151 lines
5.2 KiB
LLVM
151 lines
5.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instcombine-unsafe-select-transform=0 -instcombine -S | FileCheck %s
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define i1 @cond_eq_and(i8 %X, i8 %Y, i8 noundef %C) {
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; CHECK-LABEL: @cond_eq_and(
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; CHECK-NEXT: [[COND:%.*]] = icmp eq i8 [[X:%.*]], [[C:%.*]]
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; CHECK-NEXT: [[LHS:%.*]] = icmp ult i8 [[X]], [[Y:%.*]]
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; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND]], i1 [[LHS]], i1 false
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%cond = icmp eq i8 %X, %C
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%lhs = icmp ult i8 %X, %Y
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%res = select i1 %cond, i1 %lhs, i1 false
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ret i1 %res
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}
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define i1 @cond_eq_and_const(i8 %X, i8 %Y) {
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; CHECK-LABEL: @cond_eq_and_const(
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; CHECK-NEXT: [[COND:%.*]] = icmp eq i8 [[X:%.*]], 10
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; CHECK-NEXT: [[LHS:%.*]] = icmp ugt i8 [[Y:%.*]], 10
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; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND]], i1 [[LHS]], i1 false
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%cond = icmp eq i8 %X, 10
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%lhs = icmp ult i8 %X, %Y
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%res = select i1 %cond, i1 %lhs, i1 false
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ret i1 %res
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}
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define i1 @cond_eq_or(i8 %X, i8 %Y, i8 noundef %C) {
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; CHECK-LABEL: @cond_eq_or(
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; CHECK-NEXT: [[COND:%.*]] = icmp ne i8 [[X:%.*]], [[C:%.*]]
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; CHECK-NEXT: [[LHS:%.*]] = icmp ult i8 [[X]], [[Y:%.*]]
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; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND]], i1 true, i1 [[LHS]]
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%cond = icmp ne i8 %X, %C
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%lhs = icmp ult i8 %X, %Y
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%res = select i1 %cond, i1 true, i1 %lhs
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ret i1 %res
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}
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define i1 @cond_eq_or_const(i8 %X, i8 %Y) {
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; CHECK-LABEL: @cond_eq_or_const(
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; CHECK-NEXT: [[COND:%.*]] = icmp ne i8 [[X:%.*]], 10
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; CHECK-NEXT: [[LHS:%.*]] = icmp ugt i8 [[Y:%.*]], 10
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; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND]], i1 true, i1 [[LHS]]
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%cond = icmp ne i8 %X, 10
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%lhs = icmp ult i8 %X, %Y
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%res = select i1 %cond, i1 true, i1 %lhs
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ret i1 %res
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}
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define i1 @merge_and(i1 %X, i1 %Y) {
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; CHECK-LABEL: @merge_and(
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; CHECK-NEXT: [[C:%.*]] = select i1 [[X:%.*]], i1 [[Y:%.*]], i1 false
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = select i1 %X, i1 %Y, i1 false
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%res = and i1 %X, %c
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ret i1 %res
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}
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define i1 @merge_or(i1 %X, i1 %Y) {
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; CHECK-LABEL: @merge_or(
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; CHECK-NEXT: [[C:%.*]] = select i1 [[X:%.*]], i1 true, i1 [[Y:%.*]]
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = select i1 %X, i1 true, i1 %Y
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%res = or i1 %X, %c
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ret i1 %res
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}
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define i1 @xor_and(i1 %c, i32 %X, i32 %Y) {
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; CHECK-LABEL: @xor_and(
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; CHECK-NEXT: [[COMP:%.*]] = icmp uge i32 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[NOT_C:%.*]] = xor i1 [[C:%.*]], true
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[NOT_C]], i1 true, i1 [[COMP]]
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; CHECK-NEXT: ret i1 [[SEL]]
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;
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%comp = icmp ult i32 %X, %Y
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%sel = select i1 %c, i1 %comp, i1 false
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%res = xor i1 %sel, true
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ret i1 %res
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}
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define <2 x i1> @xor_and2(<2 x i1> %c, <2 x i32> %X, <2 x i32> %Y) {
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; CHECK-LABEL: @xor_and2(
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; CHECK-NEXT: [[COMP:%.*]] = icmp uge <2 x i32> [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[C:%.*]], <2 x i1> [[COMP]], <2 x i1> <i1 false, i1 true>
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; CHECK-NEXT: ret <2 x i1> [[SEL]]
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;
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%comp = icmp ult <2 x i32> %X, %Y
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%sel = select <2 x i1> %c, <2 x i1> %comp, <2 x i1> <i1 true, i1 false>
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%res = xor <2 x i1> %sel, <i1 true, i1 true>
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ret <2 x i1> %res
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}
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@glb = global i8 0
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define <2 x i1> @xor_and3(<2 x i1> %c, <2 x i32> %X, <2 x i32> %Y) {
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; CHECK-LABEL: @xor_and3(
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; CHECK-NEXT: [[COMP:%.*]] = icmp uge <2 x i32> [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[C:%.*]], <2 x i1> [[COMP]], <2 x i1> <i1 icmp ne (i8* inttoptr (i64 1234 to i8*), i8* @glb), i1 true>
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; CHECK-NEXT: ret <2 x i1> [[SEL]]
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;
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%comp = icmp ult <2 x i32> %X, %Y
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%sel = select <2 x i1> %c, <2 x i1> %comp, <2 x i1> <i1 icmp eq (i8* @glb, i8* inttoptr (i64 1234 to i8*)), i1 false>
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%res = xor <2 x i1> %sel, <i1 true, i1 true>
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ret <2 x i1> %res
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}
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define i1 @xor_or(i1 %c, i32 %X, i32 %Y) {
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; CHECK-LABEL: @xor_or(
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; CHECK-NEXT: [[COMP:%.*]] = icmp uge i32 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[NOT_C:%.*]] = xor i1 [[C:%.*]], true
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[NOT_C]], i1 [[COMP]], i1 false
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; CHECK-NEXT: ret i1 [[SEL]]
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;
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%comp = icmp ult i32 %X, %Y
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%sel = select i1 %c, i1 true, i1 %comp
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%res = xor i1 %sel, true
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ret i1 %res
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}
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define <2 x i1> @xor_or2(<2 x i1> %c, <2 x i32> %X, <2 x i32> %Y) {
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; CHECK-LABEL: @xor_or2(
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; CHECK-NEXT: [[COMP:%.*]] = icmp uge <2 x i32> [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[C:%.*]], <2 x i1> <i1 false, i1 true>, <2 x i1> [[COMP]]
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; CHECK-NEXT: ret <2 x i1> [[SEL]]
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;
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%comp = icmp ult <2 x i32> %X, %Y
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%sel = select <2 x i1> %c, <2 x i1> <i1 true, i1 false>, <2 x i1> %comp
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%res = xor <2 x i1> %sel, <i1 true, i1 true>
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ret <2 x i1> %res
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}
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define <2 x i1> @xor_or3(<2 x i1> %c, <2 x i32> %X, <2 x i32> %Y) {
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; CHECK-LABEL: @xor_or3(
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; CHECK-NEXT: [[COMP:%.*]] = icmp uge <2 x i32> [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[C:%.*]], <2 x i1> <i1 icmp ne (i8* inttoptr (i64 1234 to i8*), i8* @glb), i1 true>, <2 x i1> [[COMP]]
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; CHECK-NEXT: ret <2 x i1> [[SEL]]
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;
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%comp = icmp ult <2 x i32> %X, %Y
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%sel = select <2 x i1> %c, <2 x i1> <i1 icmp eq (i8* @glb, i8* inttoptr (i64 1234 to i8*)), i1 false>, <2 x i1> %comp
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%res = xor <2 x i1> %sel, <i1 true, i1 true>
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ret <2 x i1> %res
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}
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