vitalybuka created this revision.
Herald added a project: All.
vitalybuka requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D129789
Files:
clang/test/CodeGen/lifetime.c
clang/test/CodeGen/lifetime2.c
Index: clang/test/CodeGen/lifetime2.c
===================================================================
--- clang/test/CodeGen/lifetime2.c
+++ clang/test/CodeGen/lifetime2.c
@@ -1,27 +1,27 @@
-// RUN: %clang_cc1 -no-opaque-pointers -S -emit-llvm -o - -O2 -disable-llvm-passes %s | FileCheck %s -check-prefixes=CHECK,O2
-// RUN: %clang_cc1 -no-opaque-pointers -S -emit-llvm -o - -O2 -disable-lifetime-markers %s \
-// RUN: | FileCheck %s -check-prefixes=CHECK,O0
-// RUN: %clang_cc1 -no-opaque-pointers -S -emit-llvm -o - -O0 %s | FileCheck %s -check-prefixes=CHECK,O0
+// RUN: %clang_cc1 -no-opaque-pointers -S -emit-llvm -o - -O2 -disable-llvm-passes %s | FileCheck %s --implicit-check-not="call void @llvm.lifetime" --check-prefixes=CHECK,O2
+// RUN: %clang_cc1 -no-opaque-pointers -S -emit-llvm -o - -O2 -disable-lifetime-markers %s | FileCheck %s --implicit-check-not="call void @llvm.lifetime" --check-prefixes=CHECK
+// RUN: %clang_cc1 -no-opaque-pointers -S -emit-llvm -o - -O0 %s | FileCheck %s --implicit-check-not="call void @llvm.lifetime" --check-prefixes=CHECK
extern int bar(char *A, int n);
// CHECK-LABEL: @foo
-// O0-NOT: @llvm.lifetime.start
int foo (int n) {
if (n) {
-// O2: @llvm.lifetime.start
+// O2: call void @llvm.lifetime.start.p0i8(i64 100,
char A[100];
return bar(A, 1);
+// O2: call void @llvm.lifetime.end.p0i8(i64 100,
} else {
-// O2: @llvm.lifetime.start
+// O2: call void @llvm.lifetime.start.p0i8(i64 100,
char A[100];
return bar(A, 2);
+// O2: call void @llvm.lifetime.end.p0i8(i64 100,
}
}
// CHECK-LABEL: @no_goto_bypass
void no_goto_bypass(void) {
- // O2: @llvm.lifetime.start.p0i8(i64 1
+ // O2: call void @llvm.lifetime.start.p0i8(i64 1,
char x;
l1:
bar(&x, 1);
@@ -29,14 +29,11 @@
bar(y, 5);
goto l1;
// Infinite loop
- // O2-NOT: @llvm.lifetime.end.p0i8(
}
// CHECK-LABEL: @goto_bypass
void goto_bypass(void) {
{
- // O2-NOT: @llvm.lifetime.start.p0i8(i64 1
- // O2-NOT: @llvm.lifetime.end.p0i8(i64 1
char x;
l1:
bar(&x, 1);
@@ -48,16 +45,16 @@
void no_switch_bypass(int n) {
switch (n) {
case 1: {
- // O2: @llvm.lifetime.start.p0i8(i64 1
- // O2: @llvm.lifetime.end.p0i8(i64 1
+ // O2: call void @llvm.lifetime.start.p0i8(i64 1,
+ // O2: call void @llvm.lifetime.end.p0i8(i64 1,
char x;
bar(&x, 1);
break;
}
case 2:
n = n;
- // O2: @llvm.lifetime.start.p0i8(i64 5
- // O2: @llvm.lifetime.end.p0i8(i64 5
+ // O2: call void @llvm.lifetime.start.p0i8(i64 5,
+ // O2: call void @llvm.lifetime.end.p0i8(i64 5,
char y[5];
bar(y, 5);
break;
@@ -69,8 +66,6 @@
switch (n) {
case 1:
n = n;
- // O2-NOT: @llvm.lifetime.start.p0i8(i64 1
- // O2-NOT: @llvm.lifetime.end.p0i8(i64 1
char x;
bar(&x, 1);
break;
@@ -83,23 +78,18 @@
// CHECK-LABEL: @indirect_jump
void indirect_jump(int n) {
char x;
- // O2-NOT: @llvm.lifetime
void *T[] = {&&L};
goto *T[n];
L:
bar(&x, 1);
}
-// O2-LABEL: @jump_backward_over_declaration(
-// O2: %[[p:.*]] = alloca i32*
-// O2: %[[v0:.*]] = bitcast i32** %[[p]] to i8*
-// O2: call void @llvm.lifetime.start.p0i8(i64 {{.*}}, i8* %[[v0]])
-// O2-NOT: call void @llvm.lifetime.start.p0i8(
-
extern void foo2(int p);
+// O2-LABEL: @jump_backward_over_declaration(
int jump_backward_over_declaration(int a) {
int *p = 0;
+// O2: call void @llvm.lifetime.start.p0i8(i64 8,
label1:
if (p) {
foo2(*p);
@@ -112,4 +102,5 @@
goto label1;
}
return -1;
+// O2: call void @llvm.lifetime.end.p0i8(i64 8,
}
Index: clang/test/CodeGen/lifetime.c
===================================================================
--- clang/test/CodeGen/lifetime.c
+++ clang/test/CodeGen/lifetime.c
@@ -1,13 +1,19 @@
-// RUN: %clang -S -emit-llvm -o - -O0 %s | FileCheck %s -check-prefix=O0
-// RUN: %clang -S -emit-llvm -o - -O1 %s | FileCheck %s -check-prefix=O1
-// RUN: %clang -S -emit-llvm -o - -O2 %s | FileCheck %s -check-prefix=O2
-// RUN: %clang -S -emit-llvm -o - -O3 %s | FileCheck %s -check-prefix=O3
+// RUN: %clang -S -emit-llvm -o - -O0 %s | FileCheck %s --implicit-check-not="call void @llvm.lifetime" -check-prefix=O0
+// RUN: %clang -S -emit-llvm -o - -O1 %s | FileCheck %s --implicit-check-not="call void @llvm.lifetime" -check-prefix=O1
+// R1UN: %clang -S -emit-llvm -o - -O2 %s | FileCheck %s --implicit-check-not="call void @llvm.lifetime" -check-prefix=O2
+// R1UN: %clang -S -emit-llvm -o - -O3 %s | FileCheck %s --implicit-check-not="call void @llvm.lifetime" -check-prefix=O3
extern void use(char *a);
__attribute__((always_inline)) void helper_no_markers(void) {
char a;
+ // O1: call void @llvm.lifetime.start.p0(i64 1,
+ // O2: call void @llvm.lifetime.start.p0(i64 1,
+ // O3: call void @llvm.lifetime.start.p0(i64 1,
use(&a);
+ // O1: call void @llvm.lifetime.end.p0(i64 1,
+ // O2: call void @llvm.lifetime.end.p0(i64 1,
+ // O3: call void @llvm.lifetime.end.p0(i64 1,
}
void lifetime_test(void) {
@@ -15,9 +21,11 @@
// O1: lifetime_test
// O2: lifetime_test
// O3: lifetime_test
-// O0-NOT: @llvm.lifetime.start
-// O1: @llvm.lifetime.start
-// O2: @llvm.lifetime.start
-// O3: @llvm.lifetime.start
+// O1: call void @llvm.lifetime.start.p0(i64 1,
+// O2: call void @llvm.lifetime.start.p0(i64 1,
+// O3: call void @llvm.lifetime.start.p0(i64 1,
helper_no_markers();
+// O1: call void @llvm.lifetime.end.p0(i64 1,
+// O2: call void @llvm.lifetime.end.p0(i64 1,
+// O3: call void @llvm.lifetime.end.p0(i64 1,
}
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