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https://github.com/RPCS3/llvm-mirror.git
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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
278 lines
9.3 KiB
LLVM
278 lines
9.3 KiB
LLVM
; Test the saving and restoring of GPRs in large frames.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; This is the largest frame size that can use a plain LMG for %r6 and above.
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; It is big enough to require two emergency spill slots at 160(%r15),
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; so get a frame of size 524232 by allocating (524232 - 176) / 8 = 65507
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; extra doublewords.
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define void @f1(i32 *%ptr, i64 %x) {
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; CHECK-LABEL: f1:
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; CHECK: stmg %r6, %r15, 48(%r15)
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; CHECK: .cfi_offset %r6, -112
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; CHECK: .cfi_offset %r7, -104
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; CHECK: .cfi_offset %r8, -96
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; CHECK: .cfi_offset %r9, -88
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; CHECK: .cfi_offset %r10, -80
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; CHECK: .cfi_offset %r11, -72
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; CHECK: .cfi_offset %r12, -64
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; CHECK: .cfi_offset %r13, -56
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; CHECK: .cfi_offset %r14, -48
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; CHECK: .cfi_offset %r15, -40
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; CHECK: agfi %r15, -524232
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; CHECK: .cfi_def_cfa_offset 524392
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; ...main function body...
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; CHECK-NOT: ag
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; CHECK: lmg %r6, %r15, 524280(%r15)
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; CHECK: br %r14
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%l0 = load volatile i32 , i32 *%ptr
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%l1 = load volatile i32 , i32 *%ptr
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%l4 = load volatile i32 , i32 *%ptr
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%l5 = load volatile i32 , i32 *%ptr
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%l6 = load volatile i32 , i32 *%ptr
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%l7 = load volatile i32 , i32 *%ptr
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%l8 = load volatile i32 , i32 *%ptr
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%l9 = load volatile i32 , i32 *%ptr
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%l10 = load volatile i32 , i32 *%ptr
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%l11 = load volatile i32 , i32 *%ptr
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%l12 = load volatile i32 , i32 *%ptr
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%l13 = load volatile i32 , i32 *%ptr
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%l14 = load volatile i32 , i32 *%ptr
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%add0 = add i32 %l0, %l0
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%add1 = add i32 %l1, %add0
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%add4 = add i32 %l4, %add1
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%add5 = add i32 %l5, %add4
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%add6 = add i32 %l6, %add5
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%add7 = add i32 %l7, %add6
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%add8 = add i32 %l8, %add7
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%add9 = add i32 %l9, %add8
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%add10 = add i32 %l10, %add9
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%add11 = add i32 %l11, %add10
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%add12 = add i32 %l12, %add11
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%add13 = add i32 %l13, %add12
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%add14 = add i32 %l14, %add13
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store volatile i32 %add0, i32 *%ptr
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store volatile i32 %add1, i32 *%ptr
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store volatile i32 %add4, i32 *%ptr
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store volatile i32 %add5, i32 *%ptr
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store volatile i32 %add6, i32 *%ptr
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store volatile i32 %add7, i32 *%ptr
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store volatile i32 %add8, i32 *%ptr
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store volatile i32 %add9, i32 *%ptr
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store volatile i32 %add10, i32 *%ptr
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store volatile i32 %add11, i32 *%ptr
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store volatile i32 %add12, i32 *%ptr
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store volatile i32 %add13, i32 *%ptr
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store volatile i32 %add14, i32 *%ptr
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%y = alloca [65507 x i64], align 8
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%entry = getelementptr inbounds [65507 x i64], [65507 x i64]* %y, i64 0, i64 0
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store volatile i64 %x, i64* %entry
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ret void
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}
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; This is the largest frame size that can use a plain LMG for %r14 and above
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; It is big enough to require two emergency spill slots at 160(%r15),
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; so get a frame of size 524168 by allocating (524168 - 176) / 8 = 65499
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; extra doublewords.
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define void @f2(i32 *%ptr, i64 %x) {
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; CHECK-LABEL: f2:
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; CHECK: stmg %r14, %r15, 112(%r15)
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; CHECK: .cfi_offset %r14, -48
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; CHECK: .cfi_offset %r15, -40
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; CHECK: agfi %r15, -524168
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; CHECK: .cfi_def_cfa_offset 524328
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; ...main function body...
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; CHECK-NOT: ag
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; CHECK: lmg %r14, %r15, 524280(%r15)
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; CHECK: br %r14
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%l0 = load volatile i32 , i32 *%ptr
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%l1 = load volatile i32 , i32 *%ptr
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%l4 = load volatile i32 , i32 *%ptr
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%l5 = load volatile i32 , i32 *%ptr
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%l14 = load volatile i32 , i32 *%ptr
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%add0 = add i32 %l0, %l0
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%add1 = add i32 %l1, %add0
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%add4 = add i32 %l4, %add1
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%add5 = add i32 %l5, %add4
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%add14 = add i32 %l14, %add5
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store volatile i32 %add0, i32 *%ptr
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store volatile i32 %add1, i32 *%ptr
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store volatile i32 %add4, i32 *%ptr
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store volatile i32 %add5, i32 *%ptr
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store volatile i32 %add14, i32 *%ptr
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%y = alloca [65499 x i64], align 8
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%entry = getelementptr inbounds [65499 x i64], [65499 x i64]* %y, i64 0, i64 0
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store volatile i64 %x, i64* %entry
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ret void
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}
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; Like f1 but with a frame that is 8 bytes bigger. This is the smallest
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; frame size that needs two instructions to perform the final LMG for
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; %r6 and above.
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define void @f3(i32 *%ptr, i64 %x) {
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; CHECK-LABEL: f3:
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; CHECK: stmg %r6, %r15, 48(%r15)
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; CHECK: .cfi_offset %r6, -112
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; CHECK: .cfi_offset %r7, -104
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; CHECK: .cfi_offset %r8, -96
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; CHECK: .cfi_offset %r9, -88
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; CHECK: .cfi_offset %r10, -80
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; CHECK: .cfi_offset %r11, -72
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; CHECK: .cfi_offset %r12, -64
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; CHECK: .cfi_offset %r13, -56
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; CHECK: .cfi_offset %r14, -48
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; CHECK: .cfi_offset %r15, -40
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; CHECK: agfi %r15, -524240
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; CHECK: .cfi_def_cfa_offset 524400
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; ...main function body...
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; CHECK: aghi %r15, 8
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; CHECK: lmg %r6, %r15, 524280(%r15)
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; CHECK: br %r14
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%l0 = load volatile i32 , i32 *%ptr
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%l1 = load volatile i32 , i32 *%ptr
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%l4 = load volatile i32 , i32 *%ptr
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%l5 = load volatile i32 , i32 *%ptr
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%l6 = load volatile i32 , i32 *%ptr
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%l7 = load volatile i32 , i32 *%ptr
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%l8 = load volatile i32 , i32 *%ptr
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%l9 = load volatile i32 , i32 *%ptr
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%l10 = load volatile i32 , i32 *%ptr
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%l11 = load volatile i32 , i32 *%ptr
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%l12 = load volatile i32 , i32 *%ptr
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%l13 = load volatile i32 , i32 *%ptr
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%l14 = load volatile i32 , i32 *%ptr
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%add0 = add i32 %l0, %l0
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%add1 = add i32 %l1, %add0
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%add4 = add i32 %l4, %add1
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%add5 = add i32 %l5, %add4
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%add6 = add i32 %l6, %add5
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%add7 = add i32 %l7, %add6
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%add8 = add i32 %l8, %add7
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%add9 = add i32 %l9, %add8
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%add10 = add i32 %l10, %add9
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%add11 = add i32 %l11, %add10
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%add12 = add i32 %l12, %add11
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%add13 = add i32 %l13, %add12
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%add14 = add i32 %l14, %add13
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store volatile i32 %add0, i32 *%ptr
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store volatile i32 %add1, i32 *%ptr
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store volatile i32 %add4, i32 *%ptr
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store volatile i32 %add5, i32 *%ptr
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store volatile i32 %add6, i32 *%ptr
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store volatile i32 %add7, i32 *%ptr
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store volatile i32 %add8, i32 *%ptr
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store volatile i32 %add9, i32 *%ptr
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store volatile i32 %add10, i32 *%ptr
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store volatile i32 %add11, i32 *%ptr
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store volatile i32 %add12, i32 *%ptr
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store volatile i32 %add13, i32 *%ptr
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store volatile i32 %add14, i32 *%ptr
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%y = alloca [65508 x i64], align 8
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%entry = getelementptr inbounds [65508 x i64], [65508 x i64]* %y, i64 0, i64 0
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store volatile i64 %x, i64* %entry
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ret void
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}
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; Like f2 but with a frame that is 8 bytes bigger. This is the smallest
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; frame size that needs two instructions to perform the final LMG for
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; %r14 and %r15.
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define void @f4(i32 *%ptr, i64 %x) {
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; CHECK-LABEL: f4:
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; CHECK: stmg %r14, %r15, 112(%r15)
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; CHECK: .cfi_offset %r14, -48
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; CHECK: .cfi_offset %r15, -40
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; CHECK: agfi %r15, -524176
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; CHECK: .cfi_def_cfa_offset 524336
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; ...main function body...
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; CHECK: aghi %r15, 8
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; CHECK: lmg %r14, %r15, 524280(%r15)
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; CHECK: br %r14
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%l0 = load volatile i32 , i32 *%ptr
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%l1 = load volatile i32 , i32 *%ptr
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%l4 = load volatile i32 , i32 *%ptr
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%l5 = load volatile i32 , i32 *%ptr
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%l14 = load volatile i32 , i32 *%ptr
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%add0 = add i32 %l0, %l0
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%add1 = add i32 %l1, %add0
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%add4 = add i32 %l4, %add1
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%add5 = add i32 %l5, %add4
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%add14 = add i32 %l14, %add5
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store volatile i32 %add0, i32 *%ptr
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store volatile i32 %add1, i32 *%ptr
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store volatile i32 %add4, i32 *%ptr
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store volatile i32 %add5, i32 *%ptr
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store volatile i32 %add14, i32 *%ptr
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%y = alloca [65500 x i64], align 8
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%entry = getelementptr inbounds [65500 x i64], [65500 x i64]* %y, i64 0, i64 0
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store volatile i64 %x, i64* %entry
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ret void
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}
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; This is the largest frame size for which the preparatory increment for
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; "lmg %r14, %r15, ..." can be done using AGHI.
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define void @f5(i32 *%ptr, i64 %x) {
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; CHECK-LABEL: f5:
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; CHECK: stmg %r14, %r15, 112(%r15)
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; CHECK: .cfi_offset %r14, -48
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; CHECK: .cfi_offset %r15, -40
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; CHECK: agfi %r15, -556928
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; CHECK: .cfi_def_cfa_offset 557088
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; ...main function body...
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; CHECK: aghi %r15, 32760
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; CHECK: lmg %r14, %r15, 524280(%r15)
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; CHECK: br %r14
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%l0 = load volatile i32 , i32 *%ptr
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%l1 = load volatile i32 , i32 *%ptr
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%l4 = load volatile i32 , i32 *%ptr
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%l5 = load volatile i32 , i32 *%ptr
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%l14 = load volatile i32 , i32 *%ptr
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%add0 = add i32 %l0, %l0
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%add1 = add i32 %l1, %add0
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%add4 = add i32 %l4, %add1
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%add5 = add i32 %l5, %add4
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%add14 = add i32 %l14, %add5
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store volatile i32 %add0, i32 *%ptr
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store volatile i32 %add1, i32 *%ptr
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store volatile i32 %add4, i32 *%ptr
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store volatile i32 %add5, i32 *%ptr
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store volatile i32 %add14, i32 *%ptr
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%y = alloca [69594 x i64], align 8
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%entry = getelementptr inbounds [69594 x i64], [69594 x i64]* %y, i64 0, i64 0
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store volatile i64 %x, i64* %entry
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ret void
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}
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; This is the smallest frame size for which the preparatory increment for
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; "lmg %r14, %r15, ..." needs to be done using AGFI.
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define void @f6(i32 *%ptr, i64 %x) {
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; CHECK-LABEL: f6:
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; CHECK: stmg %r14, %r15, 112(%r15)
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; CHECK: .cfi_offset %r14, -48
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; CHECK: .cfi_offset %r15, -40
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; CHECK: agfi %r15, -556936
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; CHECK: .cfi_def_cfa_offset 557096
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; ...main function body...
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; CHECK: agfi %r15, 32768
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; CHECK: lmg %r14, %r15, 524280(%r15)
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; CHECK: br %r14
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%l0 = load volatile i32 , i32 *%ptr
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%l1 = load volatile i32 , i32 *%ptr
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%l4 = load volatile i32 , i32 *%ptr
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%l5 = load volatile i32 , i32 *%ptr
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%l14 = load volatile i32 , i32 *%ptr
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%add0 = add i32 %l0, %l0
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%add1 = add i32 %l1, %add0
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%add4 = add i32 %l4, %add1
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%add5 = add i32 %l5, %add4
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%add14 = add i32 %l14, %add5
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store volatile i32 %add0, i32 *%ptr
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store volatile i32 %add1, i32 *%ptr
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store volatile i32 %add4, i32 *%ptr
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store volatile i32 %add5, i32 *%ptr
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store volatile i32 %add14, i32 *%ptr
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%y = alloca [69595 x i64], align 8
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%entry = getelementptr inbounds [69595 x i64], [69595 x i64]* %y, i64 0, i64 0
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store volatile i64 %x, i64* %entry
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ret void
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}
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