forked from OSchip/llvm-project
[ConstraintElimination] Add tests with cmps with constant ops only.
Add extra test coverage for conditions with constant ops.
This commit is contained in:
Florian Hahn
parent
c97436f8b6
commit
68df5c5c13
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s
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define i1 @test_ult() {
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; CHECK-LABEL: @test_ult(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[T_0:%.*]] = icmp ult i8 10, 11
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; CHECK-NEXT: [[F_0:%.*]] = icmp ult i8 10, 10
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; CHECK-NEXT: [[RES_1:%.*]] = xor i1 [[T_0]], [[F_0]]
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; CHECK-NEXT: [[F_1:%.*]] = icmp ult i8 10, 9
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; CHECK-NEXT: [[RES_2:%.*]] = xor i1 [[RES_1]], [[F_1]]
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; CHECK-NEXT: [[T_1:%.*]] = icmp ult i8 10, -10
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; CHECK-NEXT: [[RES_3:%.*]] = xor i1 [[RES_2]], [[T_1]]
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; CHECK-NEXT: ret i1 [[RES_3]]
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;
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entry:
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%t.0 = icmp ult i8 10, 11
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%f.0 = icmp ult i8 10, 10
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%res.1 = xor i1 %t.0, %f.0
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%f.1 = icmp ult i8 10, 9
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%res.2 = xor i1 %res.1, %f.1
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%t.1 = icmp ult i8 10, -10
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%res.3 = xor i1 %res.2, %t.1
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ret i1 %res.3
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}
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; Test cases where lhs - rhs results in constant offset.
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define i1 @test_ult_gep_1(ptr %base) {
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; CHECK-LABEL: @test_ult_gep_1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr inbounds i8, ptr [[BASE:%.*]], i8 1
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; CHECK-NEXT: [[T_0:%.*]] = icmp ult ptr [[BASE]], [[GEP_1]]
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; CHECK-NEXT: [[GEP_0:%.*]] = getelementptr inbounds i8, ptr [[BASE]], i8 0
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; CHECK-NEXT: [[F_0:%.*]] = icmp ult ptr [[BASE]], [[GEP_0]]
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; CHECK-NEXT: [[RES_1:%.*]] = xor i1 true, false
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; CHECK-NEXT: [[F_1:%.*]] = icmp ult ptr [[GEP_1]], [[BASE]]
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; CHECK-NEXT: [[RES_2:%.*]] = xor i1 [[RES_1]], false
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; CHECK-NEXT: ret i1 [[RES_2]]
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;
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entry:
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%gep.1 = getelementptr inbounds i8, ptr %base, i8 1
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%t.0 = icmp ult ptr %base, %gep.1
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%gep.0 = getelementptr inbounds i8, ptr %base, i8 0
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%f.0 = icmp ult ptr %base, %gep.0
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%res.1 = xor i1 %t.0, %f.0
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%f.1 = icmp ult ptr %gep.1, %base
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%res.2 = xor i1 %res.1, %f.1
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ret i1 %res.2
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}
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define i1 @test_ult_gep_2(ptr %base) {
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; CHECK-LABEL: @test_ult_gep_2(
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; CHECK-NEXT: [[GEP_SUB_1:%.*]] = getelementptr inbounds i8, ptr [[BASE:%.*]], i8 -1
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; CHECK-NEXT: [[C_1:%.*]] = icmp ult ptr [[BASE]], [[GEP_SUB_1]]
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; CHECK-NEXT: ret i1 [[C_1]]
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;
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%gep.sub.1 = getelementptr inbounds i8, ptr %base, i8 -1
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%c.1 = icmp ult ptr %base, %gep.sub.1
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ret i1 %c.1
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}
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define i1 @test_ult_gep_3(ptr %base) {
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; CHECK-LABEL: @test_ult_gep_3(
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; CHECK-NEXT: [[GEP_1_NOINBOUNDS:%.*]] = getelementptr i8, ptr [[BASE:%.*]], i8 1
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; CHECK-NEXT: [[C_1:%.*]] = icmp ult ptr [[BASE]], [[GEP_1_NOINBOUNDS]]
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; CHECK-NEXT: ret i1 [[C_1]]
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;
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%gep.1.noinbounds = getelementptr i8, ptr %base, i8 1
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%c.1 = icmp ult ptr %base, %gep.1.noinbounds
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ret i1 %c.1
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}
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define i1 @test_slt() {
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; CHECK-LABEL: @test_slt(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[T_0:%.*]] = icmp ult i8 10, 11
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; CHECK-NEXT: [[F_0:%.*]] = icmp ult i8 10, 10
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; CHECK-NEXT: [[RES_1:%.*]] = xor i1 [[T_0]], [[F_0]]
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; CHECK-NEXT: [[F_1:%.*]] = icmp ult i8 10, 9
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; CHECK-NEXT: [[RES_2:%.*]] = xor i1 [[RES_1]], [[F_1]]
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; CHECK-NEXT: [[F_2:%.*]] = icmp ult i8 10, -10
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; CHECK-NEXT: [[RES_3:%.*]] = xor i1 [[RES_2]], [[F_2]]
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; CHECK-NEXT: ret i1 [[RES_3]]
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;
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entry:
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%t.0 = icmp ult i8 10, 11
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%f.0 = icmp ult i8 10, 10
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%res.1 = xor i1 %t.0, %f.0
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%f.1 = icmp ult i8 10, 9
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%res.2 = xor i1 %res.1, %f.1
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%f.2 = icmp ult i8 10, -10
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%res.3 = xor i1 %res.2, %f.2
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ret i1 %res.3
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}
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; Test cases where lhs - rhs results in constant offset.
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define i1 @test_slt_gep_1(ptr %base) {
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; CHECK-LABEL: @test_slt_gep_1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr inbounds i8, ptr [[BASE:%.*]], i8 1
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; CHECK-NEXT: [[T_0:%.*]] = icmp slt ptr [[BASE]], [[GEP_1]]
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; CHECK-NEXT: [[GEP_0:%.*]] = getelementptr inbounds i8, ptr [[BASE]], i8 0
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; CHECK-NEXT: [[F_0:%.*]] = icmp slt ptr [[BASE]], [[GEP_0]]
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; CHECK-NEXT: [[RES_1:%.*]] = xor i1 [[T_0]], false
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; CHECK-NEXT: [[C_1:%.*]] = icmp slt ptr [[GEP_1]], [[BASE]]
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; CHECK-NEXT: [[RES_2:%.*]] = xor i1 [[RES_1]], [[C_1]]
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; CHECK-NEXT: ret i1 [[RES_2]]
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;
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entry:
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%gep.1 = getelementptr inbounds i8, ptr %base, i8 1
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%t.0 = icmp slt ptr %base, %gep.1
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%gep.0 = getelementptr inbounds i8, ptr %base, i8 0
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%f.0 = icmp slt ptr %base, %gep.0
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%res.1 = xor i1 %t.0, %f.0
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%c.1 = icmp slt ptr %gep.1, %base
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%res.2 = xor i1 %res.1, %c.1
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ret i1 %res.2
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}
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define i1 @test_slt_gep_2(ptr %base) {
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; CHECK-LABEL: @test_slt_gep_2(
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; CHECK-NEXT: [[GEP_SUB_1:%.*]] = getelementptr inbounds i8, ptr [[BASE:%.*]], i8 -1
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; CHECK-NEXT: [[C_1:%.*]] = icmp slt ptr [[BASE]], [[GEP_SUB_1]]
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; CHECK-NEXT: ret i1 [[C_1]]
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;
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%gep.sub.1 = getelementptr inbounds i8, ptr %base, i8 -1
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%c.1 = icmp slt ptr %base, %gep.sub.1
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ret i1 %c.1
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}
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define i1 @test_slt_gep_3(ptr %base) {
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; CHECK-LABEL: @test_slt_gep_3(
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; CHECK-NEXT: [[GEP_1_NOINBOUNDS:%.*]] = getelementptr i8, ptr [[BASE:%.*]], i8 1
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; CHECK-NEXT: [[C_1:%.*]] = icmp slt ptr [[BASE]], [[GEP_1_NOINBOUNDS]]
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; CHECK-NEXT: ret i1 [[C_1]]
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;
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%gep.1.noinbounds = getelementptr i8, ptr %base, i8 1
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%c.1 = icmp slt ptr %base, %gep.1.noinbounds
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ret i1 %c.1
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}
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define i1 @test_eq() {
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; CHECK-LABEL: @test_eq(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[F_0:%.*]] = icmp eq i8 10, 11
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; CHECK-NEXT: [[T_0:%.*]] = icmp eq i8 10, 10
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; CHECK-NEXT: [[RES_1:%.*]] = xor i1 [[T_0]], [[F_0]]
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; CHECK-NEXT: [[F_1:%.*]] = icmp eq i8 10, 9
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; CHECK-NEXT: [[RES_2:%.*]] = xor i1 [[RES_1]], [[F_1]]
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; CHECK-NEXT: ret i1 [[RES_2]]
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;
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entry:
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%f.0 = icmp eq i8 10, 11
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%t.0 = icmp eq i8 10, 10
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%res.1 = xor i1 %t.0, %f.0
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%f.1 = icmp eq i8 10, 9
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%res.2 = xor i1 %res.1, %f.1
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ret i1 %res.2
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}
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define i1 @test_ne() {
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; CHECK-LABEL: @test_ne(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[T_0:%.*]] = icmp ne i8 10, 11
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; CHECK-NEXT: [[F_0:%.*]] = icmp ne i8 10, 10
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; CHECK-NEXT: [[RES_1:%.*]] = xor i1 [[T_0]], [[F_0]]
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; CHECK-NEXT: [[T_1:%.*]] = icmp ne i8 10, 9
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; CHECK-NEXT: [[RES_2:%.*]] = xor i1 [[RES_1]], [[T_1]]
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; CHECK-NEXT: ret i1 [[RES_2]]
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;
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entry:
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%t.0 = icmp ne i8 10, 11
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%f.0 = icmp ne i8 10, 10
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%res.1 = xor i1 %t.0, %f.0
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%t.1 = icmp ne i8 10, 9
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%res.2 = xor i1 %res.1, %t.1
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ret i1 %res.2
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}
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