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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s
declare void @use(i1)
define i1 @test_uge_temporary_indices_decompose(i8 %start, i8 %n, i8 %idx) {
; CHECK-LABEL: @test_uge_temporary_indices_decompose(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP_PRE:%.*]] = icmp ult i8 [[IDX:%.*]], [[N:%.*]]
; CHECK-NEXT: [[START_ADD_IDX:%.*]] = add nuw nsw i8 [[START:%.*]], [[IDX]]
; CHECK-NEXT: [[START_ADD_N:%.*]] = add nuw nsw i8 [[START]], [[N]]
; CHECK-NEXT: [[START_ADD_1:%.*]] = add nuw nsw i8 [[START]], 1
; CHECK-NEXT: br i1 [[CMP_PRE]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: [[T_0:%.*]] = icmp ult i8 [[START_ADD_IDX]], [[START_ADD_N]]
; CHECK-NEXT: [[F_0:%.*]] = icmp uge i8 [[START_ADD_IDX]], [[START_ADD_N]]
; CHECK-NEXT: [[R_1:%.*]] = xor i1 true, false
; CHECK-NEXT: [[C_1:%.*]] = icmp ult i8 [[START_ADD_1]], [[START_ADD_N]]
; CHECK-NEXT: [[R_2:%.*]] = xor i1 [[R_1]], [[C_1]]
; CHECK-NEXT: [[C_2:%.*]] = icmp ult i8 [[START_ADD_IDX]], [[START_ADD_1]]
; CHECK-NEXT: [[R_3:%.*]] = xor i1 [[R_2]], [[C_2]]
; CHECK-NEXT: ret i1 [[R_3]]
; CHECK: if.end:
; CHECK-NEXT: [[F_1:%.*]] = icmp ult i8 [[START_ADD_IDX]], [[START_ADD_N]]
; CHECK-NEXT: [[T_1:%.*]] = icmp uge i8 [[START_ADD_IDX]], [[START_ADD_N]]
; CHECK-NEXT: [[R_4:%.*]] = xor i1 false, true
; CHECK-NEXT: [[C_3:%.*]] = icmp ult i8 [[START_ADD_1]], [[START_ADD_N]]
; CHECK-NEXT: [[R_5:%.*]] = xor i1 [[R_4]], [[C_3]]
; CHECK-NEXT: [[C_4:%.*]] = icmp ult i8 [[START_ADD_IDX]], [[START_ADD_1]]
; CHECK-NEXT: [[R_6:%.*]] = xor i1 [[R_5]], [[C_4]]
; CHECK-NEXT: ret i1 [[R_6]]
;
entry:
%cmp.pre = icmp ult i8 %idx, %n
%start.add.idx = add nuw nsw i8 %start, %idx
%start.add.n = add nuw nsw i8 %start, %n
%start.add.1 = add nuw nsw i8 %start, 1
br i1 %cmp.pre, label %if.then, label %if.end
if.then: ; preds = %entry
%t.0 = icmp ult i8 %start.add.idx, %start.add.n
%f.0 = icmp uge i8 %start.add.idx, %start.add.n
%r.1 = xor i1 %t.0, %f.0
%c.1 = icmp ult i8 %start.add.1, %start.add.n
%r.2 = xor i1 %r.1, %c.1
%c.2 = icmp ult i8 %start.add.idx, %start.add.1
%r.3 = xor i1 %r.2, %c.2
ret i1 %r.3
if.end: ; preds = %entry
%f.1 = icmp ult i8 %start.add.idx, %start.add.n
%t.1 = icmp uge i8 %start.add.idx, %start.add.n
%r.4 = xor i1 %f.1, %t.1
%c.3 = icmp ult i8 %start.add.1, %start.add.n
%r.5 = xor i1 %r.4, %c.3
%c.4 = icmp ult i8 %start.add.idx, %start.add.1
%r.6 = xor i1 %r.5, %c.4
ret i1 %r.6
}
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