a1710eb3cd
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.
65 lines
1.7 KiB
LLVM
65 lines
1.7 KiB
LLVM
; Test 64-bit atomic additions, z196 version.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s
|
|
|
|
; Check addition of a variable.
|
|
define i64 @f1(i64 %dummy, ptr %src, i64 %b) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: laag %r2, %r4, 0(%r3)
|
|
; CHECK: br %r14
|
|
%res = atomicrmw add ptr %src, i64 %b seq_cst
|
|
ret i64 %res
|
|
}
|
|
|
|
; Check addition of 1, which needs a temporary.
|
|
define i64 @f2(i64 %dummy, ptr %src) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: lghi [[TMP:%r[0-5]]], 1
|
|
; CHECK: laag %r2, [[TMP]], 0(%r3)
|
|
; CHECK: br %r14
|
|
%res = atomicrmw add ptr %src, i64 1 seq_cst
|
|
ret i64 %res
|
|
}
|
|
|
|
; Check the high end of the LAAG range.
|
|
define i64 @f3(i64 %dummy, ptr %src, i64 %b) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: laag %r2, %r4, 524280(%r3)
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i64, ptr %src, i64 65535
|
|
%res = atomicrmw add ptr %ptr, i64 %b seq_cst
|
|
ret i64 %res
|
|
}
|
|
|
|
; Check the next doubleword up, which needs separate address logic.
|
|
define i64 @f4(i64 %dummy, ptr %src, i64 %b) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: agfi %r3, 524288
|
|
; CHECK: laag %r2, %r4, 0(%r3)
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i64, ptr %src, i64 65536
|
|
%res = atomicrmw add ptr %ptr, i64 %b seq_cst
|
|
ret i64 %res
|
|
}
|
|
|
|
; Check the low end of the LAAG range.
|
|
define i64 @f5(i64 %dummy, ptr %src, i64 %b) {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: laag %r2, %r4, -524288(%r3)
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i64, ptr %src, i64 -65536
|
|
%res = atomicrmw add ptr %ptr, i64 %b seq_cst
|
|
ret i64 %res
|
|
}
|
|
|
|
; Check the next doubleword down, which needs separate address logic.
|
|
define i64 @f6(i64 %dummy, ptr %src, i64 %b) {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK: agfi %r3, -524296
|
|
; CHECK: laag %r2, %r4, 0(%r3)
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i64, ptr %src, i64 -65537
|
|
%res = atomicrmw add ptr %ptr, i64 %b seq_cst
|
|
ret i64 %res
|
|
}
|