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a72e83c26e
For historic reasons, the behavior of .align differs between targets. Fortunately, there are alternatives, .p2align and .balign, which make the interpretation of the parameter explicit, and which behave consistently across targets. This patch teaches MC to use .p2align instead of .align, so that people reading code for multiple architectures don't have to remember which way each platform does its .align directive. Differential Revision: http://reviews.llvm.org/D16549 llvm-svn: 258750
84 lines
1.7 KiB
LLVM
84 lines
1.7 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 1
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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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; function address & stack size
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; CHECK-NEXT: .quad _bar
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; CHECK-NEXT: .quad 8
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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 8
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; Dwarf RegNum
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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: .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 8
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; Dwarf RegNum
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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: .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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