138 lines
2.8 KiB
LLVM
138 lines
2.8 KiB
LLVM
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; Test insertions of 16-bit constants into an i64.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Check the lowest useful IILL value. (We use NILL rather than IILL
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; to clear 16 bits.)
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define i64 @f1(i64 %a) {
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; CHECK-LABEL: f1:
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; CHECK-NOT: ni
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; CHECK: iill %r2, 1
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; CHECK: br %r14
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%and = and i64 %a, 18446744073709486080
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%or = or i64 %and, 1
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ret i64 %or
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}
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; Check a middle value.
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define i64 @f2(i64 %a) {
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; CHECK-LABEL: f2:
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; CHECK-NOT: ni
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; CHECK: iill %r2, 32769
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; CHECK: br %r14
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%and = and i64 %a, -65536
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%or = or i64 %and, 32769
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ret i64 %or
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}
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; Check the highest useful IILL value. (We use OILL rather than IILL
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; to set 16 bits.)
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define i64 @f3(i64 %a) {
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; CHECK-LABEL: f3:
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; CHECK-NOT: ni
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; CHECK: iill %r2, 65534
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; CHECK: br %r14
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%and = and i64 %a, 18446744073709486080
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%or = or i64 %and, 65534
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ret i64 %or
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}
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; Check the lowest useful IILH value.
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define i64 @f4(i64 %a) {
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; CHECK-LABEL: f4:
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; CHECK-NOT: ni
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; CHECK: iilh %r2, 1
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; CHECK: br %r14
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%and = and i64 %a, 18446744069414649855
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%or = or i64 %and, 65536
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ret i64 %or
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}
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; Check a middle value.
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define i64 @f5(i64 %a) {
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; CHECK-LABEL: f5:
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; CHECK-NOT: ni
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; CHECK: iilh %r2, 32767
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; CHECK: br %r14
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%and = and i64 %a, -4294901761
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%or = or i64 %and, 2147418112
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ret i64 %or
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}
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; Check the highest useful IILH value.
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define i64 @f6(i64 %a) {
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; CHECK-LABEL: f6:
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; CHECK-NOT: ni
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; CHECK: iilh %r2, 65534
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; CHECK: br %r14
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%and = and i64 %a, 18446744069414649855
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%or = or i64 %and, 4294836224
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ret i64 %or
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}
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; Check the lowest useful IIHL value.
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define i64 @f7(i64 %a) {
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; CHECK-LABEL: f7:
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; CHECK-NOT: ni
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; CHECK: iihl %r2, 1
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; CHECK: br %r14
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%and = and i64 %a, 18446462603027808255
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%or = or i64 %and, 4294967296
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ret i64 %or
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}
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; Check a middle value.
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define i64 @f8(i64 %a) {
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; CHECK-LABEL: f8:
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; CHECK-NOT: ni
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; CHECK: iihl %r2, 32767
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; CHECK: br %r14
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%and = and i64 %a, -281470681743361
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%or = or i64 %and, 140733193388032
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ret i64 %or
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}
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; Check the highest useful IIHL value.
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define i64 @f9(i64 %a) {
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; CHECK-LABEL: f9:
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; CHECK-NOT: ni
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; CHECK: iihl %r2, 65534
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; CHECK: br %r14
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%and = and i64 %a, 18446462603027808255
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%or = or i64 %and, 281466386776064
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ret i64 %or
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}
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; Check the lowest useful IIHH value.
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define i64 @f10(i64 %a) {
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; CHECK-LABEL: f10:
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; CHECK-NOT: ni
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; CHECK: iihh %r2, 1
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; CHECK: br %r14
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%and = and i64 %a, 281474976710655
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%or = or i64 %and, 281474976710656
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ret i64 %or
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}
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; Check a middle value.
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define i64 @f11(i64 %a) {
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; CHECK-LABEL: f11:
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; CHECK-NOT: ni
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; CHECK: iihh %r2, 32767
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; CHECK: br %r14
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%and = and i64 %a, 281474976710655
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%or = or i64 %and, 9223090561878065152
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ret i64 %or
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}
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; Check the highest useful IIHH value.
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define i64 @f12(i64 %a) {
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; CHECK-LABEL: f12:
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; CHECK-NOT: ni
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; CHECK: iihh %r2, 65534
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; CHECK: br %r14
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%and = and i64 %a, 281474976710655
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%or = or i64 %and, 18446181123756130304
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ret i64 %or
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}
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