26 lines
822 B
LLVM
26 lines
822 B
LLVM
; Test long double atomic loads. These are emitted by the Clang FE as i128
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; loads with a bitcast, and this test case gets converted into that form as
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; well by the AtomicExpand pass.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
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define void @f1(ptr %ret, ptr %src) {
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; CHECK-LABEL: f1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: lpq %r0, 0(%r3)
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; CHECK-NEXT: stg %r1, 8(%r2)
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; CHECK-NEXT: stg %r0, 0(%r2)
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; CHECK-NEXT: br %r14
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%val = load atomic fp128, ptr %src seq_cst, align 16
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store fp128 %val, ptr %ret, align 8
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ret void
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}
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define void @f2(ptr %ret, ptr %src) {
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; CHECK-LABEL: f2:
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; CHECK: brasl %r14, __atomic_load@PLT
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%val = load atomic fp128, ptr %src seq_cst, align 8
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store fp128 %val, ptr %ret, align 8
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ret void
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}
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