derek.holloway
7502bf64a4
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80 lines
1.9 KiB
LLVM
80 lines
1.9 KiB
LLVM
; Test vector byte masks, v8i16 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 <8 x i16> @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 <8 x i16> zeroinitializer
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}
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; Test an all-ones vector.
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define <8 x i16> @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 <8 x i16> <i16 -1, i16 -1, i16 -1, i16 -1,
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i16 -1, i16 -1, i16 -1, i16 -1>
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}
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; Test a mixed vector (mask 0x8c76).
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define <8 x i16> @f3() {
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; CHECK-LABEL: f3:
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; CHECK: vgbm %v24, 35958
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; CHECK: br %r14
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ret <8 x i16> <i16 65280, i16 0, i16 65535, i16 0,
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i16 255, i16 65535, i16 255, i16 65280>
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}
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; Test that undefs are treated as zero.
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define <8 x i16> @f4() {
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; CHECK-LABEL: f4:
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; CHECK: vgbm %v24, 35958
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; CHECK: br %r14
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ret <8 x i16> <i16 65280, i16 undef, i16 65535, i16 undef,
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i16 255, i16 65535, i16 255, i16 65280>
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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 <8 x i16> @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 <8 x i16> <i16 65280, i16 0, i16 65535, i16 0,
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i16 255, i16 65535, i16 256, i16 65280>
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}
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; Test an all-zeros v2i16 that gets promoted to v8i16.
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define <2 x i16> @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 i16> zeroinitializer
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}
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; Test a mixed v2i16 that gets promoted to v8i16 (mask 0xc000).
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define <2 x i16> @f7() {
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; CHECK-LABEL: f7:
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; CHECK: vgbm %v24, 49152
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; CHECK: br %r14
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ret <2 x i16> <i16 65535, i16 0>
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}
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; Test an all-zeros v4i16 that gets promoted to v8i16.
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define <4 x i16> @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 i16> zeroinitializer
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}
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; Test a mixed v4i16 that gets promoted to v8i16 (mask 0x7200).
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define <4 x i16> @f9() {
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; CHECK-LABEL: f9:
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; CHECK: vgbm %v24, 29184
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; CHECK: br %r14
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ret <4 x i16> <i16 255, i16 65535, i16 0, i16 65280>
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}
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