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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -constraint-elimination -S %s | FileCheck %s
declare void @use(i1)
define void @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: call void @use(i1 true)
; CHECK-NEXT: [[F_0:%.*]] = icmp uge i8 [[START_ADD_IDX]], [[START_ADD_N]]
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: [[C_1:%.*]] = icmp ult i8 [[START_ADD_1]], [[START_ADD_N]]
; CHECK-NEXT: call void @use(i1 [[C_1]])
; CHECK-NEXT: [[C_2:%.*]] = icmp ult i8 [[START_ADD_IDX]], [[START_ADD_1]]
; CHECK-NEXT: call void @use(i1 [[C_2]])
; CHECK-NEXT: ret void
; CHECK: if.end:
; CHECK-NEXT: [[F_1:%.*]] = icmp ult i8 [[START_ADD_IDX]], [[START_ADD_N]]
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: [[T_1:%.*]] = icmp uge i8 [[START_ADD_IDX]], [[START_ADD_N]]
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[C_3:%.*]] = icmp ult i8 [[START_ADD_1]], [[START_ADD_N]]
; CHECK-NEXT: call void @use(i1 [[C_3]])
; CHECK-NEXT: [[C_4:%.*]] = icmp ult i8 [[START_ADD_IDX]], [[START_ADD_1]]
; CHECK-NEXT: call void @use(i1 [[C_4]])
; CHECK-NEXT: ret void
;
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
call void @use(i1 %t.0)
%f.0 = icmp uge i8 %start.add.idx, %start.add.n
call void @use(i1 %f.0)
%c.1 = icmp ult i8 %start.add.1, %start.add.n
call void @use(i1 %c.1)
%c.2 = icmp ult i8 %start.add.idx, %start.add.1
call void @use(i1 %c.2)
ret void
if.end: ; preds = %entry
%f.1 = icmp ult i8 %start.add.idx, %start.add.n
call void @use(i1 %f.1)
%t.1 = icmp uge i8 %start.add.idx, %start.add.n
call void @use(i1 %t.1)
%c.3 = icmp ult i8 %start.add.1, %start.add.n
call void @use(i1 %c.3)
%c.4 = icmp ult i8 %start.add.idx, %start.add.1
call void @use(i1 %c.4)
ret void
}
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