| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -instsimplify -S | FileCheck %s |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| declare void @llvm.assume(i1) #1 |
| |
| define i1 @nonnull0_true(i8* %x) { |
| ; CHECK-LABEL: @nonnull0_true( |
| ; CHECK-NEXT: [[A:%.*]] = icmp ne i8* [[X:%.*]], null |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %a = icmp ne i8* %x, null |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8* %x, null |
| ret i1 %q |
| } |
| |
| define i1 @nonnull1_true(i8* %x) { |
| ; CHECK-LABEL: @nonnull1_true( |
| ; CHECK-NEXT: [[INTPTR:%.*]] = ptrtoint i8* [[X:%.*]] to i64 |
| ; CHECK-NEXT: [[A:%.*]] = icmp ne i64 [[INTPTR]], 0 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %intptr = ptrtoint i8* %x to i64 |
| %a = icmp ne i64 %intptr, 0 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8* %x, null |
| ret i1 %q |
| } |
| |
| define i1 @nonnull2_true(i8 %x, i8 %y) { |
| ; CHECK-LABEL: @nonnull2_true( |
| ; CHECK-NEXT: [[A:%.*]] = icmp ugt i8 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %a = icmp ugt i8 %x, %y |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| define i1 @nonnull2_true_swapped(i8 %x, i8 %y) { |
| ; CHECK-LABEL: @nonnull2_true_swapped( |
| ; CHECK-NEXT: [[A:%.*]] = icmp ult i8 [[Y:%.*]], [[X:%.*]] |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %a = icmp ult i8 %y, %x |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| |
| define i1 @nonnull3_unknown(i8 %x) { |
| ; CHECK-LABEL: @nonnull3_unknown( |
| ; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X:%.*]], 0 |
| ; CHECK-NEXT: ret i1 [[Q]] |
| ; |
| %a = icmp uge i8 %x, 0 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| define i1 @nonnull4_true(i8 %x) { |
| ; CHECK-LABEL: @nonnull4_true( |
| ; CHECK-NEXT: [[A:%.*]] = icmp uge i8 [[X:%.*]], 1 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %a = icmp uge i8 %x, 1 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| |
| define i1 @nonnull5_unknown(i8 %x) { |
| ; CHECK-LABEL: @nonnull5_unknown( |
| ; CHECK-NEXT: [[A:%.*]] = icmp sgt i8 [[X:%.*]], -1 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0 |
| ; CHECK-NEXT: ret i1 [[Q]] |
| ; |
| %a = icmp sgt i8 %x, -1 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| define i1 @nonnull6_true(i8 %x) { |
| ; CHECK-LABEL: @nonnull6_true( |
| ; CHECK-NEXT: [[A:%.*]] = icmp sgt i8 [[X:%.*]], 0 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %a = icmp sgt i8 %x, 0 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| define i1 @nonnull7_true(i8 %x) { |
| ; CHECK-LABEL: @nonnull7_true( |
| ; CHECK-NEXT: [[A:%.*]] = icmp sgt i8 [[X:%.*]], 1 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %a = icmp sgt i8 %x, 1 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| |
| define i1 @nonnull8_unknown(i8 %x) { |
| ; CHECK-LABEL: @nonnull8_unknown( |
| ; CHECK-NEXT: [[A:%.*]] = icmp sge i8 [[X:%.*]], -1 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0 |
| ; CHECK-NEXT: ret i1 [[Q]] |
| ; |
| %a = icmp sge i8 %x, -1 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| define i1 @nonnull9_unknown(i8 %x) { |
| ; CHECK-LABEL: @nonnull9_unknown( |
| ; CHECK-NEXT: [[A:%.*]] = icmp sge i8 [[X:%.*]], 0 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0 |
| ; CHECK-NEXT: ret i1 [[Q]] |
| ; |
| %a = icmp sge i8 %x, 0 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| define i1 @nonnull10_true(i8 %x) { |
| ; CHECK-LABEL: @nonnull10_true( |
| ; CHECK-NEXT: [[A:%.*]] = icmp sge i8 [[X:%.*]], 1 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %a = icmp sge i8 %x, 1 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| |
| define i1 @nonnull11_true(i8 %x) { |
| ; CHECK-LABEL: @nonnull11_true( |
| ; CHECK-NEXT: [[A:%.*]] = icmp slt i8 [[X:%.*]], 0 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %a = icmp slt i8 %x, 0 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| define i1 @nonnull12_unknown(i8 %x) { |
| ; CHECK-LABEL: @nonnull12_unknown( |
| ; CHECK-NEXT: [[A:%.*]] = icmp slt i8 [[X:%.*]], 1 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0 |
| ; CHECK-NEXT: ret i1 [[Q]] |
| ; |
| %a = icmp slt i8 %x, 1 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| define i1 @nonnull13_unknown(i8 %x) { |
| ; CHECK-LABEL: @nonnull13_unknown( |
| ; CHECK-NEXT: [[A:%.*]] = icmp slt i8 [[X:%.*]], 2 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0 |
| ; CHECK-NEXT: ret i1 [[Q]] |
| ; |
| %a = icmp slt i8 %x, 2 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| |
| define i1 @nonnull14_true(i8 %x) { |
| ; CHECK-LABEL: @nonnull14_true( |
| ; CHECK-NEXT: [[A:%.*]] = icmp sle i8 [[X:%.*]], -1 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %a = icmp sle i8 %x, -1 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| define i1 @nonnull15_unknown(i8 %x) { |
| ; CHECK-LABEL: @nonnull15_unknown( |
| ; CHECK-NEXT: [[A:%.*]] = icmp sle i8 [[X:%.*]], 0 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0 |
| ; CHECK-NEXT: ret i1 [[Q]] |
| ; |
| %a = icmp sle i8 %x, 0 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| define i1 @nonnull16_unknown(i8 %x) { |
| ; CHECK-LABEL: @nonnull16_unknown( |
| ; CHECK-NEXT: [[A:%.*]] = icmp sle i8 [[X:%.*]], 1 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0 |
| ; CHECK-NEXT: ret i1 [[Q]] |
| ; |
| %a = icmp sle i8 %x, 1 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |
| define i1 @nonnull17_unknown(i8 %x) { |
| ; CHECK-LABEL: @nonnull17_unknown( |
| ; CHECK-NEXT: [[A:%.*]] = icmp sle i8 [[X:%.*]], 2 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[A]]) |
| ; CHECK-NEXT: [[Q:%.*]] = icmp ne i8 [[X]], 0 |
| ; CHECK-NEXT: ret i1 [[Q]] |
| ; |
| %a = icmp sle i8 %x, 2 |
| call void @llvm.assume(i1 %a) |
| %q = icmp ne i8 %x, 0 |
| ret i1 %q |
| } |