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+// -----------------------------------------------------------------------------
+// Tests for the hvx features and warnings.
+// -----------------------------------------------------------------------------
+
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv65 -mhvx \
+// RUN: 2>&1 | FileCheck -check-prefix=CHECKHVX165 %s
+// CHECKHVX165: "-target-feature" "+hvxv65"
+
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv62 -mhvx \
+// RUN: 2>&1 | FileCheck -check-prefix=CHECKHVX162 %s
+// CHECKHVX162: "-target-feature" "+hvxv62"
+
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv65 -mhvx \
+// RUN: -mhvx-double 2>&1 | FileCheck -check-prefix=CHECKHVX2 %s
+
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv62 -mhvx \
+// RUN: -mhvx-double 2>&1 | FileCheck -check-prefix=CHECKHVX2 %s
+
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv65 -mhvx \
+// RUN: -mhvx-length=128B 2>&1 | FileCheck -check-prefix=CHECKHVX2 %s
+
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv62 -mhvx \
+// RUN: -mhvx-length=128B 2>&1 | FileCheck -check-prefix=CHECKHVX2 %s
+// CHECKHVX2-NOT: "-target-feature" "+hvx-length64b"
+// CHECKHVX2: "-target-feature" "+hvx-length128b"
+
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv65 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECKHVX3 %s
+
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv62 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECKHVX3 %s
+// CHECKHVX3-NOT: "-target-feature" "+hvx
+
+// -mhvx-double is deprecated.
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv62 -mhvx-double \
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-DEPRECATED %s
+// CHECK-DEPRECATED: warning: argument '-mhvx-double' is deprecated, use '-mhvx-length=128B' instead [-Wdeprecated]
+
+// -mno-hvx-double is deprecated.
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv62 -mno-hvx-double \
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-NODEPRECATED %s
+// CHECK-NODEPRECATED: warning: argument '-mno-hvx-double' is deprecated, use '-mno-hvx' instead [-Wdeprecated]
+
+// No hvx target feature must be added if -mno-hvx/-mno-hvx-double occurs last
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv62 -mno-hvx \
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-NOHVX %s
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv62 -mhvx -mno-hvx \
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-NOHVX %s
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv62 -mhvx -mno-hvx-double \
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-NOHVX %s
+// CHECK-NOHVX-NOT: "-target-feature" "+hvx
+
+// Hvx target feature should be added if -mno-hvx doesnot occur last
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv62 -mno-hvx -mhvx\
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-HVXFEAT %s
+// CHECK-HVXFEAT: "-target-feature" "+hvxv62"
+
+// With -mhvx, the version of hvx defaults to Cpu
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv60 -mhvx \
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-HVX-DEFAULT %s
+// CHECK-HVX-DEFAULT: "-target-feature" "+hvxv60"
+
+// Test -mhvx= flag
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv60 -mhvx=v62 \
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-HVXEQ %s
+// CHECK-HVXEQ: "-target-feature" "+hvxv62"
+
+// Honor the last occured -mhvx=, -mhvx flag.
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv60 -mhvx=v62 -mhvx\
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-HVXEQ-PRE %s
+// CHECK-HVXEQ-PRE-NOT: "-target-feature" "+hvxv62"
+// CHECK-HVXEQ-PRE: "-target-feature" "+hvxv60"
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv60 -mhvx -mhvx=v62\
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-HVXEQ-PRE2 %s
+// CHECK-HVXEQ-PRE2-NOT: "-target-feature" "+hvxv60"
+// CHECK-HVXEQ-PRE2: "-target-feature" "+hvxv62"
+
+// Test -mhvx-length flag
+// The default mode on v60,v62 is 64B.
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv60 -mhvx \
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-HVXLENGTH-64B %s
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv60 -mhvx -mhvx-length=64B\
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-HVXLENGTH-64B %s
+// CHECK-HVXLENGTH-64B: "-target-feature" "+hvx{{.*}}" "-target-feature" "+hvx-length64b"
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mv62 -mhvx -mhvx-length=128B\
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-HVXLENGTH-128B %s
+// CHECK-HVXLENGTH-128B: "-target-feature" "+hvx{{.*}}" "-target-feature" "+hvx-length128b"
+
+// Bail out if -mhvx-length is specified without HVX enabled
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mhvx-length=64B \
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-HVXLENGTH-ERROR %s
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mhvx-length=128B \
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-HVXLENGTH-ERROR %s
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mhvx-double \
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-HVXLENGTH-ERROR %s
+// CHECK-HVXLENGTH-ERROR: error: -mhvx-length is not supported without a -mhvx/-mhvx= flag
+
+// Error out if an unsupported value is passed to -mhvx-length.
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mhvx -mhvx-length=B \
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-HVXLENGTH-VALUE-ERROR %s
+// RUN: %clang -c %s -### -target hexagon-unknown-elf -mhvx -mhvx-length=128 \
+// RUN: 2>&1 | FileCheck -check-prefix=CHECK-HVXLENGTH-VALUE-ERROR %s
+// CHECK-HVXLENGTH-VALUE-ERROR: error: unsupported argument '{{.*}}' to option 'mhvx-length='