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 ANDs.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
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; Check ANDs 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: nr %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 and ptr %src, i32 %b seq_cst
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ret i32 %res
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}
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; Check ANDs of 1.
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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: nilf %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 and ptr %src, i32 1 seq_cst
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ret i32 %res
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}
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; Check ANDs of the low end of the NILH range.
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define i32 @f3(i32 %dummy, ptr %src) {
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; CHECK-LABEL: f3:
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; CHECK: nilh %r0, 0
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; CHECK: br %r14
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%res = atomicrmw and ptr %src, i32 65535 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 NILF.
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define i32 @f4(i32 %dummy, ptr %src) {
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; CHECK-LABEL: f4:
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; CHECK: nilf %r0, 65536
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; CHECK: br %r14
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%res = atomicrmw and ptr %src, i32 65536 seq_cst
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ret i32 %res
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}
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; Check the largest useful NILL value.
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define i32 @f5(i32 %dummy, ptr %src) {
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; CHECK-LABEL: f5:
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; CHECK: nill %r0, 65534
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; CHECK: br %r14
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%res = atomicrmw and ptr %src, i32 -2 seq_cst
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ret i32 %res
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}
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; Check the low end of the NILL range.
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define i32 @f6(i32 %dummy, ptr %src) {
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; CHECK-LABEL: f6:
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; CHECK: nill %r0, 0
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; CHECK: br %r14
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%res = atomicrmw and ptr %src, i32 -65536 seq_cst
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ret i32 %res
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}
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; Check the largest useful NILH value, which is one less than the above.
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define i32 @f7(i32 %dummy, ptr %src) {
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; CHECK-LABEL: f7:
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; CHECK: nilh %r0, 65534
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; CHECK: br %r14
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%res = atomicrmw and ptr %src, i32 -65537 seq_cst
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ret i32 %res
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}
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; Check the highest useful NILF value, which is one less than the above.
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define i32 @f8(i32 %dummy, ptr %src) {
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; CHECK-LABEL: f8:
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; CHECK: nilf %r0, 4294901758
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; CHECK: br %r14
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%res = atomicrmw and ptr %src, i32 -65538 seq_cst
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ret i32 %res
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}
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