Files
clang-p2996/llvm/test/CodeGen/SystemZ/atomicrmw-and-05.ll
Kai Nacke a1710eb3cd [SystemZ][NFC] Opaque pointer migration.
The LIT test cases were migrated with the script provided by
Nikita Popov.

No manual changes were made. Committed without review since
no functional changes, after consultation with uweigand.
2022-10-11 21:09:43 +00:00

65 lines
1.7 KiB
LLVM

; Test 32-bit atomic ANDs, z196 version.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s
; Check AND of a variable.
define i32 @f1(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f1:
; CHECK: lan %r2, %r4, 0(%r3)
; CHECK: br %r14
%res = atomicrmw and ptr %src, i32 %b seq_cst
ret i32 %res
}
; Check AND of 1, which needs a temporary.
define i32 @f2(i32 %dummy, ptr %src) {
; CHECK-LABEL: f2:
; CHECK: lhi [[TMP:%r[0-5]]], 1
; CHECK: lan %r2, [[TMP]], 0(%r3)
; CHECK: br %r14
%res = atomicrmw and ptr %src, i32 1 seq_cst
ret i32 %res
}
; Check the high end of the LAN range.
define i32 @f3(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f3:
; CHECK: lan %r2, %r4, 524284(%r3)
; CHECK: br %r14
%ptr = getelementptr i32, ptr %src, i32 131071
%res = atomicrmw and ptr %ptr, i32 %b seq_cst
ret i32 %res
}
; Check the next word up, which needs separate address logic.
define i32 @f4(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f4:
; CHECK: agfi %r3, 524288
; CHECK: lan %r2, %r4, 0(%r3)
; CHECK: br %r14
%ptr = getelementptr i32, ptr %src, i32 131072
%res = atomicrmw and ptr %ptr, i32 %b seq_cst
ret i32 %res
}
; Check the low end of the LAN range.
define i32 @f5(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f5:
; CHECK: lan %r2, %r4, -524288(%r3)
; CHECK: br %r14
%ptr = getelementptr i32, ptr %src, i32 -131072
%res = atomicrmw and ptr %ptr, i32 %b seq_cst
ret i32 %res
}
; Check the next word down, which needs separate address logic.
define i32 @f6(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f6:
; CHECK: agfi %r3, -524292
; CHECK: lan %r2, %r4, 0(%r3)
; CHECK: br %r14
%ptr = getelementptr i32, ptr %src, i32 -131073
%res = atomicrmw and ptr %ptr, i32 %b seq_cst
ret i32 %res
}