llvm-6502/test/Transforms/IndVarSimplify/2011-09-27-hoistsext.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

29 lines
914 B
LLVM

; RUN: opt < %s -indvars -S | FileCheck %s
; Test indvars' ability to hoist new sext created by WidenIV.
; From ffbench.
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
define internal double @fourn(double* %data, i32 %x, i32 %y, i32 %n) nounwind {
; CHECK: entry:
; CHECK: sext
; CHECK: sext
entry:
br label %for.body
; CHECK: for.body:
; CHECK-NOT: sext
; CHECK: br
for.body:
%i2.115 = phi i32 [ 0, %entry ], [ %add249, %for.body ]
%add174 = add nsw i32 %i2.115, %x
%idxprom177 = sext i32 %add174 to i64
%arrayidx179 = getelementptr inbounds double, double* %data, i64 %idxprom177
%tmp180 = load double, double* %arrayidx179, align 8
%add249 = add nsw i32 %i2.115, %y
%cmp168 = icmp sgt i32 %add249, %n
br i1 %cmp168, label %exit, label %for.body
exit:
ret double %tmp180
}