[InstructionSimplify] Precommit more tests for D89317. NFC.

This commit is contained in:
Sjoerd Meijer 2020-10-21 10:02:04 +01:00
parent f6a5699c6c
commit 782b8f0d38
1 changed files with 140 additions and 3 deletions

View File

@ -1765,7 +1765,7 @@ define i1 @cmp_through_addrspacecast(i32 addrspace(1)* %p1) {
; Test simplifications for: icmp (X+Y), (X+Z) -> icmp Y,Z
; Test the overflow check when the RHS has NSW set and constant Z is greater
; or equal than Y, then we know X+Y also can't overflow.
; than Y, then we know X+Y also can't overflow.
define i1 @icmp_nsw_1(i32 %V) {
; CHECK-LABEL: @icmp_nsw_1(
@ -1797,6 +1797,130 @@ define i1 @icmp_nsw_2(i32 %V) {
ret i1 %cmp
}
define i1 @icmp_nsw_22(i32 %V) {
; CHECK-LABEL: @icmp_nsw_22(
; CHECK-NEXT: ret i1 true
;
%add5 = add nsw i32 %V, 5
%add6 = add nsw i32 %V, 6
%cmp = icmp slt i32 %add5, %add6
ret i1 %cmp
}
define i1 @icmp_nsw_23(i32 %V) {
; CHECK-LABEL: @icmp_nsw_23(
; CHECK-NEXT: [[ADD5:%.*]] = add nsw i32 [[V:%.*]], 5
; CHECK-NEXT: [[ADD6:%.*]] = add i32 [[V]], 6
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[ADD5]], [[ADD6]]
; CHECK-NEXT: ret i1 [[CMP]]
;
%add5 = add nsw i32 %V, 5
%add6 = add i32 %V, 6
%cmp = icmp slt i32 %add5, %add6
ret i1 %cmp
}
define i1 @icmp_nsw_false(i32 %V) {
; CHECK-LABEL: @icmp_nsw_false(
; CHECK-NEXT: [[ADD5:%.*]] = add nsw i32 [[V:%.*]], 6
; CHECK-NEXT: [[ADD6:%.*]] = add i32 [[V]], 5
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[ADD5]], [[ADD6]]
; CHECK-NEXT: ret i1 [[CMP]]
;
%add5 = add nsw i32 %V, 6
%add6 = add i32 %V, 5
%cmp = icmp slt i32 %add5, %add6
ret i1 %cmp
}
define i1 @icmp_nsw_false_2(i32 %V) {
; CHECK-LABEL: @icmp_nsw_false_2(
; CHECK-NEXT: ret i1 false
;
%add5 = add nsw i32 %V, 6
%add6 = add nsw i32 %V, 5
%cmp = icmp slt i32 %add5, %add6
ret i1 %cmp
}
define i1 @icmp_nsw_false_3(i32 %V) {
; CHECK-LABEL: @icmp_nsw_false_3(
; CHECK-NEXT: [[ADD5:%.*]] = add nsw i32 [[V:%.*]], 5
; CHECK-NEXT: [[ADD6:%.*]] = add i32 [[V]], 5
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[ADD5]], [[ADD6]]
; CHECK-NEXT: ret i1 [[CMP]]
;
%add5 = add nsw i32 %V, 5
%add6 = add i32 %V, 5
%cmp = icmp slt i32 %add5, %add6
ret i1 %cmp
}
define i1 @icmp_nsw_false_4(i32 %V) {
; CHECK-LABEL: @icmp_nsw_false_4(
; CHECK-NEXT: [[ADD5:%.*]] = add i32 [[V:%.*]], 6
; CHECK-NEXT: [[ADD6:%.*]] = add nsw i32 [[V]], 5
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[ADD5]], [[ADD6]]
; CHECK-NEXT: ret i1 [[CMP]]
;
%add5 = add i32 %V, 6
%add6 = add nsw i32 %V, 5
%cmp = icmp slt i32 %add5, %add6
ret i1 %cmp
}
define i1 @icmp_nsw_i8(i8 %V) {
; CHECK-LABEL: @icmp_nsw_i8(
; CHECK-NEXT: [[ADD5:%.*]] = add i8 [[V:%.*]], 5
; CHECK-NEXT: [[ADD6:%.*]] = add nsw i8 [[V]], 6
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[ADD5]], [[ADD6]]
; CHECK-NEXT: ret i1 [[CMP]]
;
%add5 = add i8 %V, 5
%add6 = add nsw i8 %V, 6
%cmp = icmp slt i8 %add5, %add6
ret i1 %cmp
}
define i1 @icmp_nsw_i16(i16 %V) {
; CHECK-LABEL: @icmp_nsw_i16(
; CHECK-NEXT: [[ADD5:%.*]] = add i16 [[V:%.*]], 5
; CHECK-NEXT: [[ADD6:%.*]] = add nsw i16 [[V]], 6
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i16 [[ADD5]], [[ADD6]]
; CHECK-NEXT: ret i1 [[CMP]]
;
%add5 = add i16 %V, 5
%add6 = add nsw i16 %V, 6
%cmp = icmp slt i16 %add5, %add6
ret i1 %cmp
}
define i1 @icmp_nsw_i64(i64 %V) {
; CHECK-LABEL: @icmp_nsw_i64(
; CHECK-NEXT: [[ADD5:%.*]] = add i64 [[V:%.*]], 5
; CHECK-NEXT: [[ADD6:%.*]] = add nsw i64 [[V]], 6
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i64 [[ADD5]], [[ADD6]]
; CHECK-NEXT: ret i1 [[CMP]]
;
%add5 = add i64 %V, 5
%add6 = add nsw i64 %V, 6
%cmp = icmp slt i64 %add5, %add6
ret i1 %cmp
}
define <4 x i1> @icmp_nsw_vec(<4 x i32> %V) {
; CHECK-LABEL: @icmp_nsw_vec(
; CHECK-NEXT: [[ADD5:%.*]] = add <4 x i32> [[V:%.*]], <i32 5, i32 5, i32 5, i32 5>
; CHECK-NEXT: [[ADD6:%.*]] = add nsw <4 x i32> [[V]], <i32 6, i32 6, i32 6, i32 6>
; CHECK-NEXT: [[CMP:%.*]] = icmp slt <4 x i32> [[ADD5]], [[ADD6]]
; CHECK-NEXT: ret <4 x i1> [[CMP]]
;
%add5 = add <4 x i32> %V, <i32 5, i32 5, i32 5, i32 5>
%add6 = add nsw <4 x i32> %V, <i32 6, i32 6, i32 6, i32 6>
%cmp = icmp slt <4 x i32> %add5, %add6
ret <4 x i1> %cmp
}
define i1 @icmp_nsw_3(i32 %V) {
; CHECK-LABEL: @icmp_nsw_3(
; CHECK-NEXT: [[ADD5:%.*]] = add i32 [[V:%.*]], 5
@ -1878,14 +2002,27 @@ define i1 @icmp_nsw_9(i32 %V1, i32 %V2) {
define i1 @icmp_nsw_10(i32 %V) {
; CHECK-LABEL: @icmp_nsw_10(
; CHECK-NEXT: [[ADD5:%.*]] = add i32 [[V:%.*]], 5
; CHECK-NEXT: [[ADD6:%.*]] = add nsw i32 [[V]], 5
; CHECK-NEXT: [[ADD6:%.*]] = add nsw i32 [[V]], 6
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[ADD6]], [[ADD5]]
; CHECK-NEXT: ret i1 [[CMP]]
;
%add5 = add i32 %V, 5
%add6 = add nsw i32 %V, 5
%add6 = add nsw i32 %V, 6
%cmp = icmp sgt i32 %add6, %add5
ret i1 %cmp
}
define i1 @icmp_nsw_11(i32 %V) {
; CHECK-LABEL: @icmp_nsw_11(
; CHECK-NEXT: [[ADD5:%.*]] = add i32 [[V:%.*]], -125
; CHECK-NEXT: [[ADD6:%.*]] = add nsw i32 [[V]], -99
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[ADD5]], [[ADD6]]
; CHECK-NEXT: ret i1 [[CMP]]
;
%add5 = add i32 %V, -125
%add6 = add nsw i32 %V, -99
%cmp = icmp slt i32 %add5, %add6
ret i1 %cmp
}
attributes #0 = { null_pointer_is_valid }