; Prefer LHI over IILF for signed 16-bit constants.
define i64 @f1(i64 %a) {
-; CHECK: f1:
+; CHECK-LABEL: f1:
; CHECK-NOT: ni
; CHECK: lhi %r2, 1
; CHECK: br %r14
; Check the high end of the LHI range.
define i64 @f2(i64 %a) {
-; CHECK: f2:
+; CHECK-LABEL: f2:
; CHECK-NOT: ni
; CHECK: lhi %r2, 32767
; CHECK: br %r14
; Check the next value up, which should use IILF instead.
define i64 @f3(i64 %a) {
-; CHECK: f3:
+; CHECK-LABEL: f3:
; CHECK-NOT: ni
; CHECK: iilf %r2, 32768
; CHECK: br %r14
; Check a value in which the lower 16 bits are clear.
define i64 @f4(i64 %a) {
-; CHECK: f4:
+; CHECK-LABEL: f4:
; CHECK-NOT: ni
; CHECK: iilf %r2, 65536
; CHECK: br %r14
; Check the highest useful IILF value (-0x8001).
define i64 @f5(i64 %a) {
-; CHECK: f5:
+; CHECK-LABEL: f5:
; CHECK-NOT: ni
; CHECK: iilf %r2, 4294934527
; CHECK: br %r14
; Check the next value up, which should use LHI instead.
define i64 @f6(i64 %a) {
-; CHECK: f6:
+; CHECK-LABEL: f6:
; CHECK-NOT: ni
; CHECK: lhi %r2, -32768
; CHECK: br %r14
; Check the highest useful LHI value. (We use OILF for -1 instead, although
; LHI might be better there too.)
define i64 @f7(i64 %a) {
-; CHECK: f7:
+; CHECK-LABEL: f7:
; CHECK-NOT: ni
; CHECK: lhi %r2, -2
; CHECK: br %r14
; Check that SRLG is still used if some of the high bits are known to be 0
; (and so might be removed from the mask).
define i64 @f8(i64 %a) {
-; CHECK: f8:
+; CHECK-LABEL: f8:
; CHECK: srlg %r2, %r2, 1
; CHECK-NEXT: iilf %r2, 32768
; CHECK: br %r14
; Repeat f8 with addition, which is known to be equivalent to OR in this case.
define i64 @f9(i64 %a) {
-; CHECK: f9:
+; CHECK-LABEL: f9:
; CHECK: srlg %r2, %r2, 1
; CHECK-NEXT: iilf %r2, 32768
; CHECK: br %r14
; Repeat f8 with already-zero bits removed from the mask.
define i64 @f10(i64 %a) {
-; CHECK: f10:
+; CHECK-LABEL: f10:
; CHECK: srlg %r2, %r2, 1
; CHECK-NEXT: iilf %r2, 32768
; CHECK: br %r14
; Repeat f10 with addition, which is known to be equivalent to OR in this case.
define i64 @f11(i64 %a) {
-; CHECK: f11:
+; CHECK-LABEL: f11:
; CHECK: srlg %r2, %r2, 1
; CHECK-NEXT: iilf %r2, 32768
; CHECK: br %r14
; Check the lowest useful IIHF value.
define i64 @f12(i64 %a) {
-; CHECK: f12:
+; CHECK-LABEL: f12:
; CHECK-NOT: ni
; CHECK: iihf %r2, 1
; CHECK: br %r14
; Check a value in which the lower 16 bits are clear.
define i64 @f13(i64 %a) {
-; CHECK: f13:
+; CHECK-LABEL: f13:
; CHECK-NOT: ni
; CHECK: iihf %r2, 2147483648
; CHECK: br %r14
; Check the highest useful IIHF value (0xfffffffe).
define i64 @f14(i64 %a) {
-; CHECK: f14:
+; CHECK-LABEL: f14:
; CHECK-NOT: ni
; CHECK: iihf %r2, 4294967294
; CHECK: br %r14
; Check a case in which some of the low 32 bits are known to be clear,
; and so could be removed from the AND mask.
define i64 @f15(i64 %a) {
-; CHECK: f15:
+; CHECK-LABEL: f15:
; CHECK: sllg %r2, %r2, 1
; CHECK-NEXT: iihf %r2, 1
; CHECK: br %r14
; Repeat f15 with the zero bits explicitly removed from the mask.
define i64 @f16(i64 %a) {
-; CHECK: f16:
+; CHECK-LABEL: f16:
; CHECK: sllg %r2, %r2, 1
; CHECK-NEXT: iihf %r2, 1
; CHECK: br %r14
; Check concatenation of two i32s.
define i64 @f17(i32 %a) {
-; CHECK: f17:
+; CHECK-LABEL: f17:
; CHECK: msr %r2, %r2
; CHECK-NEXT: iihf %r2, 1
; CHECK: br %r14
; Repeat f17 with the operands reversed.
define i64 @f18(i32 %a) {
-; CHECK: f18:
+; CHECK-LABEL: f18:
; CHECK: msr %r2, %r2
; CHECK-NEXT: iihf %r2, 1
; CHECK: br %r14
; The truncation here isn't free; we need an explicit zero extension.
define i64 @f19(i32 %a) {
-; CHECK: f19:
+; CHECK-LABEL: f19:
; CHECK: llgcr %r2, %r2
; CHECK: oihl %r2, 1
; CHECK: br %r14