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- ; 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
- ; CHECK-LABEL: @f1(
- define i64 @f1(i8 **%esc) {
- %call = call i8* @malloc(i32 4)
- store i8* %call, i8** %esc
- %size = call i64 @llvm.objectsize.i64(i8* %call, i1 false)
- ; CHECK: ret i64 4
- ret i64 %size
- }
- ; CHECK-LABEL: @f2(
- define i64 @f2(i8** %esc) nounwind uwtable ssp personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
- entry:
- ; CHECK: invoke noalias i8* @_Znwm(i64 13)
- %call = invoke noalias i8* @_Znwm(i64 13)
- to label %invoke.cont unwind label %lpad
- invoke.cont:
- ; CHECK: ret i64 13
- 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
- }
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