227 lines
8.1 KiB
LLVM
227 lines
8.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -mtriple x86_64--linux -instcombine -S | FileCheck %s
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; REQUIRES: x86-registered-target
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; PR1201
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; 'if (p) delete p;' cannot result in a call to 'operator delete(0)'.
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define void @test6a(i8* %foo) minsize {
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; CHECK-LABEL: @test6a(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i8* [[FOO:%.*]], null
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; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: tail call void @_ZdlPv(i8* [[FOO]]) #[[ATTR5:[0-9]+]]
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; CHECK-NEXT: br label [[IF_END]]
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; CHECK: if.end:
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; CHECK-NEXT: ret void
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;
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entry:
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%tobool = icmp eq i8* %foo, null
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br i1 %tobool, label %if.end, label %if.then
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if.then: ; preds = %entry
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tail call void @_ZdlPv(i8* %foo) builtin
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br label %if.end
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if.end: ; preds = %entry, %if.then
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ret void
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}
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declare i8* @_ZnwmRKSt9nothrow_t(i64, i8*) nobuiltin
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declare void @_ZdlPvRKSt9nothrow_t(i8*, i8*) nobuiltin
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declare i32 @__gxx_personality_v0(...)
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declare void @_ZN1AC2Ev(i8* %this)
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define void @test7() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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; CHECK-LABEL: @test7(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: invoke void @_ZN1AC2Ev(i8* undef)
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; CHECK-NEXT: to label [[DOTNOEXC_I:%.*]] unwind label [[LPAD_I:%.*]]
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; CHECK: .noexc.i:
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; CHECK-NEXT: unreachable
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; CHECK: lpad.i:
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; CHECK-NEXT: [[TMP0:%.*]] = landingpad { i8*, i32 }
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: resume { i8*, i32 } [[TMP0]]
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;
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entry:
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%nt = alloca i8
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%call.i = tail call i8* @_ZnwmRKSt9nothrow_t(i64 1, i8* %nt) builtin nounwind
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invoke void @_ZN1AC2Ev(i8* undef)
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to label %.noexc.i unwind label %lpad.i
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.noexc.i: ; preds = %entry
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unreachable
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lpad.i: ; preds = %entry
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%0 = landingpad { i8*, i32 } cleanup
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call void @_ZdlPvRKSt9nothrow_t(i8* %call.i, i8* %nt) builtin nounwind
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resume { i8*, i32 } %0
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}
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declare i8* @_Znwm(i64) nobuiltin
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define i8* @_Znwj(i32 %n) nobuiltin {
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; CHECK-LABEL: @_Znwj(
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; CHECK-NEXT: [[Z:%.*]] = zext i32 [[N:%.*]] to i64
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; CHECK-NEXT: [[M:%.*]] = call i8* @_Znwm(i64 [[Z]])
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; CHECK-NEXT: ret i8* [[M]]
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;
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%z = zext i32 %n to i64
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%m = call i8* @_Znwm(i64 %z)
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ret i8* %m
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}
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declare i8* @_Znam(i64) nobuiltin
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declare i8* @_Znaj(i32) nobuiltin
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declare void @_ZdlPv(i8*) nobuiltin
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declare void @_ZdaPv(i8*) nobuiltin
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define linkonce void @_ZdlPvm(i8* %p, i64) nobuiltin {
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; CHECK-LABEL: @_ZdlPvm(
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; CHECK-NEXT: call void @_ZdlPv(i8* [[P:%.*]])
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; CHECK-NEXT: ret void
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;
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call void @_ZdlPv(i8* %p)
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ret void
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}
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define linkonce void @_ZdlPvj(i8* %p, i32) nobuiltin {
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; CHECK-LABEL: @_ZdlPvj(
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; CHECK-NEXT: call void @_ZdlPv(i8* [[P:%.*]])
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; CHECK-NEXT: ret void
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;
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call void @_ZdlPv(i8* %p)
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ret void
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}
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define linkonce void @_ZdaPvm(i8* %p, i64) nobuiltin {
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; CHECK-LABEL: @_ZdaPvm(
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; CHECK-NEXT: call void @_ZdaPv(i8* [[P:%.*]])
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; CHECK-NEXT: ret void
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;
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call void @_ZdaPv(i8* %p)
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ret void
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}
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define linkonce void @_ZdaPvj(i8* %p, i32) nobuiltin {
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; CHECK-LABEL: @_ZdaPvj(
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; CHECK-NEXT: call void @_ZdaPv(i8* [[P:%.*]])
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; CHECK-NEXT: ret void
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;
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call void @_ZdaPv(i8* %p)
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ret void
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}
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; new(size_t, align_val_t)
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declare i8* @_ZnwmSt11align_val_t(i64, i64) nobuiltin
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declare i8* @_ZnwjSt11align_val_t(i32, i32) nobuiltin
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; new[](size_t, align_val_t)
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declare i8* @_ZnamSt11align_val_t(i64, i64) nobuiltin
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declare i8* @_ZnajSt11align_val_t(i32, i32) nobuiltin
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; new(size_t, align_val_t, nothrow)
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declare i8* @_ZnwmSt11align_val_tRKSt9nothrow_t(i64, i64, i8*) nobuiltin
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declare i8* @_ZnwjSt11align_val_tRKSt9nothrow_t(i32, i32, i8*) nobuiltin
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; new[](size_t, align_val_t, nothrow)
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declare i8* @_ZnamSt11align_val_tRKSt9nothrow_t(i64, i64, i8*) nobuiltin
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declare i8* @_ZnajSt11align_val_tRKSt9nothrow_t(i32, i32, i8*) nobuiltin
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; delete(void*, align_val_t)
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declare void @_ZdlPvSt11align_val_t(i8*, i64) nobuiltin
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; delete[](void*, align_val_t)
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declare void @_ZdaPvSt11align_val_t(i8*, i64) nobuiltin
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; delete(void*, align_val_t, nothrow)
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declare void @_ZdlPvSt11align_val_tRKSt9nothrow_t(i8*, i64, i8*) nobuiltin
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; delete[](void*, align_val_t, nothrow)
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declare void @_ZdaPvSt11align_val_tRKSt9nothrow_t(i8*, i64, i8*) nobuiltin
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; delete(void*, unsigned int, align_val_t)
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declare void @_ZdlPvjSt11align_val_t(i8*, i32, i32) nobuiltin
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; delete(void*, unsigned long, align_val_t)
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declare void @_ZdlPvmSt11align_val_t(i8*, i64, i64) nobuiltin
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; delete[](void*, unsigned int, align_val_t)
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declare void @_ZdaPvjSt11align_val_t(i8*, i32, i32) nobuiltin
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; delete[](void*, unsigned long, align_val_t)
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declare void @_ZdaPvmSt11align_val_t(i8*, i64, i64) nobuiltin
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declare void @llvm.assume(i1)
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define void @test8() {
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; CHECK-LABEL: @test8(
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; CHECK-NEXT: ret void
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;
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%nt = alloca i8
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%nw = call i8* @_Znwm(i64 32) builtin
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call void @_ZdlPv(i8* %nw) builtin
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%na = call i8* @_Znam(i64 32) builtin
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call void @_ZdaPv(i8* %na) builtin
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%nwm = call i8* @_Znwm(i64 32) builtin
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call void @_ZdlPvm(i8* %nwm, i64 32) builtin
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%nwj = call i8* @_Znwj(i32 32) builtin
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call void @_ZdlPvj(i8* %nwj, i32 32) builtin
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%nam = call i8* @_Znam(i64 32) builtin
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call void @_ZdaPvm(i8* %nam, i64 32) builtin
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%naj = call i8* @_Znaj(i32 32) builtin
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call void @_ZdaPvj(i8* %naj, i32 32) builtin
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%nwa = call i8* @_ZnwmSt11align_val_t(i64 32, i64 8) builtin
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call void @_ZdlPvSt11align_val_t(i8* %nwa, i64 8) builtin
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%naa = call i8* @_ZnamSt11align_val_t(i64 32, i64 8) builtin
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call void @_ZdaPvSt11align_val_t(i8* %naa, i64 8) builtin
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%nwja = call i8* @_ZnwjSt11align_val_t(i32 32, i32 8) builtin
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call void @_ZdlPvSt11align_val_t(i8* %nwja, i64 8) builtin
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%naja = call i8* @_ZnajSt11align_val_t(i32 32, i32 8) builtin
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call void @_ZdaPvSt11align_val_t(i8* %naja, i64 8) builtin
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%nwat = call i8* @_ZnwmSt11align_val_tRKSt9nothrow_t(i64 32, i64 8, i8* %nt) builtin
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call void @_ZdlPvSt11align_val_tRKSt9nothrow_t(i8* %nwat, i64 8, i8* %nt) builtin
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%naat = call i8* @_ZnamSt11align_val_tRKSt9nothrow_t(i64 32, i64 8, i8* %nt) builtin
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call void @_ZdaPvSt11align_val_tRKSt9nothrow_t(i8* %naat, i64 8, i8* %nt) builtin
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%nwjat = call i8* @_ZnwjSt11align_val_tRKSt9nothrow_t(i32 32, i32 8, i8* %nt) builtin
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call void @_ZdlPvSt11align_val_tRKSt9nothrow_t(i8* %nwjat, i64 8, i8* %nt) builtin
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%najat = call i8* @_ZnajSt11align_val_tRKSt9nothrow_t(i32 32, i32 8, i8* %nt) builtin
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call void @_ZdaPvSt11align_val_tRKSt9nothrow_t(i8* %najat, i64 8, i8* %nt) builtin
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%nwa2 = call i8* @_ZnwmSt11align_val_t(i64 32, i64 8) builtin
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call void @_ZdlPvmSt11align_val_t(i8* %nwa2, i64 32, i64 8) builtin
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%nwja2 = call i8* @_ZnwjSt11align_val_t(i32 32, i32 8) builtin
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call void @_ZdlPvjSt11align_val_t(i8* %nwa2, i32 32, i32 8) builtin
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%naa2 = call i8* @_ZnamSt11align_val_t(i64 32, i64 8) builtin
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call void @_ZdaPvmSt11align_val_t(i8* %naa2, i64 32, i64 8) builtin
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%naja2 = call i8* @_ZnajSt11align_val_t(i32 32, i32 8) builtin
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call void @_ZdaPvjSt11align_val_t(i8* %naja2, i32 32, i32 8) builtin
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; Check that the alignment assume does not prevent the removal.
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%nwa3 = call i8* @_ZnwmSt11align_val_t(i64 32, i64 16) builtin
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call void @llvm.assume(i1 true) [ "align"(i8* %nwa3, i64 16) ]
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call void @_ZdlPvmSt11align_val_t(i8* %nwa3, i64 32, i64 16) builtin
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ret void
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}
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define void @test10() {
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; CHECK-LABEL: @test10(
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; CHECK-NEXT: call void @_ZdlPv(i8* null)
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; CHECK-NEXT: ret void
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;
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call void @_ZdlPv(i8* null)
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ret void
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}
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define void @test11() {
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; CHECK-LABEL: @test11(
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; CHECK-NEXT: [[CALL:%.*]] = call dereferenceable(8) i8* @_Znwm(i64 8) #[[ATTR5]]
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; CHECK-NEXT: call void @_ZdlPv(i8* nonnull [[CALL]])
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; CHECK-NEXT: ret void
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;
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%call = call i8* @_Znwm(i64 8) builtin
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call void @_ZdlPv(i8* %call)
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ret void
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}
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declare i8* @llvm.launder.invariant.group(i8*)
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declare i8* @llvm.strip.invariant.group(i8*)
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define void @test17() {
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; CHECK-LABEL: @test17(
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; CHECK-NEXT: ret void
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;
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%nw1 = call i8* @_Znwm(i64 32) builtin
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%nw2 = call i8* @llvm.launder.invariant.group(i8* %nw1)
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%nw3 = call i8* @llvm.strip.invariant.group(i8* %nw2)
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store i8 1, i8* %nw3
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call void @_ZdlPv(i8* %nw2) builtin
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ret void
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}
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