44 lines
1.1 KiB
LLVM
44 lines
1.1 KiB
LLVM
; Test vector byte masks, v2f64 version.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
|
|
|
|
; Test an all-zeros vector.
|
|
define <2 x double> @f1() {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: vgbm %v24, 0
|
|
; CHECK: br %r14
|
|
ret <2 x double> zeroinitializer
|
|
}
|
|
|
|
; Test an all-ones vector.
|
|
define <2 x double> @f2() {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: vgbm %v24, 65535
|
|
; CHECK: br %r14
|
|
ret <2 x double> <double 0xffffffffffffffff, double 0xffffffffffffffff>
|
|
}
|
|
|
|
; Test a mixed vector (mask 0x8c76).
|
|
define <2 x double> @f3() {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: vgbm %v24, 35958
|
|
; CHECK: br %r14
|
|
ret <2 x double> <double 0xff000000ffff0000, double 0x00ffffff00ffff00>
|
|
}
|
|
|
|
; Test that undefs are treated as zero (mask 0x8c00).
|
|
define <2 x double> @f4() {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: vgbm %v24, 35840
|
|
; CHECK: br %r14
|
|
ret <2 x double> <double 0xff000000ffff0000, double undef>
|
|
}
|
|
|
|
; Test that we don't use VGBM if one of the bytes is not 0 or 0xff.
|
|
define <2 x double> @f5() {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK-NOT: vgbm
|
|
; CHECK: br %r14
|
|
ret <2 x double> <double 0xfe000000ffff0000, double 0x00ffffff00ffff00>
|
|
}
|