Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/CodeGen/SystemZ/atomicrmw-xor-03.ll

@@ -1,49 +0,0 @@
-; Test 32-bit atomic XORs.
-;
-; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
-
-; Check XORs of a variable.
-define i32 @f1(i32 %dummy, i32 *%src, i32 %b) {
-; CHECK-LABEL: f1:
-; CHECK: l %r2, 0(%r3)
-; CHECK: [[LABEL:\.[^ ]*]]:
-; CHECK: lr %r0, %r2
-; CHECK: xr %r0, %r4
-; CHECK: cs %r2, %r0, 0(%r3)
-; CHECK: jl [[LABEL]]
-; CHECK: br %r14
-  %res = atomicrmw xor i32 *%src, i32 %b seq_cst
-  ret i32 %res
-}
-
-; Check the lowest useful constant.
-define i32 @f2(i32 %dummy, i32 *%src) {
-; CHECK-LABEL: f2:
-; CHECK: l %r2, 0(%r3)
-; CHECK: [[LABEL:\.[^ ]*]]:
-; CHECK: lr %r0, %r2
-; CHECK: xilf %r0, 1
-; CHECK: cs %r2, %r0, 0(%r3)
-; CHECK: jl [[LABEL]]
-; CHECK: br %r14
-  %res = atomicrmw xor i32 *%src, i32 1 seq_cst
-  ret i32 %res
-}
-
-; Check an arbitrary constant.
-define i32 @f3(i32 %dummy, i32 *%src) {
-; CHECK-LABEL: f3:
-; CHECK: xilf %r0, 3000000000
-; CHECK: br %r14
-  %res = atomicrmw xor i32 *%src, i32 3000000000 seq_cst
-  ret i32 %res
-}
-
-; Check bitwise negation.
-define i32 @f4(i32 %dummy, i32 *%src) {
-; CHECK-LABEL: f4:
-; CHECK: xilf %r0, 4294967295
-; CHECK: br %r14
-  %res = atomicrmw xor i32 *%src, i32 -1 seq_cst
-  ret i32 %res
-}