objsize-64.ll
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
declare noalias i8* @malloc(i32) nounwind
declare noalias i8* @_Znwm(i64) ; new(unsigned long)
declare i32 @__gxx_personality_v0(...)
declare void @__cxa_call_unexpected(i8*)
declare i64 @llvm.objectsize.i64(i8*, i1) nounwind readonly
define i64 @f1(i8 **%esc) {
; CHECK-LABEL: @f1(
; CHECK-NEXT: [[CALL:%.*]] = call dereferenceable_or_null(4) i8* @malloc(i32 4)
; CHECK-NEXT: store i8* [[CALL]], i8** [[ESC:%.*]], align 8
; CHECK-NEXT: ret i64 4
;
%call = call i8* @malloc(i32 4)
store i8* %call, i8** %esc
%size = call i64 @llvm.objectsize.i64(i8* %call, i1 false)
ret i64 %size
}
define i64 @f2(i8** %esc) nounwind uwtable ssp personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
; CHECK-LABEL: @f2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL:%.*]] = invoke noalias dereferenceable(13) i8* @_Znwm(i64 13)
; CHECK-NEXT: to label [[INVOKE_CONT:%.*]] unwind label [[LPAD:%.*]]
; CHECK: invoke.cont:
; CHECK-NEXT: store i8* [[CALL]], i8** [[ESC:%.*]], align 8
; CHECK-NEXT: ret i64 13
; CHECK: lpad:
; CHECK-NEXT: [[TMP0:%.*]] = landingpad { i8*, i32 }
; CHECK-NEXT: filter [0 x i8*] zeroinitializer
; CHECK-NEXT: [[TMP1:%.*]] = extractvalue { i8*, i32 } [[TMP0]], 0
; CHECK-NEXT: tail call void @__cxa_call_unexpected(i8* [[TMP1]]) #3
; CHECK-NEXT: unreachable
;
entry:
%call = invoke noalias i8* @_Znwm(i64 13)
to label %invoke.cont unwind label %lpad
invoke.cont:
store i8* %call, i8** %esc
%0 = tail call i64 @llvm.objectsize.i64(i8* %call, i1 false)
ret i64 %0
lpad:
%1 = landingpad { i8*, i32 }
filter [0 x i8*] zeroinitializer
%2 = extractvalue { i8*, i32 } %1, 0
tail call void @__cxa_call_unexpected(i8* %2) noreturn nounwind
unreachable
}