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Add a test for C-style repr128 enum DWARF debuginfo

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beetrees 2022-10-06 15:14:29 +01:00
parent 25c1c635e5
commit 6f6eebde20
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2 changed files with 39 additions and 0 deletions
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16
src/test/run-make/repr128-dwarf/Makefile Normal file
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# ignore-windows
# This test should be replaced with one in src/test/debuginfo once GDB or LLDB support 128-bit
# enums.
include ../../run-make-fulldeps/tools.mk
all:
$(RUSTC) -Cdebuginfo=2 lib.rs -o $(TMPDIR)/repr128.rlib
"$(LLVM_BIN_DIR)"/llvm-dwarfdump -n U128A $(TMPDIR)/repr128.rlib | $(CGREP) "DW_AT_const_value (<0x10> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 )"
"$(LLVM_BIN_DIR)"/llvm-dwarfdump -n U128B $(TMPDIR)/repr128.rlib | $(CGREP) "DW_AT_const_value (<0x10> 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 )"
"$(LLVM_BIN_DIR)"/llvm-dwarfdump -n U128C $(TMPDIR)/repr128.rlib | $(CGREP) "DW_AT_const_value (<0x10> 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 )"
"$(LLVM_BIN_DIR)"/llvm-dwarfdump -n U128D $(TMPDIR)/repr128.rlib | $(CGREP) "DW_AT_const_value (<0x10> ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff )"
"$(LLVM_BIN_DIR)"/llvm-dwarfdump -n I128A $(TMPDIR)/repr128.rlib | $(CGREP) "DW_AT_const_value (<0x10> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 )"
"$(LLVM_BIN_DIR)"/llvm-dwarfdump -n I128B $(TMPDIR)/repr128.rlib | $(CGREP) "DW_AT_const_value (<0x10> ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff )"
"$(LLVM_BIN_DIR)"/llvm-dwarfdump -n I128C $(TMPDIR)/repr128.rlib | $(CGREP) "DW_AT_const_value (<0x10> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80 )"
"$(LLVM_BIN_DIR)"/llvm-dwarfdump -n I128D $(TMPDIR)/repr128.rlib | $(CGREP) "DW_AT_const_value (<0x10> ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff 7f )"

23
src/test/run-make/repr128-dwarf/lib.rs Normal file
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#![crate_type = "lib"]
#![feature(repr128)]
// Use .to_le() to ensure that the bytes are in the same order on both little- and big-endian
// platforms.
#[repr(u128)]
pub enum U128Enum {
U128A = 0_u128.to_le(),
U128B = 1_u128.to_le(),
U128C = (u64::MAX as u128 + 1).to_le(),
U128D = u128::MAX.to_le(),
}
#[repr(i128)]
pub enum I128Enum {
I128A = 0_i128.to_le(),
I128B = (-1_i128).to_le(),
I128C = i128::MIN.to_le(),
I128D = i128::MAX.to_le(),
}
pub fn f(_: U128Enum, _: I128Enum) {}