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-rw-r--r--llvm/test/CodeGen/SystemZ/vec-const-06.ll40
1 files changed, 8 insertions, 32 deletions
diff --git a/llvm/test/CodeGen/SystemZ/vec-const-06.ll b/llvm/test/CodeGen/SystemZ/vec-const-06.ll
index be53a0581ec..6144e0f4910 100644
--- a/llvm/test/CodeGen/SystemZ/vec-const-06.ll
+++ b/llvm/test/CodeGen/SystemZ/vec-const-06.ll
@@ -1,43 +1,19 @@
-; Test vector byte masks, v2f64 version.
+; Test vector byte masks, v2f64 version. Only all-zero vectors are handled.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
; Test an all-zeros vector.
-define <2 x double> @f1() {
-; CHECK-LABEL: f1:
+define <2 x double> @f0() {
+; CHECK-LABEL: f0:
; 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
+; Test that undefs are treated as zero.
+define <2 x double> @f1() {
+; CHECK-LABEL: f1:
+; CHECK: vgbm %v24, 0
; CHECK: br %r14
- ret <2 x double> <double 0xfe000000ffff0000, double 0x00ffffff00ffff00>
+ ret <2 x double> <double zeroinitializer, double undef>
}
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