303 lines
6.5 KiB
LLVM
303 lines
6.5 KiB
LLVM
|
; Test loading of 64-bit constants.
|
||
|
|
;
|
||
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
||
|
|
|
||
|
|
declare void @foo(i64, i64, i64, i64)
|
||
|
|
|
||
|
|
; Check 0.
|
||
|
|
define i64 @f1() {
|
||
|
|
; CHECK-LABEL: f1:
|
||
|
|
; CHECK: lghi %r2, 0
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 0
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the high end of the LGHI range.
|
||
|
|
define i64 @f2() {
|
||
|
|
; CHECK-LABEL: f2:
|
||
|
|
; CHECK: lghi %r2, 32767
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 32767
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the next value up, which must use LLILL instead.
|
||
|
|
define i64 @f3() {
|
||
|
|
; CHECK-LABEL: f3:
|
||
|
|
; CHECK: llill %r2, 32768
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 32768
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the high end of the LLILL range.
|
||
|
|
define i64 @f4() {
|
||
|
|
; CHECK-LABEL: f4:
|
||
|
|
; CHECK: llill %r2, 65535
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 65535
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the first useful LLILH value, which is the next one up.
|
||
|
|
define i64 @f5() {
|
||
|
|
; CHECK-LABEL: f5:
|
||
|
|
; CHECK: llilh %r2, 1
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 65536
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the first useful LGFI value, which is the next one up again.
|
||
|
|
define i64 @f6() {
|
||
|
|
; CHECK-LABEL: f6:
|
||
|
|
; CHECK: lgfi %r2, 65537
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 65537
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the high end of the LGFI range.
|
||
|
|
define i64 @f7() {
|
||
|
|
; CHECK-LABEL: f7:
|
||
|
|
; CHECK: lgfi %r2, 2147483647
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 2147483647
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the next value up, which should use LLILH instead.
|
||
|
|
define i64 @f8() {
|
||
|
|
; CHECK-LABEL: f8:
|
||
|
|
; CHECK: llilh %r2, 32768
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 2147483648
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the next value up again, which should use LLILF.
|
||
|
|
define i64 @f9() {
|
||
|
|
; CHECK-LABEL: f9:
|
||
|
|
; CHECK: llilf %r2, 2147483649
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 2147483649
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the high end of the LLILH range.
|
||
|
|
define i64 @f10() {
|
||
|
|
; CHECK-LABEL: f10:
|
||
|
|
; CHECK: llilh %r2, 65535
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 4294901760
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the next value up, which must use LLILF.
|
||
|
|
define i64 @f11() {
|
||
|
|
; CHECK-LABEL: f11:
|
||
|
|
; CHECK: llilf %r2, 4294901761
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 4294901761
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the high end of the LLILF range.
|
||
|
|
define i64 @f12() {
|
||
|
|
; CHECK-LABEL: f12:
|
||
|
|
; CHECK: llilf %r2, 4294967295
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 4294967295
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the lowest useful LLIHL value, which is the next one up.
|
||
|
|
define i64 @f13() {
|
||
|
|
; CHECK-LABEL: f13:
|
||
|
|
; CHECK: llihl %r2, 1
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 4294967296
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the next value up, which must use a combination of two instructions.
|
||
|
|
define i64 @f14() {
|
||
|
|
; CHECK-LABEL: f14:
|
||
|
|
; CHECK: llihl %r2, 1
|
||
|
|
; CHECK-NEXT: oill %r2, 1
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 4294967297
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the high end of the OILL range.
|
||
|
|
define i64 @f15() {
|
||
|
|
; CHECK-LABEL: f15:
|
||
|
|
; CHECK: llihl %r2, 1
|
||
|
|
; CHECK-NEXT: oill %r2, 65535
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 4295032831
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the next value up, which should use OILH instead.
|
||
|
|
define i64 @f16() {
|
||
|
|
; CHECK-LABEL: f16:
|
||
|
|
; CHECK: llihl %r2, 1
|
||
|
|
; CHECK-NEXT: oilh %r2, 1
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 4295032832
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the next value up again, which should use OILF.
|
||
|
|
define i64 @f17() {
|
||
|
|
; CHECK-LABEL: f17:
|
||
|
|
; CHECK: llihl %r2, 1
|
||
|
|
; CHECK-NEXT: oilf %r2, 65537
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 4295032833
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the high end of the OILH range.
|
||
|
|
define i64 @f18() {
|
||
|
|
; CHECK-LABEL: f18:
|
||
|
|
; CHECK: llihl %r2, 1
|
||
|
|
; CHECK-NEXT: oilh %r2, 65535
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 8589869056
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the high end of the OILF range.
|
||
|
|
define i64 @f19() {
|
||
|
|
; CHECK-LABEL: f19:
|
||
|
|
; CHECK: llihl %r2, 1
|
||
|
|
; CHECK-NEXT: oilf %r2, 4294967295
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 8589934591
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the high end of the LLIHL range.
|
||
|
|
define i64 @f20() {
|
||
|
|
; CHECK-LABEL: f20:
|
||
|
|
; CHECK: llihl %r2, 65535
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 281470681743360
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the lowest useful LLIHH value, which is 1<<32 greater than the above.
|
||
|
|
define i64 @f21() {
|
||
|
|
; CHECK-LABEL: f21:
|
||
|
|
; CHECK: llihh %r2, 1
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 281474976710656
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the lowest useful LLIHF value, which is 1<<32 greater again.
|
||
|
|
define i64 @f22() {
|
||
|
|
; CHECK-LABEL: f22:
|
||
|
|
; CHECK: llihf %r2, 65537
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 281479271677952
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the highest end of the LLIHH range.
|
||
|
|
define i64 @f23() {
|
||
|
|
; CHECK-LABEL: f23:
|
||
|
|
; CHECK: llihh %r2, 65535
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 -281474976710656
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the next value up, which must use OILL too.
|
||
|
|
define i64 @f24() {
|
||
|
|
; CHECK-LABEL: f24:
|
||
|
|
; CHECK: llihh %r2, 65535
|
||
|
|
; CHECK-NEXT: oill %r2, 1
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 -281474976710655
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the high end of the LLIHF range.
|
||
|
|
define i64 @f25() {
|
||
|
|
; CHECK-LABEL: f25:
|
||
|
|
; CHECK: llihf %r2, 4294967295
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 -4294967296
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check -1.
|
||
|
|
define i64 @f26() {
|
||
|
|
; CHECK-LABEL: f26:
|
||
|
|
; CHECK: lghi %r2, -1
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 -1
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the low end of the LGHI range.
|
||
|
|
define i64 @f27() {
|
||
|
|
; CHECK-LABEL: f27:
|
||
|
|
; CHECK: lghi %r2, -32768
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 -32768
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the next value down, which must use LGFI instead.
|
||
|
|
define i64 @f28() {
|
||
|
|
; CHECK-LABEL: f28:
|
||
|
|
; CHECK: lgfi %r2, -32769
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 -32769
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the low end of the LGFI range.
|
||
|
|
define i64 @f29() {
|
||
|
|
; CHECK-LABEL: f29:
|
||
|
|
; CHECK: lgfi %r2, -2147483648
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 -2147483648
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the next value down, which needs a two-instruction sequence.
|
||
|
|
define i64 @f30() {
|
||
|
|
; CHECK-LABEL: f30:
|
||
|
|
; CHECK: llihf %r2, 4294967295
|
||
|
|
; CHECK-NEXT: oilf %r2, 2147483647
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
ret i64 -2147483649
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check that constant loads are rematerialized.
|
||
|
|
define i64 @f31() {
|
||
|
|
; CHECK-LABEL: f31:
|
||
|
|
; CHECK-DAG: lghi %r2, 42
|
||
|
|
; CHECK-DAG: lgfi %r3, 65537
|
||
|
|
; CHECK-DAG: llilf %r4, 2147483649
|
||
|
|
; CHECK-DAG: llihf %r5, 65537
|
||
|
|
; CHECK: brasl %r14, foo@PLT
|
||
|
|
; CHECK-DAG: llill %r2, 32768
|
||
|
|
; CHECK-DAG: llilh %r3, 1
|
||
|
|
; CHECK-DAG: llihl %r4, 1
|
||
|
|
; CHECK-DAG: llihh %r5, 1
|
||
|
|
; CHECK: brasl %r14, foo@PLT
|
||
|
|
; CHECK-DAG: lghi %r2, 42
|
||
|
|
; CHECK-DAG: lgfi %r3, 65537
|
||
|
|
; CHECK-DAG: llilf %r4, 2147483649
|
||
|
|
; CHECK-DAG: llihf %r5, 65537
|
||
|
|
; CHECK: brasl %r14, foo@PLT
|
||
|
|
; CHECK-DAG: llill %r2, 32768
|
||
|
|
; CHECK-DAG: llilh %r3, 1
|
||
|
|
; CHECK-DAG: llihl %r4, 1
|
||
|
|
; CHECK-DAG: llihh %r5, 1
|
||
|
|
; CHECK: brasl %r14, foo@PLT
|
||
|
|
; CHECK: lghi %r2, 42
|
||
|
|
; CHECK: br %r14
|
||
|
|
call void @foo(i64 42, i64 65537, i64 2147483649, i64 281479271677952)
|
||
|
|
call void @foo(i64 32768, i64 65536, i64 4294967296, i64 281474976710656)
|
||
|
|
call void @foo(i64 42, i64 65537, i64 2147483649, i64 281479271677952)
|
||
|
|
call void @foo(i64 32768, i64 65536, i64 4294967296, i64 281474976710656)
|
||
|
|
ret i64 42
|
||
|
|
}
|
||
|
|
|
||
|
|
; Verify that we do not crash on OR with two constant inputs
|
||
|
|
; (this was PR34859).
|
||
|
|
define i64 @f32(i64 *%ptr) {
|
||
|
|
; CHECK-LABEL: f32:
|
||
|
|
; CHECK: llihf %r1, 918324340
|
||
|
|
; CHECK: oilf %r1, 1806197964
|
||
|
|
; CHECK: la %r0, 1(%r1)
|
||
|
|
store i64 -1, i64* %ptr, align 8
|
||
|
|
%1 = load i64, i64* %ptr, align 8
|
||
|
|
%2 = icmp ne i64 %1, 0
|
||
|
|
%3 = zext i1 %2 to i64
|
||
|
|
%4 = or i64 %3, 3944173009226982604
|
||
|
|
store i64 %4, i64* %ptr, align 8
|
||
|
|
ret i64 3944173009226982604
|
||
|
|
}
|
||
|
|
|