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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
190 lines
6.2 KiB
LLVM
190 lines
6.2 KiB
LLVM
; RUN: llc -verify-machineinstrs %s -o - -mtriple=aarch64-linux-gnu -aarch64-atomic-cfg-tidy=0 | FileCheck %s
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@var8 = global i8 0
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@var16 = global i16 0
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@var32 = global i32 0
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@var64 = global i64 0
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define void @addsub_i8rhs() minsize {
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; CHECK-LABEL: addsub_i8rhs:
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%val8_tmp = load i8, i8* @var8
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%lhs32 = load i32, i32* @var32
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%lhs64 = load i64, i64* @var64
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; Need this to prevent extension upon load and give a vanilla i8 operand.
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%val8 = add i8 %val8_tmp, 123
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; Zero-extending to 32-bits
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%rhs32_zext = zext i8 %val8 to i32
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%res32_zext = add i32 %lhs32, %rhs32_zext
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store volatile i32 %res32_zext, i32* @var32
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; CHECK: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, uxtb
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%rhs32_zext_shift = shl i32 %rhs32_zext, 3
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%res32_zext_shift = add i32 %lhs32, %rhs32_zext_shift
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store volatile i32 %res32_zext_shift, i32* @var32
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; CHECK: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, uxtb #3
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; Zero-extending to 64-bits
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%rhs64_zext = zext i8 %val8 to i64
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%res64_zext = add i64 %lhs64, %rhs64_zext
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store volatile i64 %res64_zext, i64* @var64
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; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, {{w[0-9]+}}, uxtb
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%rhs64_zext_shift = shl i64 %rhs64_zext, 1
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%res64_zext_shift = add i64 %lhs64, %rhs64_zext_shift
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store volatile i64 %res64_zext_shift, i64* @var64
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; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, {{w[0-9]+}}, uxtb #1
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; Sign-extending to 32-bits
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%rhs32_sext = sext i8 %val8 to i32
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%res32_sext = add i32 %lhs32, %rhs32_sext
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store volatile i32 %res32_sext, i32* @var32
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; CHECK: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, sxtb
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%rhs32_sext_shift = shl i32 %rhs32_sext, 1
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%res32_sext_shift = add i32 %lhs32, %rhs32_sext_shift
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store volatile i32 %res32_sext_shift, i32* @var32
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; CHECK: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, sxtb #1
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; Sign-extending to 64-bits
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%rhs64_sext = sext i8 %val8 to i64
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%res64_sext = add i64 %lhs64, %rhs64_sext
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store volatile i64 %res64_sext, i64* @var64
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; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, {{w[0-9]+}}, sxtb
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%rhs64_sext_shift = shl i64 %rhs64_sext, 4
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%res64_sext_shift = add i64 %lhs64, %rhs64_sext_shift
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store volatile i64 %res64_sext_shift, i64* @var64
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; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, {{w[0-9]+}}, sxtb #4
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; CMP variants
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%tst = icmp slt i32 %lhs32, %rhs32_zext
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br i1 %tst, label %end, label %test2
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; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}, uxtb
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test2:
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%cmp_sext = sext i8 %val8 to i64
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%tst2 = icmp eq i64 %lhs64, %cmp_sext
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br i1 %tst2, label %other, label %end
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; CHECK: cmp {{x[0-9]+}}, {{w[0-9]+}}, sxtb
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other:
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store volatile i32 %lhs32, i32* @var32
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ret void
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end:
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ret void
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}
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define void @addsub_i16rhs() minsize {
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; CHECK-LABEL: addsub_i16rhs:
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%val16_tmp = load i16, i16* @var16
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%lhs32 = load i32, i32* @var32
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%lhs64 = load i64, i64* @var64
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; Need this to prevent extension upon load and give a vanilla i16 operand.
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%val16 = add i16 %val16_tmp, 123
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; Zero-extending to 32-bits
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%rhs32_zext = zext i16 %val16 to i32
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%res32_zext = add i32 %lhs32, %rhs32_zext
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store volatile i32 %res32_zext, i32* @var32
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; CHECK: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, uxth
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%rhs32_zext_shift = shl i32 %rhs32_zext, 3
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%res32_zext_shift = add i32 %lhs32, %rhs32_zext_shift
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store volatile i32 %res32_zext_shift, i32* @var32
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; CHECK: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, uxth #3
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; Zero-extending to 64-bits
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%rhs64_zext = zext i16 %val16 to i64
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%res64_zext = add i64 %lhs64, %rhs64_zext
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store volatile i64 %res64_zext, i64* @var64
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; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, {{w[0-9]+}}, uxth
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%rhs64_zext_shift = shl i64 %rhs64_zext, 1
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%res64_zext_shift = add i64 %lhs64, %rhs64_zext_shift
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store volatile i64 %res64_zext_shift, i64* @var64
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; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, {{w[0-9]+}}, uxth #1
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; Sign-extending to 32-bits
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%rhs32_sext = sext i16 %val16 to i32
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%res32_sext = add i32 %lhs32, %rhs32_sext
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store volatile i32 %res32_sext, i32* @var32
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; CHECK: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, sxth
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%rhs32_sext_shift = shl i32 %rhs32_sext, 1
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%res32_sext_shift = add i32 %lhs32, %rhs32_sext_shift
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store volatile i32 %res32_sext_shift, i32* @var32
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; CHECK: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, sxth #1
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; Sign-extending to 64-bits
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%rhs64_sext = sext i16 %val16 to i64
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%res64_sext = add i64 %lhs64, %rhs64_sext
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store volatile i64 %res64_sext, i64* @var64
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; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, {{w[0-9]+}}, sxth
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%rhs64_sext_shift = shl i64 %rhs64_sext, 4
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%res64_sext_shift = add i64 %lhs64, %rhs64_sext_shift
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store volatile i64 %res64_sext_shift, i64* @var64
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; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, {{w[0-9]+}}, sxth #4
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; CMP variants
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%tst = icmp slt i32 %lhs32, %rhs32_zext
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br i1 %tst, label %end, label %test2
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; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}, uxth
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test2:
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%cmp_sext = sext i16 %val16 to i64
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%tst2 = icmp eq i64 %lhs64, %cmp_sext
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br i1 %tst2, label %other, label %end
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; CHECK: cmp {{x[0-9]+}}, {{w[0-9]+}}, sxth
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other:
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store volatile i32 %lhs32, i32* @var32
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ret void
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end:
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ret void
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}
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; N.b. we could probably check more here ("add w2, w3, w1, uxtw" for
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; example), but the remaining instructions are probably not idiomatic
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; in the face of "add/sub (shifted register)" so I don't intend to.
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define void @addsub_i32rhs() minsize {
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; CHECK-LABEL: addsub_i32rhs:
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%val32_tmp = load i32, i32* @var32
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%lhs64 = load i64, i64* @var64
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%val32 = add i32 %val32_tmp, 123
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%rhs64_zext = zext i32 %val32 to i64
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%res64_zext = add i64 %lhs64, %rhs64_zext
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store volatile i64 %res64_zext, i64* @var64
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; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, {{w[0-9]+}}, uxtw
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%rhs64_zext_shift = shl i64 %rhs64_zext, 2
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%res64_zext_shift = add i64 %lhs64, %rhs64_zext_shift
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store volatile i64 %res64_zext_shift, i64* @var64
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; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, {{w[0-9]+}}, uxtw #2
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%rhs64_sext = sext i32 %val32 to i64
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%res64_sext = add i64 %lhs64, %rhs64_sext
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store volatile i64 %res64_sext, i64* @var64
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; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, {{w[0-9]+}}, sxtw
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%rhs64_sext_shift = shl i64 %rhs64_sext, 2
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%res64_sext_shift = add i64 %lhs64, %rhs64_sext_shift
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store volatile i64 %res64_sext_shift, i64* @var64
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; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, {{w[0-9]+}}, sxtw #2
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ret void
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}
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