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| author | David Candler <david.candler@arm.com> | 2019-10-31 08:55:57 +0000 |
|---|---|---|
| committer | David Candler <david.candler@arm.com> | 2019-10-31 09:48:30 +0000 |
| commit | 92aa0c2dbcb723d102c508f6e7559330b637f912 (patch) | |
| tree | c4935901211b87e2c4988d5a01110f9d3ce300f3 /llvm/test/CodeGen/ARM | |
| parent | 9c739252261ea762d1bbbd8234d93c9038711fcd (diff) | |
| download | bcm5719-llvm-92aa0c2dbcb723d102c508f6e7559330b637f912.tar.gz bcm5719-llvm-92aa0c2dbcb723d102c508f6e7559330b637f912.zip | |
[cfi] Add flag to always generate .debug_frame
This adds a flag to LLVM and clang to always generate a .debug_frame
section, even if other debug information is not being generated. In
situations where .eh_frame would normally be emitted, both .debug_frame
and .eh_frame will be used.
Differential Revision: https://reviews.llvm.org/D67216
Diffstat (limited to 'llvm/test/CodeGen/ARM')
| -rw-r--r-- | llvm/test/CodeGen/ARM/dwarf-frame.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/dwarf-frame.ll b/llvm/test/CodeGen/ARM/dwarf-frame.ll new file mode 100644 index 00000000000..a15c9c50f5a --- /dev/null +++ b/llvm/test/CodeGen/ARM/dwarf-frame.ll @@ -0,0 +1,38 @@ +; RUN: llc -mtriple armv7-unknown -frame-pointer=all -filetype=asm -o - %s | FileCheck %s --check-prefix=CHECK-NO-CFI +; RUN: llc -mtriple armv7-unknown -frame-pointer=all -filetype=asm -force-dwarf-frame-section -o - %s | FileCheck %s --check-prefix=CHECK-ALWAYS-CFI + +declare void @dummy_use(i32*, i32) + +define void @test_basic() #0 { + %mem = alloca i32, i32 10 + call void @dummy_use (i32* %mem, i32 10) + ret void +} + +; CHECK-NO-CFI-LABEL: test_basic: +; CHECK-NO-CFI: .fnstart +; CHECK-NO-CFI-NOT: .cfi_sections .debug_frame +; CHECK-NO-CFI-NOT: .cfi_startproc +; CHECK-NO-CFI: @ %bb.0: +; CHECK-NO-CFI: push {r11, lr} +; CHECK-NO-CFI-NOT: .cfi_def_cfa_offset 8 +; CHECK-NO-CFI-NOT: .cfi_offset lr, -4 +; CHECK-NO-CFI-NOT: .cfi_offset r11, -8 +; CHECK-NO-CFI: mov r11, sp +; CHECK-NO-CFI-NOT: .cfi_def_cfa_register r11 +; CHECK-NO-CFI-NOT: .cfi_endproc +; CHECK-NO-CFI: .fnend + +; CHECK-ALWAYS-CFI-LABEL: test_basic: +; CHECK-ALWAYS-CFI: .fnstart +; CHECK-ALWAYS-CFI: .cfi_sections .debug_frame +; CHECK-ALWAYS-CFI: .cfi_startproc +; CHECK-ALWAYS-CFI: @ %bb.0: +; CHECK-ALWAYS-CFI: push {r11, lr} +; CHECK-ALWAYS-CFI: .cfi_def_cfa_offset 8 +; CHECK-ALWAYS-CFI: .cfi_offset lr, -4 +; CHECK-ALWAYS-CFI: .cfi_offset r11, -8 +; CHECK-ALWAYS-CFI: mov r11, sp +; CHECK-ALWAYS-CFI: .cfi_def_cfa_register r11 +; CHECK-ALWAYS-CFI: .cfi_endproc +; CHECK-ALWAYS-CFI: .fnend |
