ret i16 %c2
}
-; icmp sgt i32 %a, -1
; rdar://6480391
define i1 @test36(i32 %a) {
; CHECK-LABEL: @test36(
ret i1 %d
}
-; ret i1 false
+; FIXME: Vectors should fold too.
+define <2 x i1> @test36vec(<2 x i32> %a) {
+; CHECK-LABEL: @test36vec(
+; CHECK-NEXT: [[B:%.*]] = lshr <2 x i32> %a, <i32 31, i32 31>
+; CHECK-NEXT: [[C:%.*]] = trunc <2 x i32> [[B]] to <2 x i8>
+; CHECK-NEXT: [[D:%.*]] = icmp eq <2 x i8> [[C]], zeroinitializer
+; CHECK-NEXT: ret <2 x i1> [[D]]
+;
+ %b = lshr <2 x i32> %a, <i32 31, i32 31>
+ %c = trunc <2 x i32> %b to <2 x i8>
+ %d = icmp eq <2 x i8> %c, zeroinitializer
+ ret <2 x i1> %d
+}
+
define i1 @test37(i32 %a) {
; CHECK-LABEL: @test37(
; CHECK-NEXT: ret i1 false
%c = icmp slt i32 %signum.trunc, 1
ret i1 %c
}
+
+; FIXME: Vectors should fold too.
+define <2 x i1> @test4c_vec(<2 x i64> %a) {
+; CHECK-LABEL: @test4c_vec(
+; CHECK-NEXT: [[L:%.*]] = ashr <2 x i64> %a, <i64 63, i64 63>
+; CHECK-NEXT: [[NA:%.*]] = sub <2 x i64> zeroinitializer, %a
+; CHECK-NEXT: [[R:%.*]] = lshr <2 x i64> [[NA]], <i64 63, i64 63>
+; CHECK-NEXT: [[SIGNUM:%.*]] = or <2 x i64> [[L]], [[R]]
+; CHECK-NEXT: [[SIGNUM_TRUNC:%.*]] = trunc <2 x i64> [[SIGNUM]] to <2 x i32>
+; CHECK-NEXT: [[C:%.*]] = icmp slt <2 x i32> [[SIGNUM_TRUNC]], <i32 1, i32 1>
+; CHECK-NEXT: ret <2 x i1> [[C]]
+;
+ %l = ashr <2 x i64> %a, <i64 63, i64 63>
+ %na = sub <2 x i64> zeroinitializer, %a
+ %r = lshr <2 x i64> %na, <i64 63, i64 63>
+ %signum = or <2 x i64> %l, %r
+ %signum.trunc = trunc <2 x i64> %signum to <2 x i32>
+ %c = icmp slt <2 x i32> %signum.trunc, <i32 1, i32 1>
+ ret <2 x i1> %c
+}
+