diff options
| author | Nicolai Hähnle <[email protected]> | 2018-05-01 11:06:18 +0200 |
|---|---|---|
| committer | Nicolai Hähnle <[email protected]> | 2018-05-04 11:02:48 +0200 |
| commit | c0acb596f45624e2bc9ba7285e20bc744a532dbe (patch) | |
| tree | d97bd57d7f09fcec4972f264839878e8a7a58786 | |
| parent | b30949a9c253f8ab534f966fbc0dd36fbceb31a7 (diff) | |
amd/common: use llvm.amdgcn.wqm for explicit derivatives
To comply with an upcoming change in LLVM, see
https://reviews.llvm.org/D46051
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
| -rw-r--r-- | src/amd/common/ac_llvm_build.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c index f21a5d2623c..c9b2e36b632 100644 --- a/src/amd/common/ac_llvm_build.c +++ b/src/amd/common/ac_llvm_build.c @@ -1248,6 +1248,13 @@ ac_build_ddxy(struct ac_llvm_context *ctx, tl = LLVMBuildBitCast(ctx->builder, tl, ctx->f32, ""); trbl = LLVMBuildBitCast(ctx->builder, trbl, ctx->f32, ""); result = LLVMBuildFSub(ctx->builder, trbl, tl, ""); + + if (HAVE_LLVM >= 0x0700) { + result = ac_build_intrinsic(ctx, + "llvm.amdgcn.wqm.f32", ctx->f32, + &result, 1, 0); + } + return result; } |