e4db3f0d97
…generating empty location Fix the regression detected by https://github.com/llvm/llvm-test-suite/pull/188
281 lines
9.4 KiB
LLVM
281 lines
9.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=lower-constant-intrinsics -S < %s | FileCheck %s
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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"
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target triple = "x86_64-apple-darwin10.0.0"
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declare i64 @llvm.objectsize.i64(ptr, i1, i1, i1) nounwind readonly
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declare i64 @llvm.objectsize.i64.p1(ptr addrspace(1), i1, i1, i1) nounwind readonly
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declare void @llvm.trap() nounwind
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; objectsize should fold to a constant, which causes the branch to fold to an
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; uncond branch.
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define i32 @test1(ptr %ptr) nounwind ssp noredzone align 2 {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[T:%.*]]
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; CHECK: T:
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; CHECK-NEXT: ret i32 4
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;
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entry:
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%0 = tail call i64 @llvm.objectsize.i64(ptr %ptr, i1 false, i1 false, i1 false)
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%1 = icmp ugt i64 %0, 3
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br i1 %1, label %T, label %trap
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trap: ; preds = %0, %entry
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tail call void @llvm.trap() noreturn nounwind
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unreachable
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T:
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ret i32 4
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}
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define i64 @test_objectsize_null_flag(ptr %ptr) {
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; CHECK-LABEL: @test_objectsize_null_flag(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i64 -1
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;
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entry:
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%0 = tail call i64 @llvm.objectsize.i64(ptr null, i1 false, i1 true, i1 false)
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ret i64 %0
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}
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define i64 @test_objectsize_null_flag_min(ptr %ptr) {
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; CHECK-LABEL: @test_objectsize_null_flag_min(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i64 0
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;
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entry:
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%0 = tail call i64 @llvm.objectsize.i64(ptr null, i1 true, i1 true, i1 false)
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ret i64 %0
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}
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; Test foldable null pointers because we evaluate them with non-exact modes in
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; CodeGenPrepare.
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define i64 @test_objectsize_null_flag_noas0() {
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; CHECK-LABEL: @test_objectsize_null_flag_noas0(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i64 -1
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;
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entry:
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%0 = tail call i64 @llvm.objectsize.i64.p1(ptr addrspace(1) null, i1 false,
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i1 true, i1 false)
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ret i64 %0
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}
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define i64 @test_objectsize_null_flag_min_noas0() {
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; CHECK-LABEL: @test_objectsize_null_flag_min_noas0(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i64 0
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;
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entry:
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%0 = tail call i64 @llvm.objectsize.i64.p1(ptr addrspace(1) null, i1 true,
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i1 true, i1 false)
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ret i64 %0
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}
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define i64 @test_objectsize_null_known_flag_noas0() {
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; CHECK-LABEL: @test_objectsize_null_known_flag_noas0(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i64 -1
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;
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entry:
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%0 = tail call i64 @llvm.objectsize.i64.p1(ptr addrspace(1) null, i1 false,
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i1 false, i1 false)
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ret i64 %0
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}
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define i64 @test_objectsize_null_known_flag_min_noas0() {
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; CHECK-LABEL: @test_objectsize_null_known_flag_min_noas0(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i64 0
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;
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entry:
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%0 = tail call i64 @llvm.objectsize.i64.p1(ptr addrspace(1) null, i1 true,
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i1 false, i1 false)
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ret i64 %0
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}
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define i64 @test_objectsize_byval_arg(ptr byval([42 x i8]) %ptr) {
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; CHECK-LABEL: @test_objectsize_byval_arg(
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; CHECK-NEXT: ret i64 42
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;
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%size = tail call i64 @llvm.objectsize.i64(ptr %ptr, i1 true, i1 false, i1 false)
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ret i64 %size
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}
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define i64 @test_objectsize_byref_arg(ptr byref([42 x i8]) %ptr) {
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; CHECK-LABEL: @test_objectsize_byref_arg(
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; CHECK-NEXT: ret i64 42
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;
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%size = tail call i64 @llvm.objectsize.i64(ptr %ptr, i1 true, i1 false, i1 false)
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ret i64 %size
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}
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; https://llvm.org/PR50023
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; The alloca operand type may not match pointer type size.
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define i64 @vla_pointer_size_mismatch(i42 %x) {
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; CHECK-LABEL: @vla_pointer_size_mismatch(
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; CHECK-NEXT: [[TMP1:%.*]] = zext i42 [[X:%.*]] to i64
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; CHECK-NEXT: [[TMP2:%.*]] = mul i64 1, [[TMP1]]
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; CHECK-NEXT: [[A:%.*]] = alloca i8, i42 [[X]], align 1
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; CHECK-NEXT: [[G1:%.*]] = getelementptr i8, ptr [[A]], i8 17
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; CHECK-NEXT: [[TMP3:%.*]] = sub i64 [[TMP2]], 17
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; CHECK-NEXT: [[TMP4:%.*]] = icmp ult i64 [[TMP2]], 17
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; CHECK-NEXT: [[TMP5:%.*]] = select i1 [[TMP4]], i64 0, i64 [[TMP3]]
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; CHECK-NEXT: [[TMP6:%.*]] = icmp ne i64 [[TMP5]], -1
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; CHECK-NEXT: call void @llvm.assume(i1 [[TMP6]])
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; CHECK-NEXT: ret i64 [[TMP5]]
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;
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%A = alloca i8, i42 %x, align 1
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%G1 = getelementptr i8, ptr %A, i8 17
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%objsize = call i64 @llvm.objectsize.i64(ptr %G1, i1 false, i1 true, i1 true)
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ret i64 %objsize
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}
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declare ptr @malloc(i64) allocsize(0)
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define i64 @test_objectsize_malloc() {
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; CHECK-LABEL: @test_objectsize_malloc(
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; CHECK-NEXT: [[PTR:%.*]] = call ptr @malloc(i64 16)
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; CHECK-NEXT: ret i64 16
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;
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%ptr = call ptr @malloc(i64 16)
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%objsize = call i64 @llvm.objectsize.i64(ptr %ptr, i1 false, i1 true, i1 true)
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ret i64 %objsize
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}
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@gv_weak = weak global i64 zeroinitializer, align 16
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define i32 @promote_with_objectsize_min_false() {
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; CHECK-LABEL: @promote_with_objectsize_min_false(
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; CHECK-NEXT: ret i32 -1
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;
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%size = call i32 @llvm.objectsize.i32.p0(ptr @gv_weak, i1 false, i1 false, i1 false)
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ret i32 %size
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}
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define i32 @promote_with_objectsize_min_true() {
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; CHECK-LABEL: @promote_with_objectsize_min_true(
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; CHECK-NEXT: ret i32 8
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;
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%size = call i32 @llvm.objectsize.i32.p0(ptr @gv_weak, i1 true, i1 false, i1 false)
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ret i32 %size
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}
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@gv_extern = extern_weak global i64, align 16
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define i32 @promote_with_objectsize_nullunknown_false() {
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; CHECK-LABEL: @promote_with_objectsize_nullunknown_false(
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; CHECK-NEXT: ret i32 0
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;
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%size = call i32 @llvm.objectsize.i32.p0(ptr @gv_extern, i1 true, i1 false, i1 false)
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ret i32 %size
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}
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define i32 @promote_with_objectsize_nullunknown_true() {
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; CHECK-LABEL: @promote_with_objectsize_nullunknown_true(
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; CHECK-NEXT: ret i32 0
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;
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%size = call i32 @llvm.objectsize.i32.p0(ptr @gv_extern, i1 true, i1 true, i1 false)
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ret i32 %size
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}
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define i64 @out_of_bound_gep() {
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; CHECK-LABEL: @out_of_bound_gep(
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; CHECK-NEXT: [[OBJ:%.*]] = alloca i8, i32 4, align 1
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; CHECK-NEXT: [[SLIDE:%.*]] = getelementptr i8, ptr [[OBJ]], i8 8
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; CHECK-NEXT: ret i64 0
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;
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%obj = alloca i8, i32 4
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%slide = getelementptr i8, ptr %obj, i8 8
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%objsize = call i64 @llvm.objectsize.i64(ptr %slide, i1 false, i1 false, i1 false)
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ret i64 %objsize
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}
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define i64 @wrapping_gep(i1 %c) {
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; CHECK-LABEL: @wrapping_gep(
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; CHECK-NEXT: [[OBJ:%.*]] = alloca i8, i64 4, align 1
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; CHECK-NEXT: [[SLIDE:%.*]] = getelementptr i8, ptr [[OBJ]], i64 -9223372036854775807
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; CHECK-NEXT: [[SLIDE_BIS:%.*]] = getelementptr i8, ptr [[SLIDE]], i64 -9223372036854775808
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; CHECK-NEXT: ret i64 3
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;
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%obj = alloca i8, i64 4
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%slide = getelementptr i8, ptr %obj, i64 9223372036854775809
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%slide.bis = getelementptr i8, ptr %slide, i64 9223372036854775808
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%objsize = call i64 @llvm.objectsize.i64(ptr %slide.bis, i1 false, i1 false, i1 false)
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ret i64 %objsize
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}
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define i64 @wrapping_gep_neg(i1 %c) {
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; CHECK-LABEL: @wrapping_gep_neg(
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; CHECK-NEXT: [[OBJ:%.*]] = alloca i8, i64 4, align 1
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; CHECK-NEXT: [[SLIDE:%.*]] = getelementptr i8, ptr [[OBJ]], i64 9223372036854775807
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; CHECK-NEXT: [[SLIDE_BIS:%.*]] = getelementptr i8, ptr [[SLIDE]], i64 9223372036854775807
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; CHECK-NEXT: ret i64 -1
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;
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%obj = alloca i8, i64 4
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%slide = getelementptr i8, ptr %obj, i64 9223372036854775807
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%slide.bis = getelementptr i8, ptr %slide, i64 9223372036854775807
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%objsize = call i64 @llvm.objectsize.i64(ptr %slide.bis, i1 false, i1 false, i1 false)
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ret i64 %objsize
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}
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define i64 @wrapping_gep_large_alloc(i1 %c) {
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; CHECK-LABEL: @wrapping_gep_large_alloc(
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; CHECK-NEXT: [[OBJ:%.*]] = alloca i8, i64 9223372036854775807, align 1
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; CHECK-NEXT: [[SLIDE:%.*]] = getelementptr i8, ptr [[OBJ]], i64 9223372036854775807
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; CHECK-NEXT: [[SLIDE_BIS:%.*]] = getelementptr i8, ptr [[SLIDE]], i64 3
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; CHECK-NEXT: [[SLIDE_TER:%.*]] = getelementptr i8, ptr [[SLIDE_BIS]], i64 -4
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; CHECK-NEXT: ret i64 1
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;
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%obj = alloca i8, i64 9223372036854775807
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%slide = getelementptr i8, ptr %obj, i64 9223372036854775807
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%slide.bis = getelementptr i8, ptr %slide, i64 3
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%slide.ter = getelementptr i8, ptr %slide.bis, i64 -4
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%objsize = call i64 @llvm.objectsize.i64(ptr %slide.ter, i1 false, i1 false, i1 false)
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ret i64 %objsize
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}
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; We don't analyze allocations larger than platform's ptrdiff_t
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define i64 @large_alloca() {
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; CHECK-LABEL: @large_alloca(
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; CHECK-NEXT: [[OBJ:%.*]] = alloca i8, i64 -9223372036854775808, align 1
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; CHECK-NEXT: [[SLIDE:%.*]] = getelementptr i8, ptr [[OBJ]], i64 9223372036854775807
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; CHECK-NEXT: ret i64 -1
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;
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%obj = alloca i8, i64 9223372036854775808
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%slide = getelementptr i8, ptr %obj, i64 9223372036854775807
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%objsize = call i64 @llvm.objectsize.i64(ptr %slide, i1 false, i1 false, i1 false)
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ret i64 %objsize
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}
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; We don't analyze allocations larger than platform's ptrdiff_t
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define i64 @large_malloc() {
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; CHECK-LABEL: @large_malloc(
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; CHECK-NEXT: [[OBJ:%.*]] = call ptr @malloc(i64 -9223372036854775808)
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; CHECK-NEXT: [[SLIDE:%.*]] = getelementptr i8, ptr [[OBJ]], i64 9223372036854775807
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; CHECK-NEXT: ret i64 -1
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;
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%obj = call ptr @malloc(i64 9223372036854775808)
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%slide = getelementptr i8, ptr %obj, i64 9223372036854775807
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%objsize = call i64 @llvm.objectsize.i64(ptr %slide, i1 false, i1 false, i1 false)
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ret i64 %objsize
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}
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define i64 @out_of_bound_negative_gep(i1 %c) {
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; CHECK-LABEL: @out_of_bound_negative_gep(
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; CHECK-NEXT: [[OBJ:%.*]] = alloca i8, i32 4, align 1
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; CHECK-NEXT: [[SLIDE:%.*]] = getelementptr i8, ptr [[OBJ]], i8 -8
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; CHECK-NEXT: ret i64 -1
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;
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%obj = alloca i8, i32 4
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%slide = getelementptr i8, ptr %obj, i8 -8
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%objsize = call i64 @llvm.objectsize.i64(ptr %slide, i1 false, i1 false, i1 false)
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ret i64 %objsize
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}
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declare i32 @llvm.objectsize.i32.p0(ptr, i1, i1, i1)
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