/* Contributed by Dodji Seketeli <dodji@redhat.com>
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/* Contributed by Dodji Seketeli <dodji@redhat.com>
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Origin: PR debug/37801
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Origin: PR debug/37801
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Abstract instances (DW_TAG_subroutines having the DW_AT_inline attribute)
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Abstract instances (DW_TAG_subroutines having the DW_AT_inline attribute)
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of second and first were having a DW_TAG_lexical_block DIE wrongly
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of second and first were having a DW_TAG_lexical_block DIE wrongly
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representing the inlined calls to third (in second) and to
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representing the inlined calls to third (in second) and to
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second (in first). At the same time, main didn't have children
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second (in first). At the same time, main didn't have children
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DW_TAG_inlined_subroutine DIEs representing the inlined calls to
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DW_TAG_inlined_subroutine DIEs representing the inlined calls to
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first, second and third.
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first, second and third.
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The ideal goal here is to test that we have no superfluous
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The ideal goal here is to test that we have no superfluous
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DW_TAG_lexical_block DIE anymore, that abstract instances DIEs have
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DW_TAG_lexical_block DIE anymore, that abstract instances DIEs have
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no descendant DIE with a DW_AT_abstract_origin attribute, and that main has
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no descendant DIE with a DW_AT_abstract_origin attribute, and that main has
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properly nested DW_TAG_inlined_subroutine DIEs for third, second and first.
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properly nested DW_TAG_inlined_subroutine DIEs for third, second and first.
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*/
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*/
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/* { dg-options "-O -g3 -dA" } */
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/* { dg-options "-O -g3 -gdwarf-2 -dA" } */
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/* { dg-do compile } */
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/* { dg-do compile } */
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/* There are 6 inlined subroutines:
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/* There are 6 inlined subroutines:
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- One for each subroutine inlined into main, that's 3.
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- One for each subroutine inlined into main, that's 3.
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- One for earch subroutine inline into the out of line instances
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- One for earch subroutine inline into the out of line instances
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of third, second and first. */
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of third, second and first. */
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/* { dg-final { scan-assembler-times "\\(DIE \\(.*?\\) DW_TAG_inlined_subroutine" 6 } } */
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/* { dg-final { scan-assembler-times "\\(DIE \\(.*?\\) DW_TAG_inlined_subroutine" 6 } } */
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/* Likewise we should have 6 DW_TAG_lexical_block DIEs:
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/* Likewise we should have 6 DW_TAG_lexical_block DIEs:
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- One for each subroutine inlined into main, so that's 3.
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- One for each subroutine inlined into main, so that's 3.
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- One for each subroutine inlined in the out of line instances
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- One for each subroutine inlined in the out of line instances
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of third, second and first, that's 3.
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of third, second and first, that's 3.
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*/
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*/
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/* { dg-final { scan-assembler-times "\\(DIE \\(.*?\\) DW_TAG_lexical_block" 6 } } */
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/* { dg-final { scan-assembler-times "\\(DIE \\(.*?\\) DW_TAG_lexical_block" 6 } } */
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/* There are 3 DW_AT_inline attributes: one per abstract inline instance.
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/* There are 3 DW_AT_inline attributes: one per abstract inline instance.
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The value of the attribute must be 0x3, meaning the function was
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The value of the attribute must be 0x3, meaning the function was
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actually inlined. */
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actually inlined. */
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/* { dg-final { scan-assembler-times "(?:byte|data1)\[^\n\]*0x3\[^\n\]* DW_AT_inline" 3 } } */
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/* { dg-final { scan-assembler-times "(?:byte|data1)\[^\n\]*0x3\[^\n\]* DW_AT_inline" 3 } } */
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volatile int *a;
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volatile int *a;
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inline void
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inline void
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third (int arg3)
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third (int arg3)
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{
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{
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int var3 = arg3;
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int var3 = arg3;
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a[0] = var3;
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a[0] = var3;
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}
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}
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inline void
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inline void
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second (int arg2)
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second (int arg2)
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{
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{
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int var2 = arg2;
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int var2 = arg2;
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third (var2+1);
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third (var2+1);
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}
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}
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inline void
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inline void
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first (int arg1)
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first (int arg1)
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{
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{
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int var1 = arg1;
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int var1 = arg1;
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second (var1+1);
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second (var1+1);
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}
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}
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int
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int
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main ()
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main ()
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{
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{
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int some_int = 1;
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int some_int = 1;
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first (some_int);
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first (some_int);
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return 0;
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return 0;
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}
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}
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