150 lines
4.6 KiB
LLVM
150 lines
4.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -constraint-elimination -S %s | FileCheck %s
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declare void @use(i1)
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define i1 @test_and_ule(i4 %x, i4 %y, i4 %z, i4 %a) {
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; CHECK-LABEL: @test_and_ule(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C_1:%.*]] = icmp ule i4 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[C_2:%.*]] = icmp ule i4 [[Y]], [[Z:%.*]]
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; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
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; CHECK-NEXT: br i1 [[AND]], label [[BB1:%.*]], label [[EXIT:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[T_1:%.*]] = icmp ule i4 [[X]], [[Z]]
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; CHECK-NEXT: [[T_2:%.*]] = icmp ule i4 [[X]], [[Y]]
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; CHECK-NEXT: [[R_1:%.*]] = xor i1 true, true
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; CHECK-NEXT: [[T_3:%.*]] = icmp ule i4 [[Y]], [[Z]]
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; CHECK-NEXT: [[R_2:%.*]] = xor i1 [[R_1]], true
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; CHECK-NEXT: [[C_3:%.*]] = icmp ule i4 [[X]], [[A:%.*]]
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; CHECK-NEXT: [[R_3:%.*]] = xor i1 [[R_2]], [[C_3]]
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; CHECK-NEXT: ret i1 [[R_3]]
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; CHECK: exit:
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; CHECK-NEXT: [[C_4:%.*]] = icmp ule i4 [[X]], [[Z]]
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; CHECK-NEXT: [[C_5:%.*]] = icmp ule i4 [[X]], [[A]]
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; CHECK-NEXT: [[R_4:%.*]] = xor i1 [[C_4]], [[C_5]]
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; CHECK-NEXT: [[C_6:%.*]] = icmp ule i4 [[X]], [[Y]]
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; CHECK-NEXT: [[R_5:%.*]] = xor i1 [[R_4]], [[C_6]]
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; CHECK-NEXT: [[C_7:%.*]] = icmp ule i4 [[Y]], [[Z]]
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; CHECK-NEXT: [[R_6:%.*]] = xor i1 [[R_5]], [[C_7]]
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; CHECK-NEXT: ret i1 [[R_6]]
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;
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entry:
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%c.1 = icmp ule i4 %x, %y
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%c.2 = icmp ule i4 %y, %z
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%and = and i1 %c.1, %c.2
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br i1 %and, label %bb1, label %exit
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bb1:
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%t.1 = icmp ule i4 %x, %z
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%t.2 = icmp ule i4 %x, %y
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%r.1 = xor i1 %t.1, %t.2
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%t.3 = icmp ule i4 %y, %z
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%r.2 = xor i1 %r.1, %t.3
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%c.3 = icmp ule i4 %x, %a
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%r.3 = xor i1 %r.2, %c.3
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ret i1 %r.3
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exit:
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%c.4 = icmp ule i4 %x, %z
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%c.5 = icmp ule i4 %x, %a
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%r.4 = xor i1 %c.4, %c.5
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%c.6 = icmp ule i4 %x, %y
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%r.5 = xor i1 %r.4, %c.6
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%c.7 = icmp ule i4 %y, %z
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%r.6 = xor i1 %r.5, %c.7
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ret i1 %r.6
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}
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; The result of test_and_ule and test_and_select_ule should be same
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define i1 @test_and_select_ule(i4 %x, i4 %y, i4 %z, i4 %a) {
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; CHECK-LABEL: @test_and_select_ule(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C_1:%.*]] = icmp ule i4 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[C_2:%.*]] = icmp ule i4 [[Y]], [[Z:%.*]]
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; CHECK-NEXT: [[AND:%.*]] = select i1 [[C_1]], i1 [[C_2]], i1 false
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; CHECK-NEXT: br i1 [[AND]], label [[BB1:%.*]], label [[EXIT:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[T_1:%.*]] = icmp ule i4 [[X]], [[Z]]
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; CHECK-NEXT: [[T_2:%.*]] = icmp ule i4 [[X]], [[Y]]
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; CHECK-NEXT: [[R_1:%.*]] = xor i1 true, true
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; CHECK-NEXT: [[T_3:%.*]] = icmp ule i4 [[Y]], [[Z]]
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; CHECK-NEXT: [[R_2:%.*]] = xor i1 [[R_1]], true
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; CHECK-NEXT: [[C_3:%.*]] = icmp ule i4 [[X]], [[A:%.*]]
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; CHECK-NEXT: [[R_3:%.*]] = xor i1 [[R_2]], [[C_3]]
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; CHECK-NEXT: ret i1 [[R_3]]
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; CHECK: exit:
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; CHECK-NEXT: [[C_4:%.*]] = icmp ule i4 [[X]], [[Z]]
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; CHECK-NEXT: [[C_5:%.*]] = icmp ule i4 [[X]], [[A]]
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; CHECK-NEXT: [[R_4:%.*]] = xor i1 [[C_4]], [[C_5]]
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; CHECK-NEXT: [[C_6:%.*]] = icmp ule i4 [[X]], [[Y]]
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; CHECK-NEXT: [[R_5:%.*]] = xor i1 [[R_4]], [[C_6]]
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; CHECK-NEXT: [[C_7:%.*]] = icmp ule i4 [[Y]], [[Z]]
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; CHECK-NEXT: [[R_6:%.*]] = xor i1 [[R_5]], [[C_7]]
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; CHECK-NEXT: ret i1 [[R_6]]
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;
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entry:
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%c.1 = icmp ule i4 %x, %y
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%c.2 = icmp ule i4 %y, %z
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%and = select i1 %c.1, i1 %c.2, i1 false
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br i1 %and, label %bb1, label %exit
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bb1:
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%t.1 = icmp ule i4 %x, %z
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%t.2 = icmp ule i4 %x, %y
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%r.1 = xor i1 %t.1, %t.2
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%t.3 = icmp ule i4 %y, %z
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%r.2 = xor i1 %r.1, %t.3
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%c.3 = icmp ule i4 %x, %a
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%r.3 = xor i1 %r.2, %c.3
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ret i1 %r.3
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exit:
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%c.4 = icmp ule i4 %x, %z
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%c.5 = icmp ule i4 %x, %a
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%r.4 = xor i1 %c.4, %c.5
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%c.6 = icmp ule i4 %x, %y
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%r.5 = xor i1 %r.4, %c.6
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%c.7 = icmp ule i4 %y, %z
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%r.6 = xor i1 %r.5, %c.7
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ret i1 %r.6
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}
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define i4 @and_compare_undef(i4 %N, i4 %step) {
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; CHECK-LABEL: @and_compare_undef(
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; CHECK-NEXT: step.check:
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; CHECK-NEXT: [[STEP_POS:%.*]] = icmp uge i4 [[STEP:%.*]], 0
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; CHECK-NEXT: [[B1:%.*]] = add i4 undef, -1
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; CHECK-NEXT: [[STEP_ULT_N:%.*]] = icmp ult i4 [[B1]], [[N:%.*]]
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; CHECK-NEXT: [[AND_STEP:%.*]] = and i1 [[STEP_POS]], [[STEP_ULT_N]]
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; CHECK-NEXT: br i1 [[AND_STEP]], label [[PTR_CHECK:%.*]], label [[EXIT:%.*]]
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; CHECK: ptr.check:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: ret i4 3
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;
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step.check:
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%step.pos = icmp uge i4 %step, 0
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%B1 = add i4 undef, -1
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%step.ult.N = icmp ult i4 %B1, %N
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%and.step = and i1 %step.pos, %step.ult.N
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br i1 %and.step, label %ptr.check, label %exit
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ptr.check:
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br label %exit
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exit:
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ret i4 3
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}
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