1 files changed, 67 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/WebAssembly/target-features.ll b/llvm/test/CodeGen/WebAssembly/target-features.ll
new file mode 100644
index 00000000000..f262657a56d
--- /dev/null
+++ b/llvm/test/CodeGen/WebAssembly/target-features.ll
@@ -0,0 +1,67 @@
+; RUN: llc < %s | FileCheck %s --check-prefixes CHECK,ATTRS
+; RUN: llc < %s -mattr=+simd128 | FileCheck %s --check-prefixes CHECK,SIMD128
+; RUN; llc < %s -mattr=+atomics | FileCheck %s --check-prefixes CHECK,ATOMICS
+; RUN: llc < %s -mcpu=bleeding-edge | FileCheck %s --check-prefixes CHECK,BLEEDING-EDGE
+
+; Test that codegen emits target features from the command line or
+; function attributes correctly.
+
+target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
+target triple = "wasm32-unknown-unknown"
+
+define void @foo() #0 {
+  ret void
+}
+
+define void @bar() #1 {
+  ret void
+}
+
+attributes #0 = { "target-features"="+sign-ext" }
+attributes #1 = { "target-features"="+nontrapping-fptoint" }
+
+; CHECK-LABEL: .custom_section.target_features,"",@
+
+; -atomics, +sign_ext
+; ATTRS-NEXT: .int8 3
+; ATTRS-NEXT: .int8 45
+; ATTRS-NEXT: .int8 7
+; ATTRS-NEXT: .ascii "atomics"
+; ATTRS-NEXT: .int8 43
+; ATTRS-NEXT: .int8 19
+; ATTRS-NEXT: .ascii "nontrapping-fptoint"
+; ATTRS-NEXT: .int8 43
+; ATTRS-NEXT:  int8 8
+; ATTRS-NEXT: .ascii "sign-ext"
+
+; -atomics, +simd128
+; SIMD128-NEXT: .int8 2
+; SIMD128-NEXT: .int8 45
+; SIMD128-NEXT: .int8 7
+; SIMD128-NEXT: .ascii "atomics"
+; SIMD128-NEXT: .int8 43
+; SIMD128-NEXT: .int8 7
+; SIMD128-NEXT: .ascii "simd128"
+
+; =atomics
+; ATOMICS-NEXT: .int8 1
+; ATOMICS-NEXT: .int8 61
+; ATOMICS-NEXT: .int8 7
+; ATOMICS-NEXT: .ascii "atomics"
+
+; =atomics, +nontrapping-fptoint, +sign-ext, +simd128
+; BLEEDING-EDGE-NEXT: .int8   4
+; BLEEDING-EDGE-NEXT: .int8   61
+; BLEEDING-EDGE-NEXT: .int8   7
+; BLEEDING-EDGE-NEXT: .ascii  "atomics"
+; BLEEDING-EDGE-NEXT: .int8   43
+; BLEEDING-EDGE-NEXT: .int8   19
+; BLEEDING-EDGE-NEXT: .ascii  "nontrapping-fptoint"
+; BLEEDING-EDGE-NEXT: .int8   43
+; BLEEDING-EDGE-NEXT: .int8   8
+; BLEEDING-EDGE-NEXT: .ascii  "sign-ext"
+; BLEEDING-EDGE-NEXT: .int8   43
+; BLEEDING-EDGE-NEXT: .int8   7
+; BLEEDING-EDGE-NEXT: .ascii  "simd128"
+
+; CHECK-NEXT: .text