushing the add through the umax, the
; add + icmp ugt combination can be interpreted as a range check, and would
; normally be canonicalized to use ult instead. However, this is not done when
; used as part of a umax to avoid breaking the SPF pattern.
define i32 @add_umax_wrong_wrap(i32 %x) {
; CHECK-LABEL: @add_umax_wrong_wrap(
; CHECK-NEXT: [[A:%.*]] = add nsw i32 [[X:%.*]], 15
Expand Down
12 changes: 6 additions & 6 deletions llvm/test/Transforms/InstCombine/or.ll
View file
Original file line number Diff line number Diff line change
Expand Up @@ -99,9 +99,9 @@ define i32 @test17(i32 %A) {

define i1 @test18(i32 %A) {
; CHECK-LABEL: @test18(
; CHECK-NEXT: [[A_OFF:%.*]] = add i32 [[A:%.*]], -50
; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i32 [[A_OFF]], 49
; CHECK-NEXT: ret i1 [[TMP1]]
; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], -100
; CHECK-NEXT: [[TMP2:%.*]] = icmp ult i32 [[TMP1]], -50
; CHECK-NEXT: ret i1 [[TMP2]]
;
%B = icmp sge i32 %A, 100
%C = icmp slt i32 %A, 50
Expand All @@ -111,9 +111,9 @@ define i1 @test18(i32 %A) {

define i1 @test18_logical(i32 %A) {
; CHECK-LABEL: @test18_logical(
; CHECK-NEXT: [[A_OFF:%.*]] = add i32 [[A:%.*]], -50
; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i32 [[A_OFF]], 49
; CHECK-NEXT: ret i1 [[TMP1]]
; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], -100
; CHECK-NEXT: [[TMP2:%.*]] = icmp ult i32 [[TMP1]], -50
; CHECK-NEXT: ret i1 [[TMP2]]
;
%B = icmp sge i32 %A, 100
%C = icmp slt i32 %A, 50
Expand Down
22 changes: 11 additions & 11 deletions llvm/test/Transforms/InstCombine/overflow.ll
View file
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ define i32 @test1(i32 %a, i32 %b) nounwind ssp {
; CHECK-NEXT: [[TMP0:%.*]] = extractvalue { i32, i1 } [[SADD]], 1
; CHECK-NEXT: br i1 [[TMP0]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: tail call void @throwAnExceptionOrWhatever() #2
; CHECK-NEXT: tail call void @throwAnExceptionOrWhatever() #[[ATTR2:[0-9]+]]
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: [[SADD_RESULT:%.*]] = extractvalue { i32, i1 } [[SADD]], 0
Expand Down Expand Up @@ -49,7 +49,7 @@ define i32 @test2(i32 %a, i32 %b, i64* %P) nounwind ssp {
; CHECK-NEXT: [[TMP0:%.*]] = icmp ugt i64 [[ADD_OFF]], 4294967295
; CHECK-NEXT: br i1 [[TMP0]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: tail call void @throwAnExceptionOrWhatever() #2
; CHECK-NEXT: tail call void @throwAnExceptionOrWhatever() #[[ATTR2]]
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: [[CONV9:%.*]] = trunc i64 [[ADD]] to i32
Expand Down Expand Up @@ -82,11 +82,11 @@ define i64 @test3(i32 %a, i32 %b) nounwind ssp {
; CHECK-NEXT: [[CONV:%.*]] = sext i32 [[A:%.*]] to i64
; CHECK-NEXT: [[CONV2:%.*]] = sext i32 [[B:%.*]] to i64
; CHECK-NEXT: [[ADD:%.*]] = add nsw i64 [[CONV2]], [[CONV]]
; CHECK-NEXT: [[ADD_OFF:%.*]] = add nsw i64 [[ADD]], 2147483648
; CHECK-NEXT: [[TMP0:%.*]] = icmp ugt i64 [[ADD_OFF]], 4294967295
; CHECK-NEXT: br i1 [[TMP0]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK-NEXT: [[TMP0:%.*]] = add nsw i64 [[ADD]], -2147483648
; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i64 [[TMP0]], -4294967296
; CHECK-NEXT: br i1 [[TMP1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: tail call void @throwAnExceptionOrWhatever() #2
; CHECK-NEXT: tail call void @throwAnExceptionOrWhatever() #[[ATTR2]]
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: ret i64 [[ADD]]
Expand Down Expand Up @@ -116,7 +116,7 @@ define zeroext i8 @test4(i8 signext %a, i8 signext %b) nounwind ssp {
; CHECK-NEXT: [[CMP:%.*]] = extractvalue { i8, i1 } [[SADD]], 1
; CHECK-NEXT: br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: tail call void @throwAnExceptionOrWhatever() #2
; CHECK-NEXT: tail call void @throwAnExceptionOrWhatever() #[[ATTR2]]
; CHECK-NEXT: unreachable
; CHECK: if.end:
; CHECK-NEXT: [[SADD_RESULT:%.*]] = extractvalue { i8, i1 } [[SADD]], 0
Expand Down Expand Up @@ -146,11 +146,11 @@ define i32 @test8(i64 %a, i64 %b) nounwind ssp {
; CHECK-LABEL: @test8(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD:%.*]] = add i64 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[ADD_OFF:%.*]] = add i64 [[ADD]], 2147483648
; CHECK-NEXT: [[TMP0:%.*]] = icmp ugt i64 [[ADD_OFF]], 4294967295
; CHECK-NEXT: br i1 [[TMP0]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[ADD]], -2147483648
; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i64 [[TMP0]], -4294967296
; CHECK-NEXT: br i1 [[TMP1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: tail call void @throwAnExceptionOrWhatever() #2
; CHECK-NEXT: tail call void @throwAnExceptionOrWhatever() #[[ATTR2]]
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: [[CONV9:%.*]] = trunc i64 [[ADD]] to i32
Expand Down
12 changes: 6 additions & 6 deletions llvm/test/Transforms/InstCombine/smulo.ll
View file
Original file line number Diff line number Diff line change
Expand Up @@ -46,8 +46,8 @@ define i1 @test_constant2(i8 %a) {

define i1 @test_constant3(i8 %a) {
; CHECK-LABEL: @test_constant3(
; CHECK-NEXT: [[TMP1:%.*]] = add i8 [[A:%.*]], 42
; CHECK-NEXT: [[OVERFLOW:%.*]] = icmp ugt i8 [[TMP1]], 84
; CHECK-NEXT: [[TMP1:%.*]] = add i8 [[A:%.*]], -43
; CHECK-NEXT: [[OVERFLOW:%.*]] = icmp ult i8 [[TMP1]], -85
; CHECK-NEXT: ret i1 [[OVERFLOW]]
;
%res = tail call { i8, i1 } @llvm.smul.with.overflow.i8(i8 %a, i8 3)
Expand All @@ -57,8 +57,8 @@ define i1 @test_constant3(i8 %a) {

define i1 @test_constant4(i8 %a) {
; CHECK-LABEL: @test_constant4(
; CHECK-NEXT: [[TMP1:%.*]] = add i8 [[A:%.*]], 32
; CHECK-NEXT: [[OVERFLOW:%.*]] = icmp ugt i8 [[TMP1]], 63
; CHECK-NEXT: [[TMP1:%.*]] = add i8 [[A:%.*]], -32
; CHECK-NEXT: [[OVERFLOW:%.*]] = icmp ult i8 [[TMP1]], -64
; CHECK-NEXT: ret i1 [[OVERFLOW]]
;
%res = tail call { i8, i1 } @llvm.smul.with.overflow.i8(i8 %a, i8 4)
Expand All @@ -69,8 +69,8 @@ define i1 @test_constant4(i8 %a) {

define i1 @test_constant127(i8 %a) {
; CHECK-LABEL: @test_constant127(
; CHECK-NEXT: [[TMP1:%.*]] = add i8 [[A:%.*]], 1
; CHECK-NEXT: [[OVERFLOW:%.*]] = icmp ugt i8 [[TMP1]], 2
; CHECK-NEXT: [[TMP1:%.*]] = add i8 [[A:%.*]], -2
; CHECK-NEXT: [[OVERFLOW:%.*]] = icmp ult i8 [[TMP1]], -3
; CHECK-NEXT: ret i1 [[OVERFLOW]]
;
%res = tail call { i8, i1 } @llvm.smul.with.overflow.i8(i8 %a, i8 127)
Expand Down