diff options
| author | Connor Abbott <[email protected]> | 2017-06-05 15:20:04 -0700 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2017-09-08 04:12:42 +0100 |
| commit | bd73b89792eaed7ccdb07f925f7fa70064670c96 (patch) | |
| tree | fe8e17881e3230ea6d96408c9f03280fa061e95d /src/amd/common | |
| parent | ac27fa72941a5f075530c7755215ba0ec63d2c1f (diff) | |
radeonsi: move si_emit_ballot() to ac
Reviewed-by: Nicolai Hähnle <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/amd/common')
| -rw-r--r-- | src/amd/common/ac_llvm_build.c | 26 | ||||
| -rw-r--r-- | src/amd/common/ac_llvm_build.h | 3 |
2 files changed, 29 insertions, 0 deletions
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c index 9045df7a0d9..ab93aa25d24 100644 --- a/src/amd/common/ac_llvm_build.c +++ b/src/amd/common/ac_llvm_build.c @@ -244,6 +244,32 @@ ac_build_optimization_barrier(struct ac_llvm_context *ctx, } LLVMValueRef +ac_build_ballot(struct ac_llvm_context *ctx, + LLVMValueRef value) +{ + LLVMValueRef args[3] = { + value, + ctx->i32_0, + LLVMConstInt(ctx->i32, LLVMIntNE, 0) + }; + + /* We currently have no other way to prevent LLVM from lifting the icmp + * calls to a dominating basic block. + */ + ac_build_optimization_barrier(ctx, &args[0]); + + if (LLVMTypeOf(args[0]) != ctx->i32) + args[0] = LLVMBuildBitCast(ctx->builder, args[0], ctx->i32, ""); + + return ac_build_intrinsic(ctx, + "llvm.amdgcn.icmp.i32", + ctx->i64, args, 3, + AC_FUNC_ATTR_NOUNWIND | + AC_FUNC_ATTR_READNONE | + AC_FUNC_ATTR_CONVERGENT); +} + +LLVMValueRef ac_build_gather_values_extended(struct ac_llvm_context *ctx, LLVMValueRef *values, unsigned value_count, diff --git a/src/amd/common/ac_llvm_build.h b/src/amd/common/ac_llvm_build.h index 4466e2f3057..8369e59f28c 100644 --- a/src/amd/common/ac_llvm_build.h +++ b/src/amd/common/ac_llvm_build.h @@ -77,6 +77,9 @@ void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize); void ac_build_optimization_barrier(struct ac_llvm_context *ctx, LLVMValueRef *pvgpr); + +LLVMValueRef ac_build_ballot(struct ac_llvm_context *ctx, LLVMValueRef value); + LLVMValueRef ac_build_gather_values_extended(struct ac_llvm_context *ctx, LLVMValueRef *values, |