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| author | Dylan McKay <me@dylanmckay.io> | 2017-09-27 22:15:50 +0000 |
|---|---|---|
| committer | Dylan McKay <me@dylanmckay.io> | 2017-09-27 22:15:50 +0000 |
| commit | bc9510e749714e70ea96ee4feabdd476e55124e5 (patch) | |
| tree | 3ec5a0cf5ea8ba602280f35d0f672ac38c7f66ce /test | |
| parent | 164431e6002980a98c4cdf3df03e1698f7fc7d58 (diff) | |
Merging r312905:
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r312905 | dylanmckay | 2017-09-11 22:32:51 +1200 (Mon, 11 Sep 2017) | 10 lines
[AVR] Enable the '__do_copy_data' function
Also enables '__do_clear_bss'.
These functions are automaticalled called by the CRT if they are
declared.
We need these to be called otherwise RAM will start completely
uninitialised, even though we need to copy RAM variables from progmem to
RAM.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_50@314356 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/AVR/clear-bss.ll | 5 | ||||
| -rw-r--r-- | test/CodeGen/AVR/copy-data-to-ram.ll | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/test/CodeGen/AVR/clear-bss.ll b/test/CodeGen/AVR/clear-bss.ll new file mode 100644 index 000000000000..9c63815c098d --- /dev/null +++ b/test/CodeGen/AVR/clear-bss.ll @@ -0,0 +1,5 @@ +; RUN: llc < %s -march=avr | FileCheck %s + +; CHECK: .globl __do_clear_bss +@zeroed = internal constant [3 x i8] zeroinitializer + diff --git a/test/CodeGen/AVR/copy-data-to-ram.ll b/test/CodeGen/AVR/copy-data-to-ram.ll new file mode 100644 index 000000000000..021cc0f1a7f4 --- /dev/null +++ b/test/CodeGen/AVR/copy-data-to-ram.ll @@ -0,0 +1,5 @@ +; RUN: llc < %s -march=avr | FileCheck %s + +; CHECK: .globl __do_copy_data +@str = internal global [3 x i8] c"foo" + |