forked from OSchip/llvm-project
286 lines
6.0 KiB
LLVM
286 lines
6.0 KiB
LLVM
; Test loading of 64-bit constants.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare void @foo(i64, i64, i64, i64)
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; Check 0.
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define i64 @f1() {
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; CHECK-LABEL: f1:
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; CHECK: lghi %r2, 0
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; CHECK-NEXT: br %r14
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ret i64 0
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}
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; Check the high end of the LGHI range.
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define i64 @f2() {
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; CHECK-LABEL: f2:
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; CHECK: lghi %r2, 32767
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; CHECK-NEXT: br %r14
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ret i64 32767
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}
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; Check the next value up, which must use LLILL instead.
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define i64 @f3() {
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; CHECK-LABEL: f3:
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; CHECK: llill %r2, 32768
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; CHECK-NEXT: br %r14
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ret i64 32768
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}
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; Check the high end of the LLILL range.
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define i64 @f4() {
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; CHECK-LABEL: f4:
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; CHECK: llill %r2, 65535
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; CHECK-NEXT: br %r14
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ret i64 65535
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}
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; Check the first useful LLILH value, which is the next one up.
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define i64 @f5() {
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; CHECK-LABEL: f5:
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; CHECK: llilh %r2, 1
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; CHECK-NEXT: br %r14
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ret i64 65536
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}
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; Check the first useful LGFI value, which is the next one up again.
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define i64 @f6() {
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; CHECK-LABEL: f6:
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; CHECK: lgfi %r2, 65537
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; CHECK-NEXT: br %r14
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ret i64 65537
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}
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; Check the high end of the LGFI range.
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define i64 @f7() {
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; CHECK-LABEL: f7:
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; CHECK: lgfi %r2, 2147483647
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; CHECK-NEXT: br %r14
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ret i64 2147483647
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}
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; Check the next value up, which should use LLILH instead.
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define i64 @f8() {
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; CHECK-LABEL: f8:
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; CHECK: llilh %r2, 32768
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; CHECK-NEXT: br %r14
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ret i64 2147483648
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}
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; Check the next value up again, which should use LLILF.
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define i64 @f9() {
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; CHECK-LABEL: f9:
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; CHECK: llilf %r2, 2147483649
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; CHECK-NEXT: br %r14
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ret i64 2147483649
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}
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; Check the high end of the LLILH range.
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define i64 @f10() {
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; CHECK-LABEL: f10:
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; CHECK: llilh %r2, 65535
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; CHECK-NEXT: br %r14
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ret i64 4294901760
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}
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; Check the next value up, which must use LLILF.
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define i64 @f11() {
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; CHECK-LABEL: f11:
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; CHECK: llilf %r2, 4294901761
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; CHECK-NEXT: br %r14
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ret i64 4294901761
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}
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; Check the high end of the LLILF range.
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define i64 @f12() {
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; CHECK-LABEL: f12:
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; CHECK: llilf %r2, 4294967295
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; CHECK-NEXT: br %r14
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ret i64 4294967295
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}
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; Check the lowest useful LLIHL value, which is the next one up.
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define i64 @f13() {
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; CHECK-LABEL: f13:
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; CHECK: llihl %r2, 1
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; CHECK-NEXT: br %r14
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ret i64 4294967296
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}
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; Check the next value up, which must use a combination of two instructions.
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define i64 @f14() {
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; CHECK-LABEL: f14:
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; CHECK: llihl %r2, 1
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; CHECK-NEXT: oill %r2, 1
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; CHECK-NEXT: br %r14
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ret i64 4294967297
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}
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; Check the high end of the OILL range.
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define i64 @f15() {
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; CHECK-LABEL: f15:
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; CHECK: llihl %r2, 1
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; CHECK-NEXT: oill %r2, 65535
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; CHECK-NEXT: br %r14
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ret i64 4295032831
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}
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; Check the next value up, which should use OILH instead.
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define i64 @f16() {
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; CHECK-LABEL: f16:
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; CHECK: llihl %r2, 1
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; CHECK-NEXT: oilh %r2, 1
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; CHECK-NEXT: br %r14
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ret i64 4295032832
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}
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; Check the next value up again, which should use OILF.
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define i64 @f17() {
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; CHECK-LABEL: f17:
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; CHECK: llihl %r2, 1
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; CHECK-NEXT: oilf %r2, 65537
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; CHECK-NEXT: br %r14
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ret i64 4295032833
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}
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; Check the high end of the OILH range.
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define i64 @f18() {
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; CHECK-LABEL: f18:
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; CHECK: llihl %r2, 1
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; CHECK-NEXT: oilh %r2, 65535
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; CHECK-NEXT: br %r14
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ret i64 8589869056
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}
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; Check the high end of the OILF range.
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define i64 @f19() {
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; CHECK-LABEL: f19:
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; CHECK: llihl %r2, 1
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; CHECK-NEXT: oilf %r2, 4294967295
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; CHECK-NEXT: br %r14
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ret i64 8589934591
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}
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; Check the high end of the LLIHL range.
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define i64 @f20() {
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; CHECK-LABEL: f20:
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; CHECK: llihl %r2, 65535
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; CHECK-NEXT: br %r14
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ret i64 281470681743360
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}
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; Check the lowest useful LLIHH value, which is 1<<32 greater than the above.
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define i64 @f21() {
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; CHECK-LABEL: f21:
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; CHECK: llihh %r2, 1
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; CHECK-NEXT: br %r14
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ret i64 281474976710656
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}
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; Check the lowest useful LLIHF value, which is 1<<32 greater again.
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define i64 @f22() {
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; CHECK-LABEL: f22:
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; CHECK: llihf %r2, 65537
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; CHECK-NEXT: br %r14
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ret i64 281479271677952
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}
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; Check the highest end of the LLIHH range.
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define i64 @f23() {
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; CHECK-LABEL: f23:
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; CHECK: llihh %r2, 65535
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; CHECK-NEXT: br %r14
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ret i64 -281474976710656
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}
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; Check the next value up, which must use OILL too.
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define i64 @f24() {
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; CHECK-LABEL: f24:
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; CHECK: llihh %r2, 65535
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; CHECK-NEXT: oill %r2, 1
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; CHECK-NEXT: br %r14
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ret i64 -281474976710655
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}
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; Check the high end of the LLIHF range.
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define i64 @f25() {
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; CHECK-LABEL: f25:
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; CHECK: llihf %r2, 4294967295
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; CHECK-NEXT: br %r14
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ret i64 -4294967296
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}
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; Check -1.
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define i64 @f26() {
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; CHECK-LABEL: f26:
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; CHECK: lghi %r2, -1
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; CHECK-NEXT: br %r14
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ret i64 -1
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}
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; Check the low end of the LGHI range.
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define i64 @f27() {
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; CHECK-LABEL: f27:
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; CHECK: lghi %r2, -32768
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; CHECK-NEXT: br %r14
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ret i64 -32768
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}
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; Check the next value down, which must use LGFI instead.
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define i64 @f28() {
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; CHECK-LABEL: f28:
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; CHECK: lgfi %r2, -32769
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; CHECK-NEXT: br %r14
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ret i64 -32769
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}
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; Check the low end of the LGFI range.
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define i64 @f29() {
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; CHECK-LABEL: f29:
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; CHECK: lgfi %r2, -2147483648
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; CHECK-NEXT: br %r14
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ret i64 -2147483648
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}
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; Check the next value down, which needs a two-instruction sequence.
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define i64 @f30() {
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; CHECK-LABEL: f30:
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; CHECK: llihf %r2, 4294967295
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; CHECK-NEXT: oilf %r2, 2147483647
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; CHECK-NEXT: br %r14
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ret i64 -2147483649
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}
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; Check that constant loads are rematerialized.
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define i64 @f31() {
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; CHECK-LABEL: f31:
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; CHECK-DAG: lghi %r2, 42
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; CHECK-DAG: lgfi %r3, 65537
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; CHECK-DAG: llilf %r4, 2147483649
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; CHECK-DAG: llihf %r5, 65537
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; CHECK: brasl %r14, foo@PLT
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; CHECK-DAG: llill %r2, 32768
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; CHECK-DAG: llilh %r3, 1
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; CHECK-DAG: llihl %r4, 1
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; CHECK-DAG: llihh %r5, 1
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; CHECK: brasl %r14, foo@PLT
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; CHECK-DAG: lghi %r2, 42
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; CHECK-DAG: lgfi %r3, 65537
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; CHECK-DAG: llilf %r4, 2147483649
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; CHECK-DAG: llihf %r5, 65537
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; CHECK: brasl %r14, foo@PLT
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; CHECK-DAG: llill %r2, 32768
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; CHECK-DAG: llilh %r3, 1
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; CHECK-DAG: llihl %r4, 1
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; CHECK-DAG: llihh %r5, 1
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; CHECK: brasl %r14, foo@PLT
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; CHECK: lghi %r2, 42
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; CHECK: br %r14
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call void @foo(i64 42, i64 65537, i64 2147483649, i64 281479271677952)
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call void @foo(i64 32768, i64 65536, i64 4294967296, i64 281474976710656)
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call void @foo(i64 42, i64 65537, i64 2147483649, i64 281479271677952)
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call void @foo(i64 32768, i64 65536, i64 4294967296, i64 281474976710656)
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ret i64 42
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}
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