mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-12-13 22:58:50 +00:00
ab043ff680
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
llvm-svn: 230794
41 lines
1.9 KiB
LLVM
41 lines
1.9 KiB
LLVM
; RUN: llc < %s -mtriple=thumb-apple-darwin -relocation-model=dynamic-no-pic -mcpu=cortex-a8 -asm-verbose=false | FileCheck %s
|
|
|
|
; We should be able to tail-duplicate the basic block containing the indirectbr
|
|
; into all of its predecessors.
|
|
; CHECK-LABEL: fn:
|
|
; CHECK: mov pc
|
|
; CHECK: mov pc
|
|
; CHECK: mov pc
|
|
|
|
@fn.codetable = internal unnamed_addr constant [3 x i8*] [i8* blockaddress(@fn, %RETURN), i8* blockaddress(@fn, %INCREMENT), i8* blockaddress(@fn, %DECREMENT)], align 4
|
|
|
|
define i32 @fn(i32* nocapture %opcodes) nounwind readonly ssp {
|
|
entry:
|
|
%0 = load i32, i32* %opcodes, align 4
|
|
%arrayidx = getelementptr inbounds [3 x i8*], [3 x i8*]* @fn.codetable, i32 0, i32 %0
|
|
br label %indirectgoto
|
|
|
|
INCREMENT: ; preds = %indirectgoto
|
|
%inc = add nsw i32 %result.0, 1
|
|
%1 = load i32, i32* %opcodes.addr.0, align 4
|
|
%arrayidx2 = getelementptr inbounds [3 x i8*], [3 x i8*]* @fn.codetable, i32 0, i32 %1
|
|
br label %indirectgoto
|
|
|
|
DECREMENT: ; preds = %indirectgoto
|
|
%dec = add nsw i32 %result.0, -1
|
|
%2 = load i32, i32* %opcodes.addr.0, align 4
|
|
%arrayidx4 = getelementptr inbounds [3 x i8*], [3 x i8*]* @fn.codetable, i32 0, i32 %2
|
|
br label %indirectgoto
|
|
|
|
indirectgoto: ; preds = %DECREMENT, %INCREMENT, %entry
|
|
%result.0 = phi i32 [ 0, %entry ], [ %dec, %DECREMENT ], [ %inc, %INCREMENT ]
|
|
%opcodes.pn = phi i32* [ %opcodes, %entry ], [ %opcodes.addr.0, %DECREMENT ], [ %opcodes.addr.0, %INCREMENT ]
|
|
%indirect.goto.dest.in = phi i8** [ %arrayidx, %entry ], [ %arrayidx4, %DECREMENT ], [ %arrayidx2, %INCREMENT ]
|
|
%opcodes.addr.0 = getelementptr inbounds i32, i32* %opcodes.pn, i32 1
|
|
%indirect.goto.dest = load i8*, i8** %indirect.goto.dest.in, align 4
|
|
indirectbr i8* %indirect.goto.dest, [label %RETURN, label %INCREMENT, label %DECREMENT]
|
|
|
|
RETURN: ; preds = %indirectgoto
|
|
ret i32 %result.0
|
|
}
|