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4e46779660
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
39 lines
1.4 KiB
LLVM
39 lines
1.4 KiB
LLVM
; RUN: llc -mtriple armv7-unknown -frame-pointer=all -filetype=asm -o - %s | FileCheck %s --check-prefix=CHECK-NO-CFI
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; RUN: llc -mtriple armv7-unknown -frame-pointer=all -filetype=asm -force-dwarf-frame-section -o - %s | FileCheck %s --check-prefix=CHECK-ALWAYS-CFI
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declare void @dummy_use(i32*, i32)
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define void @test_basic() #0 {
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%mem = alloca i32, i32 10
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call void @dummy_use (i32* %mem, i32 10)
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ret void
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}
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; CHECK-NO-CFI-LABEL: test_basic:
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; CHECK-NO-CFI: .fnstart
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; CHECK-NO-CFI-NOT: .cfi_sections .debug_frame
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; CHECK-NO-CFI-NOT: .cfi_startproc
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; CHECK-NO-CFI: @ %bb.0:
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; CHECK-NO-CFI: push {r11, lr}
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; CHECK-NO-CFI-NOT: .cfi_def_cfa_offset 8
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; CHECK-NO-CFI-NOT: .cfi_offset lr, -4
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; CHECK-NO-CFI-NOT: .cfi_offset r11, -8
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; CHECK-NO-CFI: mov r11, sp
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; CHECK-NO-CFI-NOT: .cfi_def_cfa_register r11
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; CHECK-NO-CFI-NOT: .cfi_endproc
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; CHECK-NO-CFI: .fnend
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; CHECK-ALWAYS-CFI-LABEL: test_basic:
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; CHECK-ALWAYS-CFI: .fnstart
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; CHECK-ALWAYS-CFI: .cfi_sections .debug_frame
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; CHECK-ALWAYS-CFI: .cfi_startproc
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; CHECK-ALWAYS-CFI: @ %bb.0:
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; CHECK-ALWAYS-CFI: push {r11, lr}
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; CHECK-ALWAYS-CFI: .cfi_def_cfa_offset 8
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; CHECK-ALWAYS-CFI: .cfi_offset lr, -4
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; CHECK-ALWAYS-CFI: .cfi_offset r11, -8
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; CHECK-ALWAYS-CFI: mov r11, sp
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; CHECK-ALWAYS-CFI: .cfi_def_cfa_register r11
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; CHECK-ALWAYS-CFI: .cfi_endproc
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; CHECK-ALWAYS-CFI: .fnend
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