mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 11:13:28 +01:00
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
64 lines
2.3 KiB
LLVM
64 lines
2.3 KiB
LLVM
; RUN: llc -mtriple=thumbv7-apple-ios -disable-block-placement < %s | FileCheck %s
|
|
; RUN: llc -mtriple=armv7-apple-ios -disable-block-placement < %s | FileCheck %s
|
|
|
|
; LLVM IR optimizers canonicalize icmp+select this way.
|
|
; Make sure that TwoAddressInstructionPass can commute the corresponding
|
|
; MOVCC instructions to avoid excessive copies in one of the if blocks.
|
|
;
|
|
; CHECK: %if.then
|
|
; CHECK-NOT: mov
|
|
; CHECK: movlo
|
|
; CHECK: movlo
|
|
; CHECK-NOT: mov
|
|
|
|
; CHECK: %if.else
|
|
; CHECK-NOT: mov
|
|
; CHECK: movls
|
|
; CHECK: movls
|
|
; CHECK-NOT: mov
|
|
|
|
; This is really an LSR test: Make sure that cmp is using the incremented
|
|
; induction variable.
|
|
; CHECK: %if.end8
|
|
; CHECK: add{{(s|\.w)?}} [[IV:r[0-9]+]], {{.*}}#1
|
|
; CHECK: cmp [[IV]], #
|
|
|
|
define i32 @f(i32* nocapture %a, i32 %Pref) nounwind ssp {
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %entry, %if.end8
|
|
%i.012 = phi i32 [ 0, %entry ], [ %inc, %if.end8 ]
|
|
%BestCost.011 = phi i32 [ -1, %entry ], [ %BestCost.1, %if.end8 ]
|
|
%BestIdx.010 = phi i32 [ 0, %entry ], [ %BestIdx.1, %if.end8 ]
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i32 %i.012
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
%mul = mul i32 %0, %0
|
|
%sub = add nsw i32 %i.012, -5
|
|
%cmp2 = icmp eq i32 %sub, %Pref
|
|
br i1 %cmp2, label %if.else, label %if.then
|
|
|
|
if.then: ; preds = %for.body
|
|
%cmp3 = icmp ult i32 %mul, %BestCost.011
|
|
%i.0.BestIdx.0 = select i1 %cmp3, i32 %i.012, i32 %BestIdx.010
|
|
%mul.BestCost.0 = select i1 %cmp3, i32 %mul, i32 %BestCost.011
|
|
br label %if.end8
|
|
|
|
if.else: ; preds = %for.body
|
|
%cmp5 = icmp ugt i32 %mul, %BestCost.011
|
|
%BestIdx.0.i.0 = select i1 %cmp5, i32 %BestIdx.010, i32 %i.012
|
|
%BestCost.0.mul = select i1 %cmp5, i32 %BestCost.011, i32 %mul
|
|
br label %if.end8
|
|
|
|
if.end8: ; preds = %if.else, %if.then
|
|
%BestIdx.1 = phi i32 [ %i.0.BestIdx.0, %if.then ], [ %BestIdx.0.i.0, %if.else ]
|
|
%BestCost.1 = phi i32 [ %mul.BestCost.0, %if.then ], [ %BestCost.0.mul, %if.else ]
|
|
store i32 %mul, i32* %arrayidx, align 4
|
|
%inc = add i32 %i.012, 1
|
|
%cmp = icmp eq i32 %inc, 11
|
|
br i1 %cmp, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %if.end8
|
|
ret i32 %BestIdx.1
|
|
}
|