104 lines
2.6 KiB
LLVM
104 lines
2.6 KiB
LLVM
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; Test vector byte masks, v16i8 version.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
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; Test an all-zeros vector.
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define <16 x i8> @f1() {
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; CHECK-LABEL: f1:
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; CHECK: vgbm %v24, 0
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; CHECK: br %r14
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ret <16 x i8> zeroinitializer
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}
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; Test an all-ones vector.
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define <16 x i8> @f2() {
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; CHECK-LABEL: f2:
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; CHECK: vgbm %v24, 65535
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; CHECK: br %r14
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ret <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1,
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i8 -1, i8 -1, i8 -1, i8 -1,
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i8 -1, i8 -1, i8 -1, i8 -1,
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i8 -1, i8 -1, i8 -1, i8 -1>
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}
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; Test a mixed vector (mask 0x8c75).
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define <16 x i8> @f3() {
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; CHECK-LABEL: f3:
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; CHECK: vgbm %v24, 35957
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; CHECK: br %r14
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ret <16 x i8> <i8 -1, i8 0, i8 0, i8 0,
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i8 -1, i8 -1, i8 0, i8 0,
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i8 0, i8 -1, i8 -1, i8 -1,
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i8 0, i8 -1, i8 0, i8 -1>
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}
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; Test that undefs are treated as zero.
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define <16 x i8> @f4() {
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; CHECK-LABEL: f4:
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; CHECK: vgbm %v24, 35957
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; CHECK: br %r14
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ret <16 x i8> <i8 -1, i8 undef, i8 undef, i8 undef,
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i8 -1, i8 -1, i8 undef, i8 undef,
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i8 undef, i8 -1, i8 -1, i8 -1,
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i8 undef, i8 -1, i8 undef, i8 -1>
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}
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; Test that we don't use VGBM if one of the bytes is not 0 or 0xff.
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define <16 x i8> @f5() {
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; CHECK-LABEL: f5:
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; CHECK-NOT: vgbm
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; CHECK: br %r14
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ret <16 x i8> <i8 -1, i8 0, i8 0, i8 0,
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i8 -1, i8 -1, i8 0, i8 1,
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i8 0, i8 -1, i8 -1, i8 -1,
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i8 0, i8 -1, i8 0, i8 -1>
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}
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; Test an all-zeros v2i8 that gets promoted to v16i8.
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define <2 x i8> @f6() {
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; CHECK-LABEL: f6:
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; CHECK: vgbm %v24, 0
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; CHECK: br %r14
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ret <2 x i8> zeroinitializer
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}
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; Test a mixed v2i8 that gets promoted to v16i8 (mask 0x8000).
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define <2 x i8> @f7() {
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; CHECK-LABEL: f7:
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; CHECK: vgbm %v24, 32768
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; CHECK: br %r14
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ret <2 x i8> <i8 255, i8 0>
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}
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; Test an all-zeros v4i8 that gets promoted to v16i8.
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define <4 x i8> @f8() {
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; CHECK-LABEL: f8:
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; CHECK: vgbm %v24, 0
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; CHECK: br %r14
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ret <4 x i8> zeroinitializer
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}
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; Test a mixed v4i8 that gets promoted to v16i8 (mask 0x9000).
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define <4 x i8> @f9() {
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; CHECK-LABEL: f9:
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; CHECK: vgbm %v24, 36864
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; CHECK: br %r14
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ret <4 x i8> <i8 255, i8 0, i8 0, i8 255>
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}
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; Test an all-zeros v8i8 that gets promoted to v16i8.
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define <8 x i8> @f10() {
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; CHECK-LABEL: f10:
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; CHECK: vgbm %v24, 0
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; CHECK: br %r14
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ret <8 x i8> zeroinitializer
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}
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; Test a mixed v8i8 that gets promoted to v16i8 (mask 0xE500).
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define <8 x i8> @f11() {
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; CHECK-LABEL: f11:
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; CHECK: vgbm %v24, 58624
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; CHECK: br %r14
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ret <8 x i8> <i8 255, i8 255, i8 255, i8 0, i8 0, i8 255, i8 0, i8 255>
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}
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