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| ; REQUIRES: asserts
; RUN: opt -S -instsimplify -hotcoldsplit -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(i64 %0)
; CHECK-LABEL: newFuncRoot:
; CHECK: %1 = icmp eq i64 %0, 0
; CHECK: call void @llvm.assume(i1 %1)
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)
|