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