| ; RUN: opt -mtriple=i386-pc-linux-gnu -aa-pipeline=basic-aa -passes=inferattrs,aa-eval -print-all-alias-modref-info -disable-output 2>&1 %s | FileCheck %s |
| |
| ; CHECK-LABEL: Function: test_memcmp_const_size |
| ; CHECK: Just Ref: Ptr: i8* %a <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %a.gep.1 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.5 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: NoModRef: Ptr: i8* %b.gep.5 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 4) |
| define i32 @test_memcmp_const_size(ptr noalias %a, ptr noalias %b) { |
| entry: |
| load i8, ptr %a |
| load i8, ptr %b |
| %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 4) |
| %a.gep.1 = getelementptr i8, ptr %a, i32 1 |
| store i8 0, ptr %a.gep.1 |
| %a.gep.5 = getelementptr i8, ptr %a, i32 5 |
| store i8 1, ptr %a.gep.5 |
| %b.gep.1 = getelementptr i8, ptr %b, i32 1 |
| store i8 2, ptr %b.gep.1 |
| %b.gep.5 = getelementptr i8, ptr %b, i32 5 |
| store i8 3, ptr %b.gep.5 |
| ret i32 %res |
| } |
| |
| ; CHECK-LABEL: Function: test_memcmp_variable_size |
| ; CHECK: Just Ref: Ptr: i8* %a <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %a.gep.1 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %a.gep.5 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.5 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 %n) |
| define i32 @test_memcmp_variable_size(ptr noalias %a, ptr noalias %b, i64 %n) { |
| entry: |
| load i8, ptr %a |
| load i8, ptr %b |
| %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 %n) |
| %a.gep.1 = getelementptr i8, ptr %a, i32 1 |
| store i8 0, ptr %a.gep.1 |
| %a.gep.5 = getelementptr i8, ptr %a, i32 5 |
| store i8 1, ptr %a.gep.5 |
| %b.gep.1 = getelementptr i8, ptr %b, i32 1 |
| store i8 2, ptr %b.gep.1 |
| %b.gep.5 = getelementptr i8, ptr %b, i32 5 |
| store i8 3, ptr %b.gep.5 |
| ret i32 %res |
| } |
| |
| declare i32 @memcmp(ptr, ptr, i64) |
| declare i32 @bcmp(ptr, ptr, i64) |
| |
| ; CHECK-LABEL: Function: test_bcmp_const_size |
| ; CHECK: Just Ref: Ptr: i8* %a <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %a.gep.1 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.5 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: NoModRef: Ptr: i8* %b.gep.5 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 4) |
| define i32 @test_bcmp_const_size(ptr noalias %a, ptr noalias %b) { |
| entry: |
| load i8, ptr %a |
| load i8, ptr %b |
| %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 4) |
| %a.gep.1 = getelementptr i8, ptr %a, i32 1 |
| store i8 0, ptr %a.gep.1 |
| %a.gep.5 = getelementptr i8, ptr %a, i32 5 |
| store i8 1, ptr %a.gep.5 |
| %b.gep.1 = getelementptr i8, ptr %b, i32 1 |
| store i8 2, ptr %b.gep.1 |
| %b.gep.5 = getelementptr i8, ptr %b, i32 5 |
| store i8 3, ptr %b.gep.5 |
| ret i32 %res |
| } |
| |
| ; CHECK-LABEL: Function: test_bcmp_variable_size |
| ; CHECK: Just Ref: Ptr: i8* %a <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %a.gep.1 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %a.gep.5 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.5 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 %n) |
| define i32 @test_bcmp_variable_size(ptr noalias %a, ptr noalias %b, i64 %n) { |
| entry: |
| load i8, ptr %a |
| load i8, ptr %b |
| %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 %n) |
| %a.gep.1 = getelementptr i8, ptr %a, i32 1 |
| store i8 0, ptr %a.gep.1 |
| %a.gep.5 = getelementptr i8, ptr %a, i32 5 |
| store i8 1, ptr %a.gep.5 |
| %b.gep.1 = getelementptr i8, ptr %b, i32 1 |
| store i8 2, ptr %b.gep.1 |
| %b.gep.5 = getelementptr i8, ptr %b, i32 5 |
| store i8 3, ptr %b.gep.5 |
| ret i32 %res |
| } |
| |
| declare ptr @memchr(ptr, i32, i64) |
| |
| ; CHECK-LABEL: Function: test_memchr_const_size |
| ; CHECK: Just Ref: Ptr: i8* %res <-> %res = call ptr @memchr(ptr %a, i32 42, i64 4) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %a.gep.1 <-> %res = call ptr @memchr(ptr %a, i32 42, i64 4) |
| ; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.5 <-> %res = call ptr @memchr(ptr %a, i32 42, i64 4) |
| define ptr @test_memchr_const_size(ptr noalias %a) { |
| entry: |
| %res = call ptr @memchr(ptr %a, i32 42, i64 4) |
| load i8, ptr %res |
| %a.gep.1 = getelementptr i8, ptr %a, i32 1 |
| store i8 0, ptr %a.gep.1 |
| %a.gep.5 = getelementptr i8, ptr %a, i32 5 |
| store i8 1, ptr %a.gep.5 |
| ret ptr %res |
| } |
| |
| declare ptr @memccpy(ptr, ptr, i32, i64) |
| |
| ; CHECK-LABEL: Function: test_memccpy_const_size |
| ; CHECK: Just Mod: Ptr: i8* %a <-> %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b <-> %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4) |
| ; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.5 <-> %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4) |
| ; CHECK-NEXT: NoModRef: Ptr: i8* %b.gep.5 <-> %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4) |
| |
| define ptr @test_memccpy_const_size(ptr noalias %a, ptr noalias %b) { |
| entry: |
| load i8, ptr %a |
| load i8, ptr %b |
| %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4) |
| load i8, ptr %res |
| %a.gep.1 = getelementptr i8, ptr %a, i32 1 |
| store i8 0, ptr %a.gep.1 |
| %a.gep.5 = getelementptr i8, ptr %a, i32 5 |
| store i8 1, ptr %a.gep.5 |
| %b.gep.1 = getelementptr i8, ptr %b, i32 1 |
| store i8 2, ptr %b.gep.1 |
| %b.gep.5 = getelementptr i8, ptr %b, i32 5 |
| store i8 3, ptr %b.gep.5 |
| ret ptr %res |
| } |
| |
| declare ptr @strcat(ptr, ptr) |
| |
| define ptr @test_strcat_read_write_after(ptr noalias %a, ptr noalias %b) { |
| ; CHECK-LABEL: Function: test_strcat_read_write_after |
| ; CHECK: NoModRef: Ptr: i8* %a <-> %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1) |
| ; CHECK-NEXT: NoModRef: Ptr: i8* %b <-> %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1) |
| ; CHECK-NEXT: Both ModRef: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1) |
| ; CHECK-NEXT: Both ModRef: Ptr: i8* %res <-> %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1) |
| ; CHECK-NEXT: Both ModRef: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.5 <-> %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1) |
| ; |
| entry: |
| store i8 0, ptr %a |
| store i8 2, ptr %b |
| %a.gep.1 = getelementptr i8, ptr %a, i32 1 |
| load i8, ptr %a.gep.1 |
| %b.gep.1 = getelementptr i8, ptr %b, i32 1 |
| load i8, ptr %b.gep.1 |
| %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1) |
| load i8, ptr %res |
| %a.gep.5 = getelementptr i8, ptr %a, i32 5 |
| store i8 1, ptr %a.gep.5 |
| %b.gep.5 = getelementptr i8, ptr %b, i32 5 |
| store i8 3, ptr %b.gep.5 |
| ret ptr %res |
| } |
| |
| declare ptr @strncat(ptr, ptr, i64) |
| |
| define ptr @test_strncat_read_write_after(ptr noalias %a, ptr noalias %b, i64 %n) { |
| ; CHECK-LABEL: Function: test_strncat_read_write_after |
| ; CHECK: NoModRef: Ptr: i8* %a <-> %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n) |
| ; CHECK-NEXT: NoModRef: Ptr: i8* %b <-> %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n) |
| ; CHECK-NEXT: Both ModRef: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n) |
| ; CHECK-NEXT: Both ModRef: Ptr: i8* %res <-> %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n) |
| ; CHECK-NEXT: Both ModRef: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.5 <-> %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n) |
| ; |
| entry: |
| store i8 0, ptr %a |
| store i8 2, ptr %b |
| %a.gep.1 = getelementptr i8, ptr %a, i32 1 |
| load i8, ptr %a.gep.1 |
| %b.gep.1 = getelementptr i8, ptr %b, i32 1 |
| load i8, ptr %b.gep.1 |
| %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n) |
| load i8, ptr %res |
| %a.gep.5 = getelementptr i8, ptr %a, i32 5 |
| store i8 1, ptr %a.gep.5 |
| %b.gep.5 = getelementptr i8, ptr %b, i32 5 |
| store i8 3, ptr %b.gep.5 |
| ret ptr %res |
| } |
| |
| declare ptr @strcpy(ptr, ptr) |
| |
| define ptr @test_strcpy_read_write_after(ptr noalias %a, ptr noalias %b) { |
| ; CHECK-LABEL: Function: test_strcpy_read_write_after |
| ; CHECK: NoModRef: Ptr: i8* %a <-> %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1) |
| ; CHECK-NEXT: NoModRef: Ptr: i8* %b <-> %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.5 <-> %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1) |
| ; |
| entry: |
| store i8 0, ptr %a |
| store i8 2, ptr %b |
| %a.gep.1 = getelementptr i8, ptr %a, i32 1 |
| load i8, ptr %a.gep.1 |
| %b.gep.1 = getelementptr i8, ptr %b, i32 1 |
| load i8, ptr %b.gep.1 |
| %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1) |
| load i8, ptr %res |
| %a.gep.5 = getelementptr i8, ptr %a, i32 5 |
| store i8 1, ptr %a.gep.5 |
| %b.gep.5 = getelementptr i8, ptr %b, i32 5 |
| store i8 3, ptr %b.gep.5 |
| ret ptr %res |
| } |
| |
| declare ptr @strncpy(ptr, ptr, i64) |
| |
| define ptr @test_strncpy_const_size(ptr noalias %a, ptr noalias %b) { |
| ; CHECK-LABEL: Function: test_strncpy_const_size |
| ; CHECK: Just Mod: Ptr: i8* %a <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4) |
| ; CHECK-NEXT: NoModRef: Ptr: i8* %b.gep.5 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4) |
| ; |
| entry: |
| load i8, ptr %a |
| load i8, ptr %b |
| %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4) |
| load i8, ptr %res |
| %a.gep.1 = getelementptr i8, ptr %a, i32 1 |
| store i8 0, ptr %a.gep.1 |
| %a.gep.5 = getelementptr i8, ptr %a, i32 5 |
| store i8 1, ptr %a.gep.5 |
| %b.gep.1 = getelementptr i8, ptr %b, i32 1 |
| store i8 2, ptr %b.gep.1 |
| %b.gep.5 = getelementptr i8, ptr %b, i32 5 |
| store i8 3, ptr %b.gep.5 |
| ret ptr %res |
| } |
| |
| define ptr @test_strncpy_variable_size(ptr noalias %a, ptr noalias %b, i64 %n) { |
| ; CHECK-LABEL: Function: test_strncpy_variable_size |
| ; CHECK: Just Mod: Ptr: i8* %a <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.5 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n) |
| ; |
| entry: |
| load i8, ptr %a |
| load i8, ptr %b |
| %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n) |
| load i8, ptr %res |
| %a.gep.1 = getelementptr i8, ptr %a, i32 1 |
| store i8 0, ptr %a.gep.1 |
| %a.gep.5 = getelementptr i8, ptr %a, i32 5 |
| store i8 1, ptr %a.gep.5 |
| %b.gep.1 = getelementptr i8, ptr %b, i32 1 |
| store i8 2, ptr %b.gep.1 |
| %b.gep.5 = getelementptr i8, ptr %b, i32 5 |
| store i8 3, ptr %b.gep.5 |
| ret ptr %res |
| } |
| |
| declare ptr @__memset_chk(ptr writeonly, i32, i64, i64) |
| |
| ; CHECK-LABEL: Function: test_memset_chk_const_size |
| define ptr @test_memset_chk_const_size(ptr noalias %a, i64 %n) { |
| ; CHECK: Just Mod: Ptr: i8* %a <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 4, i64 %n) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 4, i64 %n) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 4, i64 %n) |
| ; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 4, i64 %n) |
| ; |
| entry: |
| load i8, ptr %a |
| %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 4, i64 %n) |
| load i8, ptr %res |
| %a.gep.1 = getelementptr i8, ptr %a, i32 1 |
| store i8 0, ptr %a.gep.1 |
| %a.gep.5 = getelementptr i8, ptr %a, i32 5 |
| store i8 1, ptr %a.gep.5 |
| ret ptr %res |
| } |
| |
| define ptr @test_memset_chk_variable_size(ptr noalias %a, i64 %n.1, i64 %n.2) { |
| ; CHECK-LABEL: Function: test_memset_chk_variable_size |
| ; CHECK: Just Mod: Ptr: i8* %a <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 %n.1, i64 %n.2) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 %n.1, i64 %n.2) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 %n.1, i64 %n.2) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 %n.1, i64 %n.2) |
| ; |
| entry: |
| load i8, ptr %a |
| %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 %n.1, i64 %n.2) |
| load i8, ptr %res |
| %a.gep.1 = getelementptr i8, ptr %a, i32 1 |
| store i8 0, ptr %a.gep.1 |
| %a.gep.5 = getelementptr i8, ptr %a, i32 5 |
| store i8 1, ptr %a.gep.5 |
| ret ptr %res |
| } |
| |
| declare ptr @__memcpy_chk(ptr writeonly, ptr readonly, i64, i64) |
| |
| define ptr @test_memcpy_chk_const_size(ptr noalias %a, ptr noalias %b, i64 %n) { |
| ; CHECK-LABEL: Function: test_memcpy_chk_const_size |
| ; CHECK: Just Mod: Ptr: i8* %a <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 4, i64 %n) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 4, i64 %n) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 4, i64 %n) |
| ; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 4, i64 %n) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 4, i64 %n) |
| ; CHECK-NEXT: NoModRef: Ptr: i8* %b.gep.5 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 4, i64 %n) |
| ; |
| entry: |
| load i8, ptr %a |
| %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 4, i64 %n) |
| load i8, ptr %res |
| %a.gep.1 = getelementptr i8, ptr %a, i32 1 |
| store i8 0, ptr %a.gep.1 |
| %a.gep.5 = getelementptr i8, ptr %a, i32 5 |
| store i8 1, ptr %a.gep.5 |
| %b.gep.1 = getelementptr i8, ptr %b, i32 1 |
| store i8 0, ptr %b.gep.1 |
| %b.gep.5 = getelementptr i8, ptr %b, i32 5 |
| store i8 1, ptr %b.gep.5 |
| ret ptr %res |
| } |
| |
| define ptr @test_memcpy_chk_variable_size(ptr noalias %a, ptr noalias %b, i64 %n.1, i64 %n.2) { |
| ; CHECK-LABEL: Function: test_memcpy_chk_variable_size |
| ; CHECK: Just Mod: Ptr: i8* %a <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 %n.1, i64 %n.2) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 %n.1, i64 %n.2) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 %n.1, i64 %n.2) |
| ; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 %n.1, i64 %n.2) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 %n.1, i64 %n.2) |
| ; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.5 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 %n.1, i64 %n.2) |
| ; |
| entry: |
| load i8, ptr %a |
| %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 %n.1, i64 %n.2) |
| load i8, ptr %res |
| %a.gep.1 = getelementptr i8, ptr %a, i32 1 |
| store i8 0, ptr %a.gep.1 |
| %a.gep.5 = getelementptr i8, ptr %a, i32 5 |
| store i8 1, ptr %a.gep.5 |
| %b.gep.1 = getelementptr i8, ptr %b, i32 1 |
| store i8 0, ptr %b.gep.1 |
| %b.gep.5 = getelementptr i8, ptr %b, i32 5 |
| store i8 1, ptr %b.gep.5 |
| ret ptr %res |
| } |