Files
llvm-6502/test/Transforms/SimplifyCFG/X86/switch-table-bug.ll
David Blaikie 7c9c6ed761 [opaque pointer type] Add textual IR support for explicit type parameter to load instruction
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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-27 21:17:42 +00:00

42 lines
1.4 KiB
LLVM

; RUN: opt -S -simplifycfg < %s -mtriple=x86_64-apple-darwin12.0.0 | FileCheck %s
; rdar://17735071
target datalayout = "e-p:64:64:64-S128-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f16:16:16-f32:32:32-f64:64:64-f128:128:128-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin12.0.0"
; When tableindex can't fit into i2, we should extend the type to i3.
; CHECK-LABEL: @_TFO6reduce1E5toRawfS0_FT_Si
; CHECK: entry:
; CHECK-NEXT: sub i2 %0, -2
; CHECK-NEXT: zext i2 %switch.tableidx to i3
; CHECK-NEXT: getelementptr inbounds [4 x i64], [4 x i64]* @switch.table, i32 0, i3 %switch.tableidx.zext
; CHECK-NEXT: load i64, i64* %switch.gep
; CHECK-NEXT: ret i64 %switch.load
define i64 @_TFO6reduce1E5toRawfS0_FT_Si(i2) {
entry:
switch i2 %0, label %1 [
i2 0, label %2
i2 1, label %3
i2 -2, label %4
i2 -1, label %5
]
; <label>:1 ; preds = %entry
unreachable
; <label>:2 ; preds = %2
br label %6
; <label>:3 ; preds = %4
br label %6
; <label>:4 ; preds = %6
br label %6
; <label>:5 ; preds = %8
br label %6
; <label>:6 ; preds = %3, %5, %7, %9
%7 = phi i64 [ 3, %5 ], [ 2, %4 ], [ 1, %3 ], [ 0, %2 ]
ret i64 %7
}