mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
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
156 lines
4.5 KiB
LLVM
156 lines
4.5 KiB
LLVM
; Replace a 'select' with 'or' in 'select - cmp [eq|ne] - br' sequence
|
|
; RUN: opt -instcombine -S < %s | FileCheck %s
|
|
|
|
%C = type <{ %struct.S }>
|
|
%struct.S = type { i64*, i32, i32 }
|
|
|
|
declare void @bar(%struct.S *) #1
|
|
declare void @foobar()
|
|
|
|
define void @test1(%C*) {
|
|
entry:
|
|
%1 = getelementptr inbounds %C, %C* %0, i64 0, i32 0, i32 0
|
|
%m = load i64*, i64** %1, align 8
|
|
%2 = getelementptr inbounds %C, %C* %0, i64 1, i32 0, i32 0
|
|
%n = load i64*, i64** %2, align 8
|
|
%3 = getelementptr inbounds i64, i64* %m, i64 9
|
|
%4 = bitcast i64* %3 to i64 (%C*)**
|
|
%5 = load i64 (%C*)*, i64 (%C*)** %4, align 8
|
|
%6 = icmp eq i64* %m, %n
|
|
%7 = select i1 %6, %C* %0, %C* null
|
|
%8 = icmp eq %C* %7, null
|
|
br i1 %8, label %12, label %10
|
|
|
|
; <label>:9 ; preds = %10, %12
|
|
ret void
|
|
|
|
; <label>:10 ; preds = %entry
|
|
%11 = getelementptr inbounds %C, %C* %7, i64 0, i32 0
|
|
tail call void @bar(%struct.S* %11)
|
|
br label %9
|
|
|
|
; <label>:12 ; preds = %entry
|
|
%13 = tail call i64 %5(%C* %0)
|
|
br label %9
|
|
; CHECK-LABEL: @test1(
|
|
; CHECK-NOT: select
|
|
; CHECK: or
|
|
; CHECK-NOT: select
|
|
}
|
|
|
|
define void @test2(%C*) {
|
|
entry:
|
|
%1 = getelementptr inbounds %C, %C* %0, i64 0, i32 0, i32 0
|
|
%m = load i64*, i64** %1, align 8
|
|
%2 = getelementptr inbounds %C, %C* %0, i64 1, i32 0, i32 0
|
|
%n = load i64*, i64** %2, align 8
|
|
%3 = getelementptr inbounds i64, i64* %m, i64 9
|
|
%4 = bitcast i64* %3 to i64 (%C*)**
|
|
%5 = load i64 (%C*)*, i64 (%C*)** %4, align 8
|
|
%6 = icmp eq i64* %m, %n
|
|
%7 = select i1 %6, %C* null, %C* %0
|
|
%8 = icmp eq %C* %7, null
|
|
br i1 %8, label %12, label %10
|
|
|
|
; <label>:9 ; preds = %10, %12
|
|
ret void
|
|
|
|
; <label>:10 ; preds = %entry
|
|
%11 = getelementptr inbounds %C, %C* %7, i64 0, i32 0
|
|
tail call void @bar(%struct.S* %11)
|
|
br label %9
|
|
|
|
; <label>:12 ; preds = %entry
|
|
%13 = tail call i64 %5(%C* %0)
|
|
br label %9
|
|
; CHECK-LABEL: @test2(
|
|
; CHECK-NOT: select
|
|
; CHECK: or
|
|
; CHECK-NOT: select
|
|
}
|
|
|
|
define void @test3(%C*) {
|
|
entry:
|
|
%1 = getelementptr inbounds %C, %C* %0, i64 0, i32 0, i32 0
|
|
%m = load i64*, i64** %1, align 8
|
|
%2 = getelementptr inbounds %C, %C* %0, i64 1, i32 0, i32 0
|
|
%n = load i64*, i64** %2, align 8
|
|
%3 = getelementptr inbounds i64, i64* %m, i64 9
|
|
%4 = bitcast i64* %3 to i64 (%C*)**
|
|
%5 = load i64 (%C*)*, i64 (%C*)** %4, align 8
|
|
%6 = icmp eq i64* %m, %n
|
|
%7 = select i1 %6, %C* %0, %C* null
|
|
%8 = icmp ne %C* %7, null
|
|
br i1 %8, label %10, label %12
|
|
|
|
; <label>:9 ; preds = %10, %12
|
|
ret void
|
|
|
|
; <label>:10 ; preds = %entry
|
|
%11 = getelementptr inbounds %C, %C* %7, i64 0, i32 0
|
|
tail call void @bar(%struct.S* %11)
|
|
br label %9
|
|
|
|
; <label>:12 ; preds = %entry
|
|
%13 = tail call i64 %5(%C* %0)
|
|
br label %9
|
|
; CHECK-LABEL: @test3(
|
|
; CHECK-NOT: select
|
|
; CHECK: or
|
|
; CHECK-NOT: select
|
|
}
|
|
|
|
define void @test4(%C*) {
|
|
entry:
|
|
%1 = getelementptr inbounds %C, %C* %0, i64 0, i32 0, i32 0
|
|
%m = load i64*, i64** %1, align 8
|
|
%2 = getelementptr inbounds %C, %C* %0, i64 1, i32 0, i32 0
|
|
%n = load i64*, i64** %2, align 8
|
|
%3 = getelementptr inbounds i64, i64* %m, i64 9
|
|
%4 = bitcast i64* %3 to i64 (%C*)**
|
|
%5 = load i64 (%C*)*, i64 (%C*)** %4, align 8
|
|
%6 = icmp eq i64* %m, %n
|
|
%7 = select i1 %6, %C* null, %C* %0
|
|
%8 = icmp ne %C* %7, null
|
|
br i1 %8, label %10, label %12
|
|
|
|
; <label>:9 ; preds = %10, %12
|
|
ret void
|
|
|
|
; <label>:10 ; preds = %entry
|
|
%11 = getelementptr inbounds %C, %C* %7, i64 0, i32 0
|
|
tail call void @bar(%struct.S* %11)
|
|
br label %9
|
|
|
|
; <label>:12 ; preds = %entry
|
|
%13 = tail call i64 %5(%C* %0)
|
|
br label %9
|
|
; CHECK-LABEL: @test4(
|
|
; CHECK-NOT: select
|
|
; CHECK: or
|
|
; CHECK-NOT: select
|
|
}
|
|
|
|
define void @test5(%C*, i1) {
|
|
entry:
|
|
%2 = select i1 %1, %C* null, %C* %0
|
|
%3 = icmp ne %C* %2, null
|
|
br i1 %3, label %5, label %7
|
|
|
|
; <label>:4 ; preds = %10, %12
|
|
ret void
|
|
|
|
; <label>:5 ; preds = %entry
|
|
%6 = getelementptr inbounds %C, %C* %2, i64 0, i32 0
|
|
tail call void @bar(%struct.S* %6)
|
|
br label %4
|
|
|
|
; <label>:7 ; preds = %entry
|
|
tail call void @foobar()
|
|
br label %4
|
|
; CHECK-LABEL: @test5(
|
|
; CHECK-NOT: select
|
|
; CHECK: or
|
|
; CHECK-NOT: select
|
|
}
|