[libc] [clang] [compiler-rt] [clang-tools-extra] [libcxxabi] [libunwind] [lldb] [mlir] [flang] [llvm] [libcxx] [ASan][AMDGPU] Fix Assertion Failure. (PR #78242)

[Matt Arsenault via cfe-commits]

================
@@ -0,0 +1,48 @@
+;RUN: opt < %s -passes=asan -S | FileCheck %s
+
+target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-p7:160:256:256:32-p8:128:128-p9:192:256:256:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5-G1-ni:7:8:9"
+target triple = "amdgcn-amd-amdhsa"
+
+ at __const.__assert_fail.fmt = private unnamed_addr addrspace(4) constant [47 x i8] c"%s:%u: %s: Device-side assertion `%s' failed.\0A\00", align 16
+
+; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
+declare void @llvm.memcpy.p0.p4.i64(ptr noalias nocapture writeonly, ptr addrspace(4) noalias nocapture readonly, i64, i1 immarg) #1
+
+; Function Attrs: convergent mustprogress noinline nounwind optnone
+define weak hidden void @test_mem_intrinsic() sanitize_address #0 {
+; CHECK: define weak hidden void @test_mem_intrinsic() #1 {
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[FMT:%.*]] = alloca [47 x i8], align 16, addrspace(5)
+; CHECK-NEXT: [[FADDRC:%.*]] = addrspacecast ptr addrspace(5) [[FMT]] to ptr
+; CHECK-NEXT: [[ITMP:%.*]] = call ptr @__asan_memcpy(ptr [[FADDRC]], ptr addrspacecast (ptr addrspace(4) @__const.__assert_fail.fmt to ptr), i64 47)
+; CHECK-NEXT: ret
+entry:
+%fmt = alloca [47 x i8], align 16, addrspace(5)
+%fmt.ascast = addrspacecast ptr addrspace(5) %fmt to ptr
+call void @llvm.memcpy.p0.p4.i64(ptr align 16 %fmt.ascast, ptr addrspace(4) align 16 @__const.__assert_fail.fmt, i64 47, i1 false)
+ret void
+}
+
+
+
+attributes #0 = { convergent mustprogress noinline nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="gfx906" "target-features"="+16-bit-insts,+ci-insts,+dl-insts,+dot1-insts,+dot10-insts,+dot2-insts,+dot7-insts,+dpp,+gfx8-insts,+gfx9-insts,+s-memrealtime,+s-memtime-inst,+wavefrontsize64,+xnack" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
+attributes #2 = { convergent nounwind "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="gfx906" "target-features"="+16-bit-insts,+ci-insts,+dl-insts,+dot1-insts,+dot10-insts,+dot2-insts,+dot7-insts,+dpp,+gfx8-insts,+gfx9-insts,+s-memrealtime,+s-memtime-inst,+wavefrontsize64,+xnack" }
+attributes #3 = { cold noreturn nounwind memory(inaccessiblemem: write) }
+attributes #4 = { convergent mustprogress noinline norecurse nounwind optnone "amdgpu-flat-work-group-size"="1,1024" "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="gfx906" "target-features"="+16-bit-insts,+ci-insts,+dl-insts,+dot1-insts,+dot10-insts,+dot2-insts,+dot7-insts,+dpp,+gfx8-insts,+gfx9-insts,+s-memrealtime,+s-memtime-inst,+wavefrontsize64,+xnack" "uniform-work-group-size"="true" }
+attributes #5 = { convergent nounwind }
+
+!llvm.module.flags = !{!0, !1, !2, !3, !4}
+!llvm.ident = !{!5}
+
+!0 = !{i32 1, !"amdgpu_code_object_version", i32 400}
----------------
arsenm wrote:

Don't need most of this metadata or most of the attributes 

https://github.com/llvm/llvm-project/pull/78242