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45 lines
1.4 KiB
ArmAsm
45 lines
1.4 KiB
ArmAsm
## This reproduces a bug with dynostats when trying to compute branch stats
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## at a block with two tails calls (one conditional and one unconditional).
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# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown \
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# RUN: %s -o %t.o
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# RUN: link_fdata %s %t.o %t.fdata
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# RUN: llvm-strip --strip-unneeded %t.o
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# RUN: %clang %cflags %t.o -o %t.exe -Wl,-q -nostdlib
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# RUN: llvm-bolt %t.exe -o %t.out --data %t.fdata --lite=0 --dyno-stats \
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# RUN: --print-sctc --print-only=_start -enable-bat 2>&1 | FileCheck %s
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# RUN: llvm-objdump --syms %t.out > %t.log
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# RUN: llvm-bat-dump %t.out --dump-all >> %t.log
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# RUN: FileCheck %s --input-file %t.log --check-prefix=CHECK-BAT
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# CHECK-NOT: Assertion `BranchInfo.size() == 2 && "could only be called for blocks with 2 successors"' failed.
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# Two tail calls in the same basic block after SCTC:
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# CHECK: {{.*}}: ja {{.*}} # TAILCALL # Offset: 7 # CTCTakenCount: 4
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# CHECK-NEXT: {{.*}}: jmp {{.*}} # TAILCALL # Offset: 13
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## Confirm that a deleted basic block is emitted at function end offset (0xe)
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# CHECK-BAT: [[#%x,ADDR:]] g .text [[#%x,SIZE:]] _start
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# CHECK-BAT: Function Address: 0x[[#%x,ADDR]]
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# CHECK-BAT: 0x[[#%x,SIZE]]
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# CHECK-BAT: NumBlocks: 5
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.globl _start
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_start:
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je x
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a: ja b
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jmp c
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x: ret
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# FDATA: 1 _start #a# 1 _start #b# 2 4
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b: jmp e
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c:
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.nops 1
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jmp f
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.globl e
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e:
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nop
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.globl f
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f:
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nop
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