41 lines
1.1 KiB
LLVM
41 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -passes=dse -S < %s | FileCheck %s
|
|
|
|
@global = external constant i8
|
|
|
|
define void @f() {
|
|
; CHECK-LABEL: @f(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call noalias ptr @_Znwm(i64 32)
|
|
; CHECK-NEXT: [[TMP2:%.*]] = icmp ugt ptr [[TMP1]], @global
|
|
; CHECK-NEXT: call void @llvm.assume(i1 [[TMP2]])
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%tmp1 = call noalias ptr @_Znwm(i64 32)
|
|
%tmp2 = icmp ugt ptr %tmp1, @global
|
|
call void @llvm.assume(i1 %tmp2)
|
|
store i8 0, ptr %tmp1, align 1
|
|
ret void
|
|
}
|
|
|
|
define void @f2() {
|
|
; CHECK-LABEL: @f2(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call noalias ptr @_Znwm(i64 32)
|
|
; CHECK-NEXT: [[TMP2:%.*]] = icmp ugt ptr [[TMP1]], @global
|
|
; CHECK-NEXT: call void @llvm.assume(i1 [[TMP2]])
|
|
; CHECK-NEXT: call void @quux(ptr @global)
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%tmp1 = call noalias ptr @_Znwm(i64 32)
|
|
%tmp2 = icmp ugt ptr %tmp1, @global
|
|
call void @llvm.assume(i1 %tmp2)
|
|
store i8 0, ptr %tmp1, align 1
|
|
call void @quux(ptr @global)
|
|
ret void
|
|
}
|
|
|
|
declare ptr @_Znwm(i64)
|
|
|
|
declare void @llvm.assume(i1)
|
|
|
|
declare void @quux(ptr)
|