================
@@ -0,0 +1,64 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
UTC_ARGS: --check-globals all --version 5
+// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -target-cpu gfx900 -emit-llvm %s
-o - | FileCheck --check-prefix=AMDGCN-GFX900 %s
+// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -target-cpu gfx1010 -emit-llvm %s
-o - | FileCheck --check-prefix=AMDGCN-GFX1010 %s
+// RUN: %clang_cc1 -triple spirv64-amd-amdhsa -emit-llvm %s -o - | FileCheck
--check-prefix=AMDGCNSPIRV %s
+
+// Test that, depending on triple and, if applicable, target-cpu, one of three
+// things happens:
+// 1) for gfx900 we emit an empty kernel (concrete target, lacks feature)
+// 2) for gfx1010 we emit a call to trap (concrete target, has feature)
+// 3) for AMDGCNSPIRV we emit llvm.amdgcn.has.gfx10-insts as a constant
+// externally initialised bool global, and load from it to provide the
+// condition to a br (abstract target)
+
+//.
+// AMDGCNSPIRV: @llvm.amdgcn.has.gfx10-insts = external addrspace(1)
externally_initialized constant i1
+//.
+// AMDGCN-GFX900-LABEL: define dso_local void @foo(
+// AMDGCN-GFX900-SAME: ) #[[ATTR0:[0-9]+]] {
+// AMDGCN-GFX900-NEXT: [[ENTRY:.*:]]
+// AMDGCN-GFX900-NEXT: ret void
+//
+// AMDGCN-GFX1010-LABEL: define dso_local void @foo(
+// AMDGCN-GFX1010-SAME: ) #[[ATTR0:[0-9]+]] {
+// AMDGCN-GFX1010-NEXT: [[ENTRY:.*:]]
+// AMDGCN-GFX1010-NEXT: call void @llvm.trap()
+// AMDGCN-GFX1010-NEXT: ret void
+//
+// AMDGCNSPIRV-LABEL: define spir_func void @foo(
+// AMDGCNSPIRV-SAME: ) addrspace(4) #[[ATTR0:[0-9]+]] {
+// AMDGCNSPIRV-NEXT: [[ENTRY:.*:]]
+// AMDGCNSPIRV-NEXT: [[TMP0:%.*]] = load i1, ptr addrspace(1)
@llvm.amdgcn.has.gfx10-insts, align 1
+// AMDGCNSPIRV-NEXT: [[TOBOOL:%.*]] = icmp ne i1 [[TMP0]], false
+// AMDGCNSPIRV-NEXT: br i1 [[TOBOOL]], label %[[IF_THEN:.*]], label
%[[IF_END:.*]]
+// AMDGCNSPIRV: [[IF_THEN]]:
+// AMDGCNSPIRV-NEXT: call addrspace(4) void @llvm.trap()
+// AMDGCNSPIRV-NEXT: br label %[[IF_END]]
+// AMDGCNSPIRV: [[IF_END]]:
+// AMDGCNSPIRV-NEXT: ret void
+//
+void foo() {
+ if (__builtin_amdgcn_is_invocable(__builtin_amdgcn_permlanex16))
----------------
jhuber6 wrote:
The issue with how the ROCm device libs does it, is that certain builtins
require target features to be used. It hacks around this with the
`__attribute__((target))`. I just want to know that you can call a builtin that
requires `+ddp` features without that.
https://github.com/llvm/llvm-project/pull/134016
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