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