e0ac46e69d
This reverts commit d618f1c3b12effd0c2bdb7d02108d3551f389d3d. This commit wasn't reviewed ahead of time and significant concerns were raised immediately after it landed. According to our developer policy this warrants immediate revert of the commit. https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy Differential Revision: https://reviews.llvm.org/D155509
53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
// RUN: %clang_cc1 -triple i386-unknown-unknown -fblocks -emit-llvm %s -o - | FileCheck %s
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// CHECK: %[[STRUCT_A:.*]] = type { i8 }
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struct A
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{
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~A();
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};
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int foo(A);
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void bar(A &a)
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{
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// CHECK: call void asm
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asm("" : : "r"(foo(a)) ); // rdar://8540491
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// CHECK: call void @_ZN1AD1Ev
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}
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namespace TestTemplate {
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// Check that the temporary is destructed after the first asm statement.
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// CHECK: define {{.*}}void @_ZN12TestTemplate4foo0IvEEvR1A(
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// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_A]],
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// CHECK: %[[CALL:.*]] = call noundef i32 @_Z3foo1A({{.*}}%[[AGG_TMP]])
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// CHECK: call void asm sideeffect "", "r,~{dirflag},~{fpsr},~{flags}"(i32 %[[CALL]])
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// CHECK: call void @_ZN1AD1Ev({{.*}}%[[AGG_TMP]])
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// CHECK: call void asm sideeffect "",
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template <class T>
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void foo0(A &a) {
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asm("" : : "r"(foo(a)) );
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asm("");
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}
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void test0(A &a) { foo0<void>(a); }
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// Check that the block capture is destructed at the end of the enclosing scope.
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// CHECK: define {{.*}}void @_ZN12TestTemplate4foo1IvEEv1A(
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// CHECK: %[[BLOCK:.*]] = alloca <{ ptr, i32, i32, ptr, ptr, %[[STRUCT_A]] }>, align 4
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// CHECK: %[[BLOCK_CAPTURED:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, %[[STRUCT_A]] }>, ptr %[[BLOCK]], i32 0, i32 5
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// CHECK: call void asm sideeffect "", "r,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}})
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// CHECK: call void asm sideeffect "", "~{dirflag},~{fpsr},~{flags}"()
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// CHECK: call void @_ZN1AD1Ev({{.*}} %[[BLOCK_CAPTURED]])
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template <class T>
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void foo1(A a) {
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asm("" : : "r"(^{ (void)a; return 0; }()));
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asm("");
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}
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void test1(A &a) { foo1<void>(a); }
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} // namespace TestTemplate
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