| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=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 ptr @malloc(i64) nounwind allockind("alloc,uninitialized") allocsize(0) |
| declare noalias nonnull ptr @_Znwm(i64) ; new(unsigned long) |
| declare i32 @__gxx_personality_v0(...) |
| declare void @__cxa_call_unexpected(ptr) |
| declare i64 @llvm.objectsize.i64(ptr, i1) nounwind readonly |
| |
| define i64 @f1(ptr %esc) { |
| ; CHECK-LABEL: @f1( |
| ; CHECK-NEXT: [[CALL:%.*]] = call dereferenceable_or_null(4) ptr @malloc(i64 4) |
| ; CHECK-NEXT: store ptr [[CALL]], ptr [[ESC:%.*]], align 8 |
| ; CHECK-NEXT: ret i64 4 |
| ; |
| %call = call ptr @malloc(i64 4) |
| store ptr %call, ptr %esc |
| %size = call i64 @llvm.objectsize.i64(ptr %call, i1 false) |
| ret i64 %size |
| } |
| |
| |
| define i64 @f2(ptr %esc) nounwind uwtable ssp personality ptr @__gxx_personality_v0 { |
| ; CHECK-LABEL: @f2( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CALL:%.*]] = invoke noalias dereferenceable(13) ptr @_Znwm(i64 13) |
| ; CHECK-NEXT: to label [[INVOKE_CONT:%.*]] unwind label [[LPAD:%.*]] |
| ; CHECK: invoke.cont: |
| ; CHECK-NEXT: store ptr [[CALL]], ptr [[ESC:%.*]], align 8 |
| ; CHECK-NEXT: ret i64 13 |
| ; CHECK: lpad: |
| ; CHECK-NEXT: [[TMP0:%.*]] = landingpad { ptr, i32 } |
| ; CHECK-NEXT: filter [0 x ptr] zeroinitializer |
| ; CHECK-NEXT: [[TMP1:%.*]] = extractvalue { ptr, i32 } [[TMP0]], 0 |
| ; CHECK-NEXT: tail call void @__cxa_call_unexpected(ptr [[TMP1]]) #[[ATTR3:[0-9]+]] |
| ; CHECK-NEXT: unreachable |
| ; |
| entry: |
| %call = invoke noalias ptr @_Znwm(i64 13) |
| to label %invoke.cont unwind label %lpad |
| |
| invoke.cont: |
| store ptr %call, ptr %esc |
| %0 = tail call i64 @llvm.objectsize.i64(ptr %call, i1 false) |
| ret i64 %0 |
| |
| lpad: |
| %1 = landingpad { ptr, i32 } |
| filter [0 x ptr] zeroinitializer |
| %2 = extractvalue { ptr, i32 } %1, 0 |
| tail call void @__cxa_call_unexpected(ptr %2) noreturn nounwind |
| unreachable |
| } |