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.
86 lines
2.0 KiB
LLVM
86 lines
2.0 KiB
LLVM
; Test 32-bit atomic ORs.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
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; Check ORs of a variable.
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define i32 @f1(i32 %dummy, ptr %src, i32 %b) {
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; CHECK-LABEL: f1:
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; CHECK: l %r2, 0(%r3)
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; CHECK: [[LABEL:\.[^ ]*]]:
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; CHECK: lr %r0, %r2
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; CHECK: or %r0, %r4
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; CHECK: cs %r2, %r0, 0(%r3)
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; CHECK: jl [[LABEL]]
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; CHECK: br %r14
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%res = atomicrmw or ptr %src, i32 %b seq_cst
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ret i32 %res
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}
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; Check the lowest useful OILL value.
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define i32 @f2(i32 %dummy, ptr %src) {
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; CHECK-LABEL: f2:
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; CHECK: l %r2, 0(%r3)
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; CHECK: [[LABEL:\.[^ ]*]]:
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; CHECK: lr %r0, %r2
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; CHECK: oill %r0, 1
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; CHECK: cs %r2, %r0, 0(%r3)
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; CHECK: jl [[LABEL]]
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; CHECK: br %r14
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%res = atomicrmw or ptr %src, i32 1 seq_cst
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ret i32 %res
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}
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; Check the high end of the OILL range.
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define i32 @f3(i32 %dummy, ptr %src) {
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; CHECK-LABEL: f3:
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; CHECK: oill %r0, 65535
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; CHECK: br %r14
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%res = atomicrmw or ptr %src, i32 65535 seq_cst
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ret i32 %res
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}
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; Check the lowest useful OILH value, which is the next value up.
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define i32 @f4(i32 %dummy, ptr %src) {
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; CHECK-LABEL: f4:
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; CHECK: oilh %r0, 1
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; CHECK: br %r14
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%res = atomicrmw or ptr %src, i32 65536 seq_cst
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ret i32 %res
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}
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; Check the lowest useful OILF value, which is the next value up.
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define i32 @f5(i32 %dummy, ptr %src) {
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; CHECK-LABEL: f5:
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; CHECK: oilf %r0, 65537
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; CHECK: br %r14
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%res = atomicrmw or ptr %src, i32 65537 seq_cst
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ret i32 %res
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}
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; Check the high end of the OILH range.
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define i32 @f6(i32 %dummy, ptr %src) {
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; CHECK-LABEL: f6:
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; CHECK: oilh %r0, 65535
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; CHECK: br %r14
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%res = atomicrmw or ptr %src, i32 -65536 seq_cst
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ret i32 %res
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}
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; Check the next value up, which must use OILF.
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define i32 @f7(i32 %dummy, ptr %src) {
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; CHECK-LABEL: f7:
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; CHECK: oilf %r0, 4294901761
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; CHECK: br %r14
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%res = atomicrmw or ptr %src, i32 -65535 seq_cst
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ret i32 %res
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}
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; Check the largest useful OILF value.
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define i32 @f8(i32 %dummy, ptr %src) {
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; CHECK-LABEL: f8:
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; CHECK: oilf %r0, 4294967294
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; CHECK: br %r14
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%res = atomicrmw or ptr %src, i32 -2 seq_cst
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ret i32 %res
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}
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