================
@@ -17,12 +13,62 @@ define amdgpu_kernel void
@kernel_dynamic_stackalloc_vgpr_align4(ptr addrspace(1
ret void
}
+; ERR: remark: <unknown>:0:0: cannot select: %{{[0-9]+}}:sreg_32(p5) =
G_DYN_STACKALLOC %{{[0-9]+}}:vgpr(s32), 1 (in function:
kernel_dynamic_stackalloc_vgpr_default_align)
+; ERR-NEXT: warning: Instruction selection used fallback path for
kernel_dynamic_stackalloc_vgpr_default_align
+; ERR-NEXT: error: <unknown>:0:0: in function
kernel_dynamic_stackalloc_vgpr_default_align void (ptr addrspace(1)):
unsupported dynamic alloca
+
+define amdgpu_kernel void @kernel_dynamic_stackalloc_vgpr_default_align(ptr
addrspace(1) %ptr) {
+ %id = call i32 @llvm.amdgcn.workitem.id.x()
+ %gep = getelementptr i32, ptr addrspace(1) %ptr, i32 %id
+ %n = load i32, ptr addrspace(1) %gep
+ %alloca = alloca i32, i32 %n, addrspace(5)
+ store volatile ptr addrspace(5) %alloca, ptr addrspace(1) undef
+ ret void
+}
+
+; ERR: remark: <unknown>:0:0: cannot select: %{{[0-9]+}}:sreg_32(p5) =
G_DYN_STACKALLOC %{{[0-9]+}}:vgpr(s32), 64 (in function:
kernel_dynamic_stackalloc_vgpr_align64)
+; ERR-NEXT: warning: Instruction selection used fallback path for
kernel_dynamic_stackalloc_vgpr_align64
+; ERR-NEXT: error: <unknown>:0:0: in function
kernel_dynamic_stackalloc_vgpr_align64 void (ptr addrspace(1)): unsupported
dynamic alloca
+
+define amdgpu_kernel void @kernel_dynamic_stackalloc_vgpr_align64(ptr
addrspace(1) %ptr) {
+ %id = call i32 @llvm.amdgcn.workitem.id.x()
+ %gep = getelementptr i32, ptr addrspace(1) %ptr, i32 %id
+ %n = load i32, ptr addrspace(1) %gep
+ %alloca = alloca i32, i32 %n, align 64, addrspace(5)
+ store volatile ptr addrspace(5) %alloca, ptr addrspace(1) undef
+ ret void
+}
+
+; ERR: remark: <unknown>:0:0: cannot select: %{{[0-9]+}}:sreg_32(p5) =
G_DYN_STACKALLOC %{{[0-9]+}}:vgpr(s32), 1 (in function:
func_dynamic_stackalloc_vgpr_align4)
+; ERR-NEXT: warning: Instruction selection used fallback path for
func_dynamic_stackalloc_vgpr_align4
+; ERR-NEXT: error: <unknown>:0:0: in function
func_dynamic_stackalloc_vgpr_align4 void (i32): unsupported dynamic alloca
+
define void @func_dynamic_stackalloc_vgpr_align4(i32 %n) {
%alloca = alloca i32, i32 %n, align 4, addrspace(5)
store volatile ptr addrspace(5) %alloca, ptr addrspace(1) undef
ret void
}
+; ERR: remark: <unknown>:0:0: cannot select: %{{[0-9]+}}:sreg_32(p5) =
G_DYN_STACKALLOC %{{[0-9]+}}:vgpr(s32), 1 (in function:
func_dynamic_stackalloc_vgpr_default_align)
+; ERR-NEXT: warning: Instruction selection used fallback path for
func_dynamic_stackalloc_vgpr_default_align
+; ERR-NEXT: error: <unknown>:0:0: in function
func_dynamic_stackalloc_vgpr_default_align void (i32): unsupported dynamic
alloca
+
+define void @func_dynamic_stackalloc_vgpr_default_align(i32 %n) {
+ %alloca = alloca i32, i32 %n, addrspace(5)
+ store volatile ptr addrspace(5) %alloca, ptr addrspace(1) undef
+ ret void
+}
----------------
easyonaadit wrote:
Yess got it
https://github.com/llvm/llvm-project/pull/120063
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