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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
49 lines
1.5 KiB
LLVM
49 lines
1.5 KiB
LLVM
; RUN: llc -mtriple=thumbv4t-none--eabi < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V4T
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; RUN: llc -mtriple=thumbv6m-none--eabi < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V6M
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; CHECK-LABEL: test1
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define i32 @test1(i32* %p) {
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; Offsets less than 8 can be generated in a single add
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; CHECK: adds [[NEWBASE:r[0-9]]], r0, #4
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%1 = getelementptr inbounds i32, i32* %p, i32 1
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%2 = getelementptr inbounds i32, i32* %p, i32 2
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%3 = getelementptr inbounds i32, i32* %p, i32 3
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%4 = getelementptr inbounds i32, i32* %p, i32 4
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; CHECK-NEXT: ldm [[NEWBASE]],
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%5 = load i32, i32* %1, align 4
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%6 = load i32, i32* %2, align 4
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%7 = load i32, i32* %3, align 4
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%8 = load i32, i32* %4, align 4
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%9 = add nsw i32 %5, %6
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%10 = add nsw i32 %9, %7
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%11 = add nsw i32 %10, %8
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ret i32 %11
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}
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; CHECK-LABEL: test2
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define i32 @test2(i32* %p) {
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; Offsets >=8 require a mov and an add
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; CHECK-V4T: movs [[NEWBASE:r[0-9]]], r0
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; CHECK-V6M: mov [[NEWBASE:r[0-9]]], r0
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; CHECK-NEXT: adds [[NEWBASE]], #8
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%1 = getelementptr inbounds i32, i32* %p, i32 2
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%2 = getelementptr inbounds i32, i32* %p, i32 3
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%3 = getelementptr inbounds i32, i32* %p, i32 4
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%4 = getelementptr inbounds i32, i32* %p, i32 5
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; CHECK-NEXT: ldm [[NEWBASE]],
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%5 = load i32, i32* %1, align 4
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%6 = load i32, i32* %2, align 4
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%7 = load i32, i32* %3, align 4
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%8 = load i32, i32* %4, align 4
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%9 = add nsw i32 %5, %6
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%10 = add nsw i32 %9, %7
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%11 = add nsw i32 %10, %8
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ret i32 %11
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}
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