define i1 @foo1_and(i32 %k, i32 %c1, i32 %c2) {
; CHECK-LABEL: @foo1_and(
; CHECK-NEXT: [[T:%.*]] = shl i32 1, [[C1:%.*]]
-; CHECK-NEXT: [[T4:%.*]] = lshr i32 -2147483648, [[C2:%.*]]
+; CHECK-NEXT: [[T4:%.*]] = shl i32 1, [[C2:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = or i32 [[T]], [[T4]]
; CHECK-NEXT: [[TMP2:%.*]] = and i32 [[TMP1]], [[K:%.*]]
; CHECK-NEXT: [[TMP3:%.*]] = icmp ne i32 [[TMP2]], [[TMP1]]
; CHECK-NEXT: ret i1 [[TMP3]]
;
%t = shl i32 1, %c1
- %t4 = lshr i32 -2147483648, %c2
+ %t4 = shl i32 1, %c2
%t1 = and i32 %t, %k
%t2 = icmp eq i32 %t1, 0
%t5 = and i32 %t4, %k
; CHECK-LABEL: @foo1_and_commuted(
; CHECK-NEXT: [[K2:%.*]] = mul i32 [[K:%.*]], [[K]]
; CHECK-NEXT: [[T:%.*]] = shl i32 1, [[C1:%.*]]
-; CHECK-NEXT: [[T4:%.*]] = lshr i32 -2147483648, [[C2:%.*]]
+; CHECK-NEXT: [[T4:%.*]] = shl i32 1, [[C2:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = or i32 [[T]], [[T4]]
; CHECK-NEXT: [[TMP2:%.*]] = and i32 [[K2]], [[TMP1]]
; CHECK-NEXT: [[TMP3:%.*]] = icmp ne i32 [[TMP2]], [[TMP1]]
;
%k2 = mul i32 %k, %k ; to trick the complexity sorting
%t = shl i32 1, %c1
- %t4 = lshr i32 -2147483648, %c2
+ %t4 = shl i32 1, %c2
%t1 = and i32 %k2, %t
%t2 = icmp eq i32 %t1, 0
%t5 = and i32 %t4, %k2
define i1 @foo1_or(i32 %k, i32 %c1, i32 %c2) {
; CHECK-LABEL: @foo1_or(
; CHECK-NEXT: [[T:%.*]] = shl i32 1, [[C1:%.*]]
-; CHECK-NEXT: [[T4:%.*]] = lshr i32 -2147483648, [[C2:%.*]]
+; CHECK-NEXT: [[T4:%.*]] = shl i32 1, [[C2:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = or i32 [[T]], [[T4]]
; CHECK-NEXT: [[TMP2:%.*]] = and i32 [[TMP1]], [[K:%.*]]
; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[TMP2]], [[TMP1]]
; CHECK-NEXT: ret i1 [[TMP3]]
;
%t = shl i32 1, %c1
- %t4 = lshr i32 -2147483648, %c2
+ %t4 = shl i32 1, %c2
%t1 = and i32 %t, %k
%t2 = icmp ne i32 %t1, 0
%t5 = and i32 %t4, %k
; CHECK-LABEL: @foo1_or_commuted(
; CHECK-NEXT: [[K2:%.*]] = mul i32 [[K:%.*]], [[K]]
; CHECK-NEXT: [[T:%.*]] = shl i32 1, [[C1:%.*]]
-; CHECK-NEXT: [[T4:%.*]] = lshr i32 -2147483648, [[C2:%.*]]
+; CHECK-NEXT: [[T4:%.*]] = shl i32 1, [[C2:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = or i32 [[T]], [[T4]]
; CHECK-NEXT: [[TMP2:%.*]] = and i32 [[K2]], [[TMP1]]
; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[TMP2]], [[TMP1]]
;
%k2 = mul i32 %k, %k ; to trick the complexity sorting
%t = shl i32 1, %c1
- %t4 = lshr i32 -2147483648, %c2
+ %t4 = shl i32 1, %c2
%t1 = and i32 %k2, %t
%t2 = icmp ne i32 %t1, 0
%t5 = and i32 %t4, %k2
%or = and i1 %t2, %t6
ret i1 %or
}
+
+define i1 @foo1_and_signbit_lshr(i32 %k, i32 %c1, i32 %c2) {
+; CHECK-LABEL: @foo1_and_signbit_lshr(
+; CHECK-NEXT: [[T:%.*]] = shl i32 1, [[C1:%.*]]
+; CHECK-NEXT: [[T4:%.*]] = lshr i32 -2147483648, [[C2:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = or i32 [[T]], [[T4]]
+; CHECK-NEXT: [[TMP2:%.*]] = and i32 [[TMP1]], [[K:%.*]]
+; CHECK-NEXT: [[TMP3:%.*]] = icmp ne i32 [[TMP2]], [[TMP1]]
+; CHECK-NEXT: ret i1 [[TMP3]]
+;
+ %t = shl i32 1, %c1
+ %t4 = lshr i32 -2147483648, %c2
+ %t1 = and i32 %t, %k
+ %t2 = icmp eq i32 %t1, 0
+ %t5 = and i32 %t4, %k
+ %t6 = icmp eq i32 %t5, 0
+ %or = or i1 %t2, %t6
+ ret i1 %or
+}
+
+define i1 @foo1_or_signbit_lshr(i32 %k, i32 %c1, i32 %c2) {
+; CHECK-LABEL: @foo1_or_signbit_lshr(
+; CHECK-NEXT: [[T:%.*]] = shl i32 1, [[C1:%.*]]
+; CHECK-NEXT: [[T4:%.*]] = lshr i32 -2147483648, [[C2:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = or i32 [[T]], [[T4]]
+; CHECK-NEXT: [[TMP2:%.*]] = and i32 [[TMP1]], [[K:%.*]]
+; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[TMP2]], [[TMP1]]
+; CHECK-NEXT: ret i1 [[TMP3]]
+;
+ %t = shl i32 1, %c1
+ %t4 = lshr i32 -2147483648, %c2
+ %t1 = and i32 %t, %k
+ %t2 = icmp ne i32 %t1, 0
+ %t5 = and i32 %t4, %k
+ %t6 = icmp ne i32 %t5, 0
+ %or = and i1 %t2, %t6
+ ret i1 %or
+}