; before being used. This shift is independent of the other loop prologue
; instructions.
define i16 @f1(i16 *%src, i16 %b) {
-; CHECK: f1:
-; CHECK-DAG: sllg [[SHIFT:%r[1-9]+]], %r2, 3
-; CHECK-DAG: risbg [[BASE:%r[1-9]+]], %r2, 0, 189, 0
-; CHECK: l [[OLD:%r[0-9]+]], 0([[BASE]])
+; CHECK-LABEL: f1:
+; CHECK: sllg [[SHIFT:%r[1-9]+]], %r2, 3
+; CHECK: nill %r2, 65532
+; CHECK: l [[OLD:%r[0-9]+]], 0(%r2)
; CHECK: [[LABEL:\.[^:]*]]:
; CHECK: rll [[ROT:%r[0-9]+]], [[OLD]], 0([[SHIFT]])
; CHECK: xr [[ROT]], %r3
; CHECK: rll [[NEW:%r[0-9]+]], [[ROT]], 0({{%r[1-9]+}})
-; CHECK: cs [[OLD]], [[NEW]], 0([[BASE]])
-; CHECK: jlh [[LABEL]]
+; CHECK: cs [[OLD]], [[NEW]], 0(%r2)
+; CHECK: jl [[LABEL]]
; CHECK: rll %r2, [[OLD]], 16([[SHIFT]])
; CHECK: br %r14
;
-; CHECK-SHIFT1: f1:
+; CHECK-SHIFT1-LABEL: f1:
; CHECK-SHIFT1: sllg [[SHIFT:%r[1-9]+]], %r2, 3
; CHECK-SHIFT1: lcr [[NEGSHIFT:%r[1-9]+]], [[SHIFT]]
; CHECK-SHIFT1: rll
; CHECK-SHIFT1: rll
; CHECK-SHIFT1: br %r14
;
-; CHECK-SHIFT2: f1:
+; CHECK-SHIFT2-LABEL: f1:
; CHECK-SHIFT2: sll %r3, 16
; CHECK-SHIFT2: rll
; CHECK-SHIFT2: xr {{%r[0-9]+}}, %r3
; Check the minimum signed value. We XOR the rotated word with 0x80000000.
define i16 @f2(i16 *%src) {
-; CHECK: f2:
-; CHECK-DAG: sllg [[SHIFT:%r[1-9]+]], %r2, 3
-; CHECK-DAG: risbg [[BASE:%r[1-9]+]], %r2, 0, 189, 0
-; CHECK: l [[OLD:%r[0-9]+]], 0([[BASE]])
+; CHECK-LABEL: f2:
+; CHECK: sllg [[SHIFT:%r[1-9]+]], %r2, 3
+; CHECK: nill %r2, 65532
+; CHECK: l [[OLD:%r[0-9]+]], 0(%r2)
; CHECK: [[LABEL:\.[^:]*]]:
; CHECK: rll [[ROT:%r[0-9]+]], [[OLD]], 0([[SHIFT]])
; CHECK: xilf [[ROT]], 2147483648
; CHECK: rll [[NEW:%r[0-9]+]], [[ROT]], 0([[NEGSHIFT:%r[1-9]+]])
-; CHECK: cs [[OLD]], [[NEW]], 0([[BASE]])
-; CHECK: jlh [[LABEL]]
+; CHECK: cs [[OLD]], [[NEW]], 0(%r2)
+; CHECK: jl [[LABEL]]
; CHECK: rll %r2, [[OLD]], 16([[SHIFT]])
; CHECK: br %r14
;
-; CHECK-SHIFT1: f2:
+; CHECK-SHIFT1-LABEL: f2:
; CHECK-SHIFT1: sllg [[SHIFT:%r[1-9]+]], %r2, 3
; CHECK-SHIFT1: lcr [[NEGSHIFT:%r[1-9]+]], [[SHIFT]]
; CHECK-SHIFT1: rll
; CHECK-SHIFT1: rll
; CHECK-SHIFT1: br %r14
;
-; CHECK-SHIFT2: f2:
+; CHECK-SHIFT2-LABEL: f2:
; CHECK-SHIFT2: br %r14
%res = atomicrmw xor i16 *%src, i16 -32768 seq_cst
ret i16 %res
; Check XORs of -1. We XOR the rotated word with 0xffff0000.
define i16 @f3(i16 *%src) {
-; CHECK: f3:
+; CHECK-LABEL: f3:
; CHECK: xilf [[ROT]], 4294901760
; CHECK: br %r14
;
-; CHECK-SHIFT1: f3:
+; CHECK-SHIFT1-LABEL: f3:
; CHECK-SHIFT1: br %r14
-; CHECK-SHIFT2: f3:
+; CHECK-SHIFT2-LABEL: f3:
; CHECK-SHIFT2: br %r14
%res = atomicrmw xor i16 *%src, i16 -1 seq_cst
ret i16 %res
; Check XORs of 1. We XOR the rotated word with 0x00010000.
define i16 @f4(i16 *%src) {
-; CHECK: f4:
+; CHECK-LABEL: f4:
; CHECK: xilf [[ROT]], 65536
; CHECK: br %r14
;
-; CHECK-SHIFT1: f4:
+; CHECK-SHIFT1-LABEL: f4:
; CHECK-SHIFT1: br %r14
-; CHECK-SHIFT2: f4:
+; CHECK-SHIFT2-LABEL: f4:
; CHECK-SHIFT2: br %r14
%res = atomicrmw xor i16 *%src, i16 1 seq_cst
ret i16 %res
; Check the maximum signed value. We XOR the rotated word with 0x7fff0000.
define i16 @f5(i16 *%src) {
-; CHECK: f5:
+; CHECK-LABEL: f5:
; CHECK: xilf [[ROT]], 2147418112
; CHECK: br %r14
;
-; CHECK-SHIFT1: f5:
+; CHECK-SHIFT1-LABEL: f5:
; CHECK-SHIFT1: br %r14
-; CHECK-SHIFT2: f5:
+; CHECK-SHIFT2-LABEL: f5:
; CHECK-SHIFT2: br %r14
%res = atomicrmw xor i16 *%src, i16 32767 seq_cst
ret i16 %res
; Check XORs of a large unsigned value. We XOR the rotated word with
; 0xfffd0000.
define i16 @f6(i16 *%src) {
-; CHECK: f6:
+; CHECK-LABEL: f6:
; CHECK: xilf [[ROT]], 4294770688
; CHECK: br %r14
;
-; CHECK-SHIFT1: f6:
+; CHECK-SHIFT1-LABEL: f6:
; CHECK-SHIFT1: br %r14
-; CHECK-SHIFT2: f6:
+; CHECK-SHIFT2-LABEL: f6:
; CHECK-SHIFT2: br %r14
%res = atomicrmw xor i16 *%src, i16 65533 seq_cst
ret i16 %res