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b9faf7c64f
Summary: In some cases LLVM (especially the SLP vectorizer) will create vectors that are 256 bytes (or larger). Given that this is intentional[0] is likely to get more common, this patch updates the StackMap binary format to deal with the spill locations for said vectors. This change also bumps the stack map version from 2 to 3. [0]: https://reviews.llvm.org/D32533#738350 Reviewers: reames, kavon, skatkov, javed.absar Subscribers: mcrosier, nemanjai, llvm-commits Differential Revision: https://reviews.llvm.org/D32629 llvm-svn: 301615
96 lines
1.9 KiB
LLVM
96 lines
1.9 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
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; CHECK-LABEL: .section __LLVM_STACKMAPS,__llvm_stackmaps
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; CHECK-NEXT: __LLVM_StackMaps:
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; version
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; CHECK-NEXT: .byte 3
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; reserved
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; CHECK-NEXT: .byte 0
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; reserved
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; CHECK-NEXT: .short 0
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; # functions
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; CHECK-NEXT: .long 2
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; # constants
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; CHECK-NEXT: .long 2
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; # records
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; CHECK-NEXT: .long 2
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; function address & stack size
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; CHECK-NEXT: .quad _foo
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; CHECK-NEXT: .quad 8
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; CHECK-NEXT: .quad 1
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; function address & stack size
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; CHECK-NEXT: .quad _bar
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; CHECK-NEXT: .quad 8
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; CHECK-NEXT: .quad 1
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; Constants Array:
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; CHECK-NEXT: .quad 9223372036854775807
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; CHECK-NEXT: .quad -9223372036854775808
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; Patchpoint ID
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; CHECK-NEXT: .quad 0
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; Instruction offset
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; CHECK-NEXT: .long L{{.*}}-_foo
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; reserved
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; CHECK-NEXT: .short 0
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; # locations
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; CHECK-NEXT: .short 1
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; ConstantIndex
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; CHECK-NEXT: .byte 5
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; reserved
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; CHECK-NEXT: .byte 0
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; size
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; CHECK-NEXT: .short 8
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; Dwarf RegNum
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; CHECK-NEXT: .short 0
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; reserved
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; CHECK-NEXT: .short 0
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; Offset
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; CHECK-NEXT: .long 0
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; padding
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; CHECK-NEXT: .p2align 3
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; CHECK-NEXT: .short 0
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; NumLiveOuts
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; CHECK-NEXT: .short 0
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; CHECK-NEXT: .p2align 3
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declare void @llvm.experimental.stackmap(i64, i32, ...)
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define void @foo() {
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 0, i32 0, i64 9223372036854775807)
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ret void
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}
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; Patchpoint ID
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; CHECK-NEXT: .quad 0
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; Instruction Offset
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; CHECK-NEXT: .long L{{.*}}-_bar
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; reserved
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; CHECK-NEXT: .short 0
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; # locations
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; CHECK-NEXT: .short 1
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; ConstantIndex
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; CHECK-NEXT: .byte 5
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; reserved
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; CHECK-NEXT: .byte 0
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; size
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; CHECK-NEXT: .short 8
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; Dwarf RegNum
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; CHECK-NEXT: .short 0
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; reserved
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; CHECK-NEXT: .short 0
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; Offset
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; CHECK-NEXT: .long 1
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; padding
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; CHECK-NEXT: .p2align 3
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; CHECK-NEXT: .short 0
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; NumLiveOuts
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; CHECK-NEXT: .short 0
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define void @bar() {
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 0, i32 0, i64 -9223372036854775808)
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ret void
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}
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