xref: /llvm-project/llvm/test/CodeGen/SystemZ/atomic-memops-fp128.ll (revision 8b8e1adbdecd5f37ebcaa8d4fdf333962f7a0eb7)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
2; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
3;
4; Test fpext of atomic loads to fp128 without VectorEnhancements1 (using FP register pairs).
5
6define fp128 @f1(ptr %src) {
7; CHECK-LABEL: f1:
8; CHECK:       # %bb.0:
9; CHECK-NEXT:    lxeb %f0, 0(%r3)
10; CHECK-NEXT:    std %f0, 0(%r2)
11; CHECK-NEXT:    std %f2, 8(%r2)
12; CHECK-NEXT:    br %r14
13  %V  = load atomic float, ptr %src seq_cst, align 4
14  %Res = fpext float %V to fp128
15  ret fp128 %Res
16}
17
18define fp128 @f2(ptr %src) {
19; CHECK-LABEL: f2:
20; CHECK:       # %bb.0:
21; CHECK-NEXT:    lxdb %f0, 0(%r3)
22; CHECK-NEXT:    std %f0, 0(%r2)
23; CHECK-NEXT:    std %f2, 8(%r2)
24; CHECK-NEXT:    br %r14
25  %V  = load atomic double, ptr %src seq_cst, align 8
26  %Res = fpext double %V to fp128
27  ret fp128 %Res
28}
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