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.
45 lines
1.1 KiB
LLVM
45 lines
1.1 KiB
LLVM
; Test f128 moves on z14.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
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; VR-to-VR moves. Since f128s are passed by reference,
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; we need to force a copy by other means.
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define void @f1(ptr %x) {
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; CHECK-LABEL: f1:
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; CHECK: vlr
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; CHECK: vleig
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; CHECK: br %r14
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%val = load volatile fp128, ptr %x
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%t1 = bitcast fp128 %val to <2 x i64>
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%t2 = insertelement <2 x i64> %t1, i64 0, i32 0
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%res = bitcast <2 x i64> %t2 to fp128
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store volatile fp128 %res, ptr %x
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store volatile fp128 %val, ptr %x
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ret void
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}
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; Test 128-bit moves from GPRs to VRs. i128 isn't a legitimate type,
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; so this goes through memory.
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define void @f2(ptr %a, ptr %b) {
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; CHECK-LABEL: f2:
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; CHECK: vl
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; CHECK: vst
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; CHECK: br %r14
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%val = load i128, ptr %b
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%res = bitcast i128 %val to fp128
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store fp128 %res, ptr %a
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ret void
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}
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; Test 128-bit moves from VRs to GPRs, with the same restriction as f2.
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define void @f3(ptr %a, ptr %b) {
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; CHECK-LABEL: f3:
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; CHECK: vl
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; CHECK: vst
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%val = load fp128, ptr %a
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%res = bitcast fp128 %val to i128
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store i128 %res, ptr %b
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ret void
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}
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