1; REQUIRES: asserts 2; RUN: opt -S -passes='function(instsimplify),hotcoldsplit' -hotcoldsplit-threshold=-1 -debug < %s 2>&1 | FileCheck %s 3; RUN: opt -passes='function(instcombine),hotcoldsplit,function(instsimplify)' %s -o /dev/null 4 5target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" 6target triple = "aarch64" 7 8%a = type { i64, i64 } 9%b = type { i64 } 10 11; CHECK: @f 12; CHECK-LABEL: codeRepl: 13; CHECK-NOT: @llvm.assume 14; CHECK: } 15; CHECK: declare {{.*}}@llvm.assume 16; CHECK: define {{.*}}@f.cold.1(i64 %load1) 17; CHECK-LABEL: newFuncRoot: 18; CHECK: %cmp1 = icmp eq i64 %load1, 0 19; CHECK-NOT: call void @llvm.assume 20; CHECK: define {{.*}}@f.cold.2() 21; CHECK-LABEL: newFuncRoot: 22; CHECK: } 23 24define void @f() { 25entry: 26 %i = getelementptr inbounds %a, ptr null, i64 0, i32 1 27 br label %label 28 29label: ; preds = %entry 30 %load0 = load ptr, ptr %i, align 8 31 %i3 = getelementptr inbounds %b, ptr %load0, i64 undef, i32 0 32 %load1 = load i64, ptr %i3, align 8 33 %cmp0 = icmp ugt i64 %load1, 1 34 br i1 %cmp0, label %if.then, label %if.else 35 36if.then: ; preds = %label 37 unreachable 38 39if.else: ; preds = %label 40 call void @g(ptr undef) 41 %load2 = load i64, ptr undef, align 8 42 %i7 = and i64 %load2, -16 43 %i8 = inttoptr i64 %i7 to ptr 44 %cmp1 = icmp eq i64 %load1, 0 45 call void @llvm.assume(i1 %cmp1) 46 unreachable 47} 48 49declare void @g(ptr) 50 51declare void @llvm.assume(i1 noundef) #0 52 53attributes #0 = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite) } 54