mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-24 06:30:19 +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
235 lines
7.5 KiB
LLVM
235 lines
7.5 KiB
LLVM
; RUN: llc < %s -march=arm64 -verify-machineinstrs | FileCheck %s
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; RUN: llc < %s -march=arm64 -aarch64-unscaled-mem-op=true\
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; RUN: -verify-machineinstrs | FileCheck -check-prefix=LDUR_CHK %s
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; CHECK: ldp_int
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; CHECK: ldp
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define i32 @ldp_int(i32* %p) nounwind {
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%tmp = load i32, i32* %p, align 4
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%add.ptr = getelementptr inbounds i32, i32* %p, i64 1
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%tmp1 = load i32, i32* %add.ptr, align 4
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%add = add nsw i32 %tmp1, %tmp
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ret i32 %add
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}
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; CHECK: ldp_sext_int
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; CHECK: ldpsw
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define i64 @ldp_sext_int(i32* %p) nounwind {
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%tmp = load i32, i32* %p, align 4
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%add.ptr = getelementptr inbounds i32, i32* %p, i64 1
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%tmp1 = load i32, i32* %add.ptr, align 4
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%sexttmp = sext i32 %tmp to i64
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%sexttmp1 = sext i32 %tmp1 to i64
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%add = add nsw i64 %sexttmp1, %sexttmp
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ret i64 %add
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}
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; CHECK: ldp_long
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; CHECK: ldp
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define i64 @ldp_long(i64* %p) nounwind {
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%tmp = load i64, i64* %p, align 8
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%add.ptr = getelementptr inbounds i64, i64* %p, i64 1
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%tmp1 = load i64, i64* %add.ptr, align 8
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%add = add nsw i64 %tmp1, %tmp
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ret i64 %add
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}
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; CHECK: ldp_float
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; CHECK: ldp
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define float @ldp_float(float* %p) nounwind {
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%tmp = load float, float* %p, align 4
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%add.ptr = getelementptr inbounds float, float* %p, i64 1
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%tmp1 = load float, float* %add.ptr, align 4
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%add = fadd float %tmp, %tmp1
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ret float %add
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}
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; CHECK: ldp_double
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; CHECK: ldp
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define double @ldp_double(double* %p) nounwind {
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%tmp = load double, double* %p, align 8
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%add.ptr = getelementptr inbounds double, double* %p, i64 1
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%tmp1 = load double, double* %add.ptr, align 8
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%add = fadd double %tmp, %tmp1
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ret double %add
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}
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; Test the load/store optimizer---combine ldurs into a ldp, if appropriate
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define i32 @ldur_int(i32* %a) nounwind {
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; LDUR_CHK: ldur_int
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; LDUR_CHK: ldp [[DST1:w[0-9]+]], [[DST2:w[0-9]+]], [x0, #-8]
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; LDUR_CHK-NEXT: add w{{[0-9]+}}, [[DST2]], [[DST1]]
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; LDUR_CHK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i32 -1
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i32 -2
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%tmp2 = load i32, i32* %p2, align 2
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%tmp3 = add i32 %tmp1, %tmp2
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ret i32 %tmp3
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}
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define i64 @ldur_sext_int(i32* %a) nounwind {
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; LDUR_CHK: ldur_sext_int
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; LDUR_CHK: ldpsw [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-8]
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; LDUR_CHK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]]
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; LDUR_CHK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i32 -1
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i32 -2
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%tmp2 = load i32, i32* %p2, align 2
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%sexttmp1 = sext i32 %tmp1 to i64
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%sexttmp2 = sext i32 %tmp2 to i64
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%tmp3 = add i64 %sexttmp1, %sexttmp2
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ret i64 %tmp3
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}
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define i64 @ldur_long(i64* %a) nounwind ssp {
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; LDUR_CHK: ldur_long
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; LDUR_CHK: ldp [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-16]
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; LDUR_CHK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]]
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; LDUR_CHK-NEXT: ret
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%p1 = getelementptr inbounds i64, i64* %a, i64 -1
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%tmp1 = load i64, i64* %p1, align 2
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%p2 = getelementptr inbounds i64, i64* %a, i64 -2
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%tmp2 = load i64, i64* %p2, align 2
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%tmp3 = add i64 %tmp1, %tmp2
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ret i64 %tmp3
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}
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define float @ldur_float(float* %a) {
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; LDUR_CHK: ldur_float
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; LDUR_CHK: ldp [[DST1:s[0-9]+]], [[DST2:s[0-9]+]], [x0, #-8]
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; LDUR_CHK-NEXT: add s{{[0-9]+}}, [[DST2]], [[DST1]]
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; LDUR_CHK-NEXT: ret
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%p1 = getelementptr inbounds float, float* %a, i64 -1
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%tmp1 = load float, float* %p1, align 2
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%p2 = getelementptr inbounds float, float* %a, i64 -2
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%tmp2 = load float, float* %p2, align 2
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%tmp3 = fadd float %tmp1, %tmp2
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ret float %tmp3
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}
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define double @ldur_double(double* %a) {
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; LDUR_CHK: ldur_double
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; LDUR_CHK: ldp [[DST1:d[0-9]+]], [[DST2:d[0-9]+]], [x0, #-16]
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; LDUR_CHK-NEXT: add d{{[0-9]+}}, [[DST2]], [[DST1]]
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; LDUR_CHK-NEXT: ret
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%p1 = getelementptr inbounds double, double* %a, i64 -1
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%tmp1 = load double, double* %p1, align 2
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%p2 = getelementptr inbounds double, double* %a, i64 -2
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%tmp2 = load double, double* %p2, align 2
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%tmp3 = fadd double %tmp1, %tmp2
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ret double %tmp3
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}
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; Now check some boundary conditions
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define i64 @pairUpBarelyIn(i64* %a) nounwind ssp {
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; LDUR_CHK: pairUpBarelyIn
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; LDUR_CHK-NOT: ldur
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; LDUR_CHK: ldp [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-256]
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; LDUR_CHK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]]
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; LDUR_CHK-NEXT: ret
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%p1 = getelementptr inbounds i64, i64* %a, i64 -31
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%tmp1 = load i64, i64* %p1, align 2
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%p2 = getelementptr inbounds i64, i64* %a, i64 -32
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%tmp2 = load i64, i64* %p2, align 2
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%tmp3 = add i64 %tmp1, %tmp2
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ret i64 %tmp3
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}
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define i64 @pairUpBarelyInSext(i32* %a) nounwind ssp {
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; LDUR_CHK: pairUpBarelyInSext
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; LDUR_CHK-NOT: ldur
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; LDUR_CHK: ldpsw [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-256]
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; LDUR_CHK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]]
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; LDUR_CHK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i64 -63
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i64 -64
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%tmp2 = load i32, i32* %p2, align 2
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%sexttmp1 = sext i32 %tmp1 to i64
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%sexttmp2 = sext i32 %tmp2 to i64
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%tmp3 = add i64 %sexttmp1, %sexttmp2
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ret i64 %tmp3
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}
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define i64 @pairUpBarelyOut(i64* %a) nounwind ssp {
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; LDUR_CHK: pairUpBarelyOut
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; LDUR_CHK-NOT: ldp
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; Don't be fragile about which loads or manipulations of the base register
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; are used---just check that there isn't an ldp before the add
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; LDUR_CHK: add
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; LDUR_CHK-NEXT: ret
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%p1 = getelementptr inbounds i64, i64* %a, i64 -32
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%tmp1 = load i64, i64* %p1, align 2
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%p2 = getelementptr inbounds i64, i64* %a, i64 -33
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%tmp2 = load i64, i64* %p2, align 2
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%tmp3 = add i64 %tmp1, %tmp2
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ret i64 %tmp3
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}
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define i64 @pairUpBarelyOutSext(i32* %a) nounwind ssp {
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; LDUR_CHK: pairUpBarelyOutSext
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; LDUR_CHK-NOT: ldp
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; Don't be fragile about which loads or manipulations of the base register
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; are used---just check that there isn't an ldp before the add
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; LDUR_CHK: add
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; LDUR_CHK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i64 -64
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i64 -65
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%tmp2 = load i32, i32* %p2, align 2
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%sexttmp1 = sext i32 %tmp1 to i64
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%sexttmp2 = sext i32 %tmp2 to i64
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%tmp3 = add i64 %sexttmp1, %sexttmp2
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ret i64 %tmp3
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}
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define i64 @pairUpNotAligned(i64* %a) nounwind ssp {
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; LDUR_CHK: pairUpNotAligned
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; LDUR_CHK-NOT: ldp
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; LDUR_CHK: ldur
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; LDUR_CHK-NEXT: ldur
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; LDUR_CHK-NEXT: add
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; LDUR_CHK-NEXT: ret
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%p1 = getelementptr inbounds i64, i64* %a, i64 -18
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%bp1 = bitcast i64* %p1 to i8*
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%bp1p1 = getelementptr inbounds i8, i8* %bp1, i64 1
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%dp1 = bitcast i8* %bp1p1 to i64*
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%tmp1 = load i64, i64* %dp1, align 1
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%p2 = getelementptr inbounds i64, i64* %a, i64 -17
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%bp2 = bitcast i64* %p2 to i8*
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%bp2p1 = getelementptr inbounds i8, i8* %bp2, i64 1
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%dp2 = bitcast i8* %bp2p1 to i64*
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%tmp2 = load i64, i64* %dp2, align 1
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%tmp3 = add i64 %tmp1, %tmp2
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ret i64 %tmp3
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}
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define i64 @pairUpNotAlignedSext(i32* %a) nounwind ssp {
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; LDUR_CHK: pairUpNotAlignedSext
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; LDUR_CHK-NOT: ldp
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; LDUR_CHK: ldursw
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; LDUR_CHK-NEXT: ldursw
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; LDUR_CHK-NEXT: add
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; LDUR_CHK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i64 -18
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%bp1 = bitcast i32* %p1 to i8*
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%bp1p1 = getelementptr inbounds i8, i8* %bp1, i64 1
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%dp1 = bitcast i8* %bp1p1 to i32*
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%tmp1 = load i32, i32* %dp1, align 1
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%p2 = getelementptr inbounds i32, i32* %a, i64 -17
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%bp2 = bitcast i32* %p2 to i8*
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%bp2p1 = getelementptr inbounds i8, i8* %bp2, i64 1
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%dp2 = bitcast i8* %bp2p1 to i32*
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%tmp2 = load i32, i32* %dp2, align 1
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%sexttmp1 = sext i32 %tmp1 to i64
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%sexttmp2 = sext i32 %tmp2 to i64
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%tmp3 = add i64 %sexttmp1, %sexttmp2
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ret i64 %tmp3
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}
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