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b4728c12e8
This is a GNU attribute that allows split stacks to be turned off on a per-function basis. Differential Revision: http://reviews.llvm.org/D3817 llvm-svn: 209167
27 lines
831 B
C
27 lines
831 B
C
// RUN: %clang -target x86_64-linux-gnu -fsplit-stack -S %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-SEGSTK %s
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// RUN: %clang -target x86_64-linux-gnu -S %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-NOSEGSTK %s
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int foo() {
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return 0;
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}
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__attribute__((no_split_stack))
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int nosplit() {
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return 0;
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}
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int main() {
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return foo();
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}
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// CHECK-SEGSTK: define i32 @foo() [[SS:#[0-9]+]] {
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// CHECK-SEGSTK: define i32 @nosplit() [[NSS:#[0-9]+]] {
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// CHECK-SEGSTK: define i32 @main() [[SS]] {
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// CHECK-SEGSTK-NOT: [[NSS]] = { {{.*}} "split-stack" {{.*}} }
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// CHECK-SEGSTK: [[SS]] = { {{.*}} "split-stack" {{.*}} }
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// CHECK-SEGSTK-NOT: [[NSS]] = { {{.*}} "split-stack" {{.*}} }
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// CHECK-NOSEGSTK: define i32 @foo() #0 {
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// CHECK-NOSEGSTK: define i32 @main() #0 {
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// CHECK-NOSEGSTK-NOT: #0 = { {{.*}} "split-stack" {{.*}} }
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