}
if (SPF1 == SPF2) {
- if (ConstantInt *CB = dyn_cast<ConstantInt>(B)) {
- if (ConstantInt *CC = dyn_cast<ConstantInt>(C)) {
- const APInt &ACB = CB->getValue();
- const APInt &ACC = CC->getValue();
-
- // MIN(MIN(A, 23), 97) -> MIN(A, 23)
- // MAX(MAX(A, 97), 23) -> MAX(A, 97)
- if ((SPF1 == SPF_UMIN && ACB.ule(ACC)) ||
- (SPF1 == SPF_SMIN && ACB.sle(ACC)) ||
- (SPF1 == SPF_UMAX && ACB.uge(ACC)) ||
- (SPF1 == SPF_SMAX && ACB.sge(ACC)))
- return replaceInstUsesWith(Outer, Inner);
-
- // MIN(MIN(A, 97), 23) -> MIN(A, 23)
- // MAX(MAX(A, 23), 97) -> MAX(A, 97)
- if ((SPF1 == SPF_UMIN && ACB.ugt(ACC)) ||
- (SPF1 == SPF_SMIN && ACB.sgt(ACC)) ||
- (SPF1 == SPF_UMAX && ACB.ult(ACC)) ||
- (SPF1 == SPF_SMAX && ACB.slt(ACC))) {
- Outer.replaceUsesOfWith(Inner, A);
- return &Outer;
- }
+ const APInt *CB, *CC;
+ if (match(B, m_APInt(CB)) && match(C, m_APInt(CC))) {
+ // MIN(MIN(A, 23), 97) -> MIN(A, 23)
+ // MAX(MAX(A, 97), 23) -> MAX(A, 97)
+ if ((SPF1 == SPF_UMIN && CB->ule(*CC)) ||
+ (SPF1 == SPF_SMIN && CB->sle(*CC)) ||
+ (SPF1 == SPF_UMAX && CB->uge(*CC)) ||
+ (SPF1 == SPF_SMAX && CB->sge(*CC)))
+ return replaceInstUsesWith(Outer, Inner);
+
+ // MIN(MIN(A, 97), 23) -> MIN(A, 23)
+ // MAX(MAX(A, 23), 97) -> MAX(A, 97)
+ if ((SPF1 == SPF_UMIN && CB->ugt(*CC)) ||
+ (SPF1 == SPF_SMIN && CB->sgt(*CC)) ||
+ (SPF1 == SPF_UMAX && CB->ult(*CC)) ||
+ (SPF1 == SPF_SMAX && CB->slt(*CC))) {
+ Outer.replaceUsesOfWith(Inner, A);
+ return &Outer;
}
}
}
ret i32 %retval
}
-; FIXME - vector neglect
define <2 x i32> @test68vec(<2 x i32> %x) {
; CHECK-LABEL: @test68vec(
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <2 x i32> %x, <i32 11, i32 11>
; CHECK-NEXT: [[COND:%.*]] = select <2 x i1> [[CMP]], <2 x i32> <i32 11, i32 11>, <2 x i32> %x
-; CHECK-NEXT: [[CMP3:%.*]] = icmp sgt <2 x i32> [[COND]], <i32 92, i32 92>
-; CHECK-NEXT: [[RETVAL:%.*]] = select <2 x i1> [[CMP3]], <2 x i32> <i32 92, i32 92>, <2 x i32> [[COND]]
-; CHECK-NEXT: ret <2 x i32> [[RETVAL]]
+; CHECK-NEXT: ret <2 x i32> [[COND]]
;
%cmp = icmp slt <2 x i32> <i32 11, i32 11>, %x
%cond = select <2 x i1> %cmp, <2 x i32> <i32 11, i32 11>, <2 x i32> %x
ret i32 %retval
}
-; FIXME - vector neglect
+; FIXME - vector neglect: FoldOrOfICmps()
+
define <2 x i32> @test72vec(<2 x i32> %x) {
; CHECK-LABEL: @test72vec(
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <2 x i32> %x, <i32 92, i32 92>
-; CHECK-NEXT: [[COND:%.*]] = select <2 x i1> [[CMP]], <2 x i32> <i32 92, i32 92>, <2 x i32> %x
-; CHECK-NEXT: [[CMP3:%.*]] = icmp sgt <2 x i32> [[COND]], <i32 11, i32 11>
-; CHECK-NEXT: [[RETVAL:%.*]] = select <2 x i1> [[CMP3]], <2 x i32> <i32 11, i32 11>, <2 x i32> [[COND]]
+; CHECK-NEXT: [[CMP31:%.*]] = icmp sgt <2 x i32> %x, <i32 11, i32 11>
+; CHECK-NEXT: [[CMP3:%.*]] = or <2 x i1> [[CMP]], [[CMP31:%.*]]
+; CHECK-NEXT: [[RETVAL:%.*]] = select <2 x i1> [[CMP3]], <2 x i32> <i32 11, i32 11>, <2 x i32> %x
; CHECK-NEXT: ret <2 x i32> [[RETVAL]]
;
%cmp = icmp sgt <2 x i32> %x, <i32 92, i32 92>