xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGen/lifetime.c (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338) 
1*f4a2713aSLionel Sambuc // RUN: %clang -S -emit-llvm -o - -O0 %s | FileCheck %s -check-prefix=O0
2*f4a2713aSLionel Sambuc // RUN: %clang -S -emit-llvm -o - -O1 %s | FileCheck %s -check-prefix=O1
3*f4a2713aSLionel Sambuc // RUN: %clang -S -emit-llvm -o - -O2 %s | FileCheck %s -check-prefix=O2
4*f4a2713aSLionel Sambuc // RUN: %clang -S -emit-llvm -o - -O3 %s | FileCheck %s -check-prefix=O3
5*f4a2713aSLionel Sambuc 
6*f4a2713aSLionel Sambuc extern void use(char *a);
7*f4a2713aSLionel Sambuc 
helper_no_markers()8*f4a2713aSLionel Sambuc __attribute__((always_inline)) void helper_no_markers() {
9*f4a2713aSLionel Sambuc   char a;
10*f4a2713aSLionel Sambuc   use(&a);
11*f4a2713aSLionel Sambuc }
12*f4a2713aSLionel Sambuc 
lifetime_test()13*f4a2713aSLionel Sambuc void lifetime_test() {
14*f4a2713aSLionel Sambuc // O0: lifetime_test
15*f4a2713aSLionel Sambuc // O1: lifetime_test
16*f4a2713aSLionel Sambuc // O2: lifetime_test
17*f4a2713aSLionel Sambuc // O3: lifetime_test
18*f4a2713aSLionel Sambuc // O0-NOT: @llvm.lifetime.start
19*f4a2713aSLionel Sambuc // O1: @llvm.lifetime.start
20*f4a2713aSLionel Sambuc // O2: @llvm.lifetime.start
21*f4a2713aSLionel Sambuc // O3: @llvm.lifetime.start
22*f4a2713aSLionel Sambuc   helper_no_markers();
23*f4a2713aSLionel Sambuc }
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