| ; REQUIRES: asserts |
| ; RUN: opt -S -instsimplify -hotcoldsplit -hotcoldsplit-threshold=-1 -debug < %s 2>&1 | FileCheck %s |
| ; RUN: opt -instcombine -hotcoldsplit -instsimplify %s -o /dev/null |
| |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64" |
| |
| %a = type { i64, i64 } |
| %b = type { i64 } |
| |
| ; CHECK: @f |
| ; CHECK-LABEL: codeRepl: |
| ; CHECK-NOT: @llvm.assume |
| ; CHECK: } |
| ; CHECK: declare {{.*}}@llvm.assume |
| ; CHECK: define {{.*}}@f.cold.1() |
| ; CHECK-LABEL: newFuncRoot: |
| ; CHECK: } |
| ; CHECK: define {{.*}}@f.cold.2(i64 %0) |
| ; CHECK-LABEL: newFuncRoot: |
| ; CHECK: %1 = icmp eq i64 %0, 0 |
| ; CHECK-NOT: call void @llvm.assume |
| |
| define void @f() { |
| entry: |
| %0 = getelementptr inbounds %a, %a* null, i64 0, i32 1 |
| br label %label |
| |
| label: |
| %1 = bitcast i64* %0 to %b** |
| %2 = load %b*, %b** %1, align 8 |
| %3 = getelementptr inbounds %b, %b* %2, i64 undef, i32 0 |
| %4 = load i64, i64* %3, align 8 |
| %5 = icmp ugt i64 %4, 1 |
| br i1 %5, label %if.then, label %if.else |
| |
| if.then: |
| unreachable |
| |
| if.else: |
| call void @g(i8* undef) |
| %6 = load i64, i64* undef, align 8 |
| %7 = and i64 %6, -16 |
| %8 = inttoptr i64 %7 to i8* |
| %9 = icmp eq i64 %4, 0 |
| call void @llvm.assume(i1 %9) |
| unreachable |
| } |
| |
| declare void @g(i8*) |
| |
| declare void @llvm.assume(i1) |
| |
