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https://github.com/c64scene-ar/llvm-6502.git
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7c9c6ed761
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
62 lines
1.5 KiB
LLVM
62 lines
1.5 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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; These should be InstSimplify checks, but most of the code
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; is currently only in InstCombine. TODO: move supporting code
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; Definitely out of range
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define i1 @test_nonzero(i32* nocapture readonly %arg) {
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; CHECK-LABEL:test_nonzero
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; CHECK: ret i1 true
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%val = load i32, i32* %arg, !range !0
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%rval = icmp ne i32 %val, 0
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ret i1 %rval
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}
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define i1 @test_nonzero2(i32* nocapture readonly %arg) {
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; CHECK-LABEL:test_nonzero2
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; CHECK: ret i1 false
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%val = load i32, i32* %arg, !range !0
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%rval = icmp eq i32 %val, 0
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ret i1 %rval
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}
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; Potentially in range
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define i1 @test_nonzero3(i32* nocapture readonly %arg) {
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; CHECK-LABEL: test_nonzero3
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; Check that this does not trigger - it wouldn't be legal
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; CHECK: icmp
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%val = load i32, i32* %arg, !range !1
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%rval = icmp ne i32 %val, 0
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ret i1 %rval
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}
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; Definitely in range
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define i1 @test_nonzero4(i8* nocapture readonly %arg) {
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; CHECK-LABEL: test_nonzero4
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; CHECK: ret i1 false
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%val = load i8, i8* %arg, !range !2
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%rval = icmp ne i8 %val, 0
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ret i1 %rval
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}
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define i1 @test_nonzero5(i8* nocapture readonly %arg) {
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; CHECK-LABEL: test_nonzero5
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; CHECK: ret i1 false
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%val = load i8, i8* %arg, !range !2
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%rval = icmp ugt i8 %val, 0
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ret i1 %rval
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}
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; Cheaper checks (most values in range meet requirements)
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define i1 @test_nonzero6(i8* %argw) {
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; CHECK-LABEL: test_nonzero6
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; CHECK: icmp ne i8 %val, 0
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%val = load i8, i8* %argw, !range !3
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%rval = icmp sgt i8 %val, 0
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ret i1 %rval
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}
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!0 = !{i32 1, i32 6}
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!1 = !{i32 0, i32 6}
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!2 = !{i8 0, i8 1}
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!3 = !{i8 0, i8 6}
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