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llvm-mirror/test/CodeGen/Generic/stop-after.ll
Tom Roeder 740d86dc79 Add a new attribute called 'jumptable' that creates jump-instruction tables for functions marked with this attribute.
It includes a pass that rewrites all indirect calls to jumptable functions to pass through these tables.

This also adds backend support for generating the jump-instruction tables on ARM and X86.
Note that since the jumptable attribute creates a second function pointer for a
function, any function marked with jumptable must also be marked with unnamed_addr.

llvm-svn: 210280
2014-06-05 19:29:43 +00:00

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LLVM

; RUN: llc < %s -debug-pass=Structure -stop-after=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=STOP
; RUN: llc < %s -debug-pass=Structure -start-after=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=START
; STOP: -loop-reduce -print-module
; STOP: Loop Strength Reduction
; STOP-NEXT: Machine Function Analysis
; START: -machine-branch-prob -jump-instr-tables -gc-lowering
; START: FunctionPass Manager
; START-NEXT: Lower Garbage Collection Instructions