forked from OSchip/llvm-project
230 lines
6.3 KiB
LLVM
230 lines
6.3 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instsimplify -S | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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declare void @llvm.assume(i1) #1
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define i1 @nonnull0_true(i8* %x) {
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; CHECK-LABEL: @nonnull0_true(
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; CHECK-NEXT: [[A:%.*]] = icmp ne i8* [[X:%.*]], null
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8* [[X]], null
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%a = icmp ne i8* %x, null
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8* %x, null
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ret i1 %q
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}
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define i1 @nonnull1_true(i8* %x) {
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; CHECK-LABEL: @nonnull1_true(
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; CHECK-NEXT: [[INTPTR:%.*]] = ptrtoint i8* [[X:%.*]] to i64
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; CHECK-NEXT: [[A:%.*]] = icmp ne i64 [[INTPTR]], 0
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8* [[X]], null
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%intptr = ptrtoint i8* %x to i64
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%a = icmp ne i64 %intptr, 0
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8* %x, null
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ret i1 %q
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}
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define i1 @nonnull2_true(i8 %x, i8 %y) {
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; CHECK-LABEL: @nonnull2_true(
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; CHECK-NEXT: [[A:%.*]] = icmp ugt i8 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%a = icmp ugt i8 %x, %y
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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define i1 @nonnull3_unknown(i8 %x) {
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; CHECK-LABEL: @nonnull3_unknown(
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X:%.*]], 0
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%a = icmp uge i8 %x, 0
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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define i1 @nonnull4_true(i8 %x) {
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; CHECK-LABEL: @nonnull4_true(
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; CHECK-NEXT: [[A:%.*]] = icmp uge i8 [[X:%.*]], 1
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%a = icmp uge i8 %x, 1
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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define i1 @nonnull5_unknown(i8 %x) {
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; CHECK-LABEL: @nonnull5_unknown(
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; CHECK-NEXT: [[A:%.*]] = icmp sgt i8 [[X:%.*]], -1
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%a = icmp sgt i8 %x, -1
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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define i1 @nonnull6_true(i8 %x) {
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; CHECK-LABEL: @nonnull6_true(
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; CHECK-NEXT: [[A:%.*]] = icmp sgt i8 [[X:%.*]], 0
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%a = icmp sgt i8 %x, 0
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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define i1 @nonnull7_true(i8 %x) {
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; CHECK-LABEL: @nonnull7_true(
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; CHECK-NEXT: [[A:%.*]] = icmp sgt i8 [[X:%.*]], 1
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%a = icmp sgt i8 %x, 1
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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define i1 @nonnull8_unknown(i8 %x) {
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; CHECK-LABEL: @nonnull8_unknown(
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; CHECK-NEXT: [[A:%.*]] = icmp sge i8 [[X:%.*]], -1
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%a = icmp sge i8 %x, -1
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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define i1 @nonnull9_unknown(i8 %x) {
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; CHECK-LABEL: @nonnull9_unknown(
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; CHECK-NEXT: [[A:%.*]] = icmp sge i8 [[X:%.*]], 0
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%a = icmp sge i8 %x, 0
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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define i1 @nonnull10_true(i8 %x) {
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; CHECK-LABEL: @nonnull10_true(
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; CHECK-NEXT: [[A:%.*]] = icmp sge i8 [[X:%.*]], 1
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%a = icmp sge i8 %x, 1
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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define i1 @nonnull11_true(i8 %x) {
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; CHECK-LABEL: @nonnull11_true(
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; CHECK-NEXT: [[A:%.*]] = icmp slt i8 [[X:%.*]], 0
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: ret i1 true
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;
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%a = icmp slt i8 %x, 0
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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define i1 @nonnull12_unknown(i8 %x) {
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; CHECK-LABEL: @nonnull12_unknown(
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; CHECK-NEXT: [[A:%.*]] = icmp slt i8 [[X:%.*]], 1
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%a = icmp slt i8 %x, 1
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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define i1 @nonnull13_unknown(i8 %x) {
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; CHECK-LABEL: @nonnull13_unknown(
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; CHECK-NEXT: [[A:%.*]] = icmp slt i8 [[X:%.*]], 2
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%a = icmp slt i8 %x, 2
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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define i1 @nonnull14_true(i8 %x) {
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; CHECK-LABEL: @nonnull14_true(
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; CHECK-NEXT: [[A:%.*]] = icmp sle i8 [[X:%.*]], -1
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: ret i1 true
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;
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%a = icmp sle i8 %x, -1
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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define i1 @nonnull15_unknown(i8 %x) {
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; CHECK-LABEL: @nonnull15_unknown(
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; CHECK-NEXT: [[A:%.*]] = icmp sle i8 [[X:%.*]], 0
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%a = icmp sle i8 %x, 0
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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define i1 @nonnull16_unknown(i8 %x) {
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; CHECK-LABEL: @nonnull16_unknown(
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; CHECK-NEXT: [[A:%.*]] = icmp sle i8 [[X:%.*]], 1
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%a = icmp sle i8 %x, 1
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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define i1 @nonnull17_unknown(i8 %x) {
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; CHECK-LABEL: @nonnull17_unknown(
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; CHECK-NEXT: [[A:%.*]] = icmp sle i8 [[X:%.*]], 2
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; CHECK-NEXT: call void @llvm.assume(i1 [[A]])
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; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0
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; CHECK-NEXT: ret i1 [[Q]]
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;
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%a = icmp sle i8 %x, 2
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call void @llvm.assume(i1 %a)
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%q = icmp ne i8 %x, 0
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ret i1 %q
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}
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