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; Test proper extension of 8-bit/16-bit cmpxchg.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; CHECK-LABEL: f1
; CHECK: crjlh
; CHECK-NOT: llcr
; CHECK-NOT: cr
; CHECK: llgfr %r2, [[RES:%r[0-9]+]]
; CHECK-NOT: llcr
; CHECK-NOT: cr
define zeroext i8 @f1(ptr nocapture, i8 zeroext, i8 zeroext) {
%cx = cmpxchg ptr %0, i8 %1, i8 %2 seq_cst seq_cst
%res = extractvalue { i8, i1 } %cx, 0
ret i8 %res
}
; CHECK-LABEL: f2
; CHECK: crjlh
; CHECK-NOT: llhr
; CHECK-NOT: cr
; CHECK: llgfr %r2, [[RES:%r[0-9]+]]
; CHECK-NOT: llhr
; CHECK-NOT: cr
define zeroext i16 @f2(ptr nocapture, i16 zeroext, i16 zeroext) {
%cx = cmpxchg ptr %0, i16 %1, i16 %2 seq_cst seq_cst
%res = extractvalue { i16, i1 } %cx, 0
ret i16 %res
}
; CHECK-LABEL: f3
; CHECK: crjlh
; CHECK-NOT: llcr
; CHECK-NOT: cr
; CHECK: lgbr %r2, [[RES:%r[0-9]+]]
; CHECK-NOT: llcr
; CHECK-NOT: cr
define signext i8 @f3(ptr nocapture, i8 signext, i8 signext) {
%cx = cmpxchg ptr %0, i8 %1, i8 %2 seq_cst seq_cst
%res = extractvalue { i8, i1 } %cx, 0
ret i8 %res
}
; CHECK-LABEL: f4
; CHECK: crjlh
; CHECK-NOT: llhr
; CHECK-NOT: cr
; CHECK: lghr %r2, [[RES:%r[0-9]+]]
; CHECK-NOT: llhr
; CHECK-NOT: cr
define signext i16 @f4(ptr nocapture, i16 signext, i16 signext) {
%cx = cmpxchg ptr %0, i16 %1, i16 %2 seq_cst seq_cst
%res = extractvalue { i16, i1 } %cx, 0
ret i16 %res
}
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