1; Test vector byte masks, v2f64 version. 2; 3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s 4 5; Test an all-zeros vector. 6define <2 x double> @f1() { 7; CHECK-LABEL: f1: 8; CHECK: vgbm %v24, 0 9; CHECK: br %r14 10 ret <2 x double> zeroinitializer 11} 12 13; Test an all-ones vector. 14define <2 x double> @f2() { 15; CHECK-LABEL: f2: 16; CHECK: vgbm %v24, 65535 17; CHECK: br %r14 18 ret <2 x double> <double 0xffffffffffffffff, double 0xffffffffffffffff> 19} 20 21; Test a mixed vector (mask 0x8c76). 22define <2 x double> @f3() { 23; CHECK-LABEL: f3: 24; CHECK: vgbm %v24, 35958 25; CHECK: br %r14 26 ret <2 x double> <double 0xff000000ffff0000, double 0x00ffffff00ffff00> 27} 28 29; Test that undefs are treated as zero (mask 0x8c00). 30define <2 x double> @f4() { 31; CHECK-LABEL: f4: 32; CHECK: vgbm %v24, 35840 33; CHECK: br %r14 34 ret <2 x double> <double 0xff000000ffff0000, double undef> 35} 36 37; Test that we don't use VGBM if one of the bytes is not 0 or 0xff. 38define <2 x double> @f5() { 39; CHECK-LABEL: f5: 40; CHECK-NOT: vgbm 41; CHECK: br %r14 42 ret <2 x double> <double 0xfe000000ffff0000, double 0x00ffffff00ffff00> 43} 44