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.
71 lines
1.8 KiB
LLVM
71 lines
1.8 KiB
LLVM
; Test loads of f128 floating-point constants 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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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s -check-prefix=CONST
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; Test loading zero.
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define void @f1(ptr %x) {
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; CHECK-LABEL: f1:
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; CHECK: vzero [[REG:%v[0-9]+]]
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; CHECK: vst [[REG]], 0(%r2)
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; CHECK: br %r14
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store fp128 0xL00000000000000000000000000000000, ptr %x
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ret void
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}
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; Test loading of negative floating-point zero.
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define void @f2(ptr %x) {
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; CHECK-LABEL: f2:
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; CHECK: vzero [[REG:%v[0-9]+]]
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; CHECK: wflnxb [[REG]], [[REG]]
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; CHECK: vst [[REG]], 0(%r2)
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; CHECK: br %r14
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store fp128 0xL00000000000000008000000000000000, ptr %x
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ret void
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}
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; Test loading of a 128-bit floating-point constant. This value would
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; actually fit within the 32-bit format, but we don't have extending
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; loads into vector registers.
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define void @f3(ptr %x) {
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; CHECK-LABEL: f3:
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; CHECK: larl [[REGISTER:%r[1-5]+]], {{.*}}
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; CHECK: vl [[REG:%v[0-9]+]], 0([[REGISTER]])
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; CHECK: vst [[REG]], 0(%r2)
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; CHECK: br %r14
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; CONST: .quad 0x3fff000002000000
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; CONST: .quad 0x0
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store fp128 0xL00000000000000003fff000002000000, ptr %x
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ret void
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}
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; Test that VGBM works.
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define void @f4(ptr %x) {
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; CHECK-LABEL: f4:
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; CHECK: vgbm %v0, 21845
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; CHECK-NEXT: vst %v0, 0(%r2)
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; CHECK-NEXT: br %r14
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store fp128 0xL00ff00ff00ff00ff00ff00ff00ff00ff, ptr %x
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ret void
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}
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; Test that VREPI works.
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define void @f5(ptr %x) {
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; CHECK-LABEL: f5:
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; CHECK: vrepib %v0, -8
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; CHECK-NEXT: vst %v0, 0(%r2)
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; CHECK-NEXT: br %r14
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store fp128 0xLf8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8, ptr %x
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ret void
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}
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; Test that VGM works.
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define void @f6(ptr %x) {
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; CHECK-LABEL: f6:
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; CHECK: vgmg %v0, 12, 31
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; CHECK-NEXT: vst %v0, 0(%r2)
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; CHECK-NEXT: br %r14
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store fp128 0xL000fffff00000000000fffff00000000, ptr %x
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ret void
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}
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