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amd/llvm,aco: Replace VLA with alloca

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MSVC will never support VLA, so use alloca instead.

Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7157>
This commit is contained in:
James Park
2020-08-10 21:00:51 -07:00
committed by Marge Bot
parent e3515590bf
commit 4bd18e772a
6 changed files with 18 additions and 18 deletions
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6
src/amd/llvm/ac_llvm_build.c
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@@ -572,7 +572,7 @@ static LLVMValueRef ac_build_expand(struct ac_llvm_context *ctx, LLVMValueRef va
unsigned src_channels, unsigned dst_channels)
{
LLVMTypeRef elemtype;
LLVMValueRef chan[dst_channels];
LLVMValueRef *const chan = alloca(dst_channels * sizeof(LLVMValueRef));
if (LLVMGetTypeKind(LLVMTypeOf(value)) == LLVMVectorTypeKind) {
unsigned vec_size = LLVMGetVectorSize(LLVMTypeOf(value));
@@ -605,7 +605,7 @@ static LLVMValueRef ac_build_expand(struct ac_llvm_context *ctx, LLVMValueRef va
LLVMValueRef ac_extract_components(struct ac_llvm_context *ctx, LLVMValueRef value, unsigned start,
unsigned channels)
{
LLVMValueRef chan[channels];
LLVMValueRef *const chan = alloca(channels * sizeof(LLVMValueRef));
for (unsigned i = 0; i < channels; i++)
chan[i] = ac_llvm_extract_elem(ctx, value, i + start);
@@ -3216,7 +3216,7 @@ LLVMValueRef ac_trim_vector(struct ac_llvm_context *ctx, LLVMValueRef value, uns
if (count == num_components)
return value;
LLVMValueRef masks[MAX2(count, 2)];
LLVMValueRef *const masks = alloca(MAX2(count, 2) * sizeof(LLVMValueRef));
masks[0] = ctx->i32_0;
masks[1] = ctx->i32_1;
for (unsigned i = 2; i < count; i++)