%V = icmp eq <2 x i64> %x, undef
ret <2 x i1> %V
; CHECK: @test5
-; CHECK: ret <2 x i1> undef
+; CHECK: ret <2 x i1> <i1 true, i1 true>
}
define i32 @test6(i32 %a, i32 %b) {
; CHECK: ret i1 true
}
+; PR6195
+define i1 @test12(i1 %A) {
+ %S = select i1 %A, i64 -4294967295, i64 8589934591
+ %B = icmp ne i64 bitcast (<2 x i32> <i32 1, i32 -1> to i64), %S
+ ret i1 %B
+; CHECK: @test12
+; CHECK-NEXT: %B = select i1
+; CHECK-NEXT: ret i1 %B
+}
+
+; PR6481
+define i1 @test13(i8 %X) nounwind readnone {
+entry:
+ %cmp = icmp slt i8 undef, %X
+ ret i1 %cmp
+; CHECK: @test13
+; CHECK: ret i1 false
+}
+
+define i1 @test14(i8 %X) nounwind readnone {
+entry:
+ %cmp = icmp slt i8 undef, -128
+ ret i1 %cmp
+; CHECK: @test14
+; CHECK: ret i1 false
+}
+
+define i1 @test15() nounwind readnone {
+entry:
+ %cmp = icmp eq i8 undef, -128
+ ret i1 %cmp
+; CHECK: @test15
+; CHECK: ret i1 undef
+}
+
+define i1 @test16() nounwind readnone {
+entry:
+ %cmp = icmp ne i8 undef, -128
+ ret i1 %cmp
+; CHECK: @test16
+; CHECK: ret i1 undef
+}
+
+define i1 @test17(i32 %x) nounwind {
+ %shl = shl i32 1, %x
+ %and = and i32 %shl, 8
+ %cmp = icmp eq i32 %and, 0
+ ret i1 %cmp
+; CHECK: @test17
+; CHECK-NEXT: %cmp = icmp ne i32 %x, 3
+}
+
+
+define i1 @test18(i32 %x) nounwind {
+ %sh = lshr i32 8, %x
+ %and = and i32 %sh, 1
+ %cmp = icmp eq i32 %and, 0
+ ret i1 %cmp
+; CHECK: @test18
+; CHECK-NEXT: %cmp = icmp ne i32 %x, 3
+}
+
+define i1 @test19(i32 %x) nounwind {
+ %shl = shl i32 1, %x
+ %and = and i32 %shl, 8
+ %cmp = icmp eq i32 %and, 8
+ ret i1 %cmp
+; CHECK: @test19
+; CHECK-NEXT: %cmp = icmp eq i32 %x, 3
+}
+
+define i1 @test20(i32 %x) nounwind {
+ %shl = shl i32 1, %x
+ %and = and i32 %shl, 8
+ %cmp = icmp ne i32 %and, 0
+ ret i1 %cmp
+; CHECK: @test20
+; CHECK-NEXT: %cmp = icmp eq i32 %x, 3
+}
+
+define i1 @test21(i8 %x, i8 %y) {
+; CHECK: @test21
+; CHECK-NOT: or i8
+; CHECK: icmp ugt
+ %A = or i8 %x, 1
+ %B = icmp ugt i8 %A, 3
+ ret i1 %B
+}
+
+define i1 @test22(i8 %x, i8 %y) {
+; CHECK: @test22
+; CHECK-NOT: or i8
+; CHECK: icmp ult
+ %A = or i8 %x, 1
+ %B = icmp ult i8 %A, 4
+ ret i1 %B
+}
+
+; PR2740
+; CHECK: @test23
+; CHECK: icmp sgt i32 %x, 1328634634
+define i1 @test23(i32 %x) nounwind {
+ %i3 = sdiv i32 %x, -1328634635
+ %i4 = icmp eq i32 %i3, -1
+ ret i1 %i4
+}