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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
33 lines
1.2 KiB
LLVM
33 lines
1.2 KiB
LLVM
; RUN: llc < %s -march=x86-64 | grep cmov | count 2
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; RUN: llc < %s -march=x86-64 | FileCheck %s
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; CHECK: jne
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; CHECK-NOT: jne
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; LSR's OptimizeMax function shouldn't try to eliminate this max, because
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; it has three operands.
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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"
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define void @foo(double* nocapture %p, i64 %x, i64 %y) nounwind {
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entry:
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%tmp = icmp eq i64 %y, 0 ; <i1> [#uses=1]
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%umax = select i1 %tmp, i64 1, i64 %y ; <i64> [#uses=2]
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%tmp8 = icmp ugt i64 %umax, %x ; <i1> [#uses=1]
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%umax9 = select i1 %tmp8, i64 %umax, i64 %x ; <i64> [#uses=1]
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br label %bb4
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bb4: ; preds = %bb4, %entry
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%i.07 = phi i64 [ 0, %entry ], [ %2, %bb4 ] ; <i64> [#uses=2]
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%scevgep = getelementptr double, double* %p, i64 %i.07 ; <double*> [#uses=2]
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%0 = load double, double* %scevgep, align 8 ; <double> [#uses=1]
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%1 = fmul double %0, 2.000000e+00 ; <double> [#uses=1]
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store double %1, double* %scevgep, align 8
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%2 = add i64 %i.07, 1 ; <i64> [#uses=2]
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%exitcond = icmp eq i64 %2, %umax9 ; <i1> [#uses=1]
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br i1 %exitcond, label %return, label %bb4
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return: ; preds = %bb4
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ret void
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}
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